2022-04-30 15:40:12

by Robert Foss

[permalink] [raw]
Subject: [PATCH v1 4/9] clk: qcom: add support for SM8350 GPUCC

From: Jonathan Marek <[email protected]>

The GPUCC manages the clocks for the Adreno GPU found on the
sm8350 SoCs.

Signed-off-by: Robert Foss <[email protected]>
---
drivers/clk/qcom/Kconfig | 8 +
drivers/clk/qcom/Makefile | 1 +
drivers/clk/qcom/gpucc-sm8350.c | 640 ++++++++++++++++++++++++++++++++
3 files changed, 649 insertions(+)
create mode 100644 drivers/clk/qcom/gpucc-sm8350.c

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index e27f37ac2d9c..9b1f54e634b9 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -703,6 +703,14 @@ config SM_GPUCC_8250
Say Y if you want to support graphics controller devices and
functionality such as 3D graphics.

+config SM_GPUCC_8350
+ tristate "SM8350 Graphics Clock Controller"
+ select SM_GCC_8350
+ help
+ Support for the graphics clock controller on SM8350 devices.
+ Say Y if you want to support graphics controller devices and
+ functionality such as 3D graphics.
+
config SM_VIDEOCC_8150
tristate "SM8150 Video Clock Controller"
select SM_GCC_8150
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index dff6aeb980e6..e1b7e49c8da4 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -100,6 +100,7 @@ obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o
+obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
new file mode 100644
index 000000000000..d6098fd5e12f
--- /dev/null
+++ b/drivers/clk/qcom/gpucc-sm8350.c
@@ -0,0 +1,640 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,gpucc-sm8350.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-pll.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "common.h"
+#include "clk-regmap-mux.h"
+#include "clk-regmap-divider.h"
+#include "gdsc.h"
+#include "reset.h"
+
+enum {
+ P_BI_TCXO,
+ P_GPLL0_OUT_MAIN,
+ P_GPLL0_OUT_MAIN_DIV,
+ P_GPU_CC_PLL0_OUT_MAIN,
+ P_GPU_CC_PLL1_OUT_MAIN,
+};
+
+static struct pll_vco lucid_5lpe_vco[] = {
+ { 249600000, 1750000000, 0 },
+};
+
+static const struct alpha_pll_config gpu_cc_pll0_config = {
+ .l = 0x18,
+ .alpha = 0x6000,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00002261,
+ .config_ctl_hi1_val = 0x2A9A699C,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000000,
+ .test_ctl_hi1_val = 0x01800000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000805,
+ .user_ctl_hi1_val = 0x00000000,
+};
+
+static struct clk_alpha_pll gpu_cc_pll0 = {
+ .offset = 0x0,
+ .vco_table = lucid_5lpe_vco,
+ .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_pll0",
+ .parent_data = &(const struct clk_parent_data){
+ .fw_name = "bi_tcxo",
+ .name = "bi_tcxo",
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_5lpe_ops,
+ },
+ },
+};
+
+static const struct alpha_pll_config gpu_cc_pll1_config = {
+ .l = 0x1A,
+ .alpha = 0xAAA,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00002261,
+ .config_ctl_hi1_val = 0x2A9A699C,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000000,
+ .test_ctl_hi1_val = 0x01800000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000805,
+ .user_ctl_hi1_val = 0x00000000,
+};
+
+static struct clk_alpha_pll gpu_cc_pll1 = {
+ .offset = 0x100,
+ .vco_table = lucid_5lpe_vco,
+ .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_pll1",
+ .parent_data = &(const struct clk_parent_data){
+ .fw_name = "bi_tcxo",
+ .name = "bi_tcxo",
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_5lpe_ops,
+ },
+ },
+};
+
+static const struct parent_map gpu_cc_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPU_CC_PLL0_OUT_MAIN, 1 },
+ { P_GPU_CC_PLL1_OUT_MAIN, 3 },
+ { P_GPLL0_OUT_MAIN, 5 },
+ { P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_0[] = {
+ { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
+ { .hw = &gpu_cc_pll0.clkr.hw },
+ { .hw = &gpu_cc_pll1.clkr.hw },
+ { .fw_name = "gcc_gpu_gpll0_clk_src" },
+ { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
+};
+
+static const struct parent_map gpu_cc_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPU_CC_PLL1_OUT_MAIN, 3 },
+ { P_GPLL0_OUT_MAIN, 5 },
+ { P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_1[] = {
+ { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
+ { .hw = &gpu_cc_pll1.clkr.hw },
+ { .fw_name = "gcc_gpu_gpll0_clk_src" },
+ { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0),
+ F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_gmu_clk_src = {
+ .cmd_rcgr = 0x1120,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_0,
+ .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_gmu_clk_src",
+ .parent_data = gpu_cc_parent_data_0,
+ .num_parents = 5,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
+ F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
+ F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
+ F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 gpu_cc_hub_clk_src = {
+ .cmd_rcgr = 0x117c,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = gpu_cc_parent_map_1,
+ .freq_tbl = ftbl_gpu_cc_hub_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_hub_clk_src",
+ .parent_data = gpu_cc_parent_data_1,
+ .num_parents = 4,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
+ .reg = 0x11c0,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "gpu_cc_hub_ahb_div_clk_src",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
+ .reg = 0x11bc,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "gpu_cc_hub_cx_int_div_clk_src",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_branch gpu_cc_ahb_clk = {
+ .halt_reg = 0x1078,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x1078,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_ahb_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cb_clk = {
+ .halt_reg = 0x1170,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1170,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cb_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_crc_ahb_clk = {
+ .halt_reg = 0x107c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x107c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_crc_ahb_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_apb_clk = {
+ .halt_reg = 0x1088,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1088,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_apb_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_gmu_clk = {
+ .halt_reg = 0x1098,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1098,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_gmu_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_gmu_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_qdss_at_clk = {
+ .halt_reg = 0x1080,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1080,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_qdss_at_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_qdss_trig_clk = {
+ .halt_reg = 0x1094,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1094,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_qdss_trig_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = {
+ .halt_reg = 0x1084,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1084,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_qdss_tsctr_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
+ .halt_reg = 0x108c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x108c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cx_snoc_dvm_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cxo_aon_clk = {
+ .halt_reg = 0x1004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cxo_aon_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_cxo_clk = {
+ .halt_reg = 0x109c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x109c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_cxo_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_freq_measure_clk = {
+ .halt_reg = 0x120c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x120c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_freq_measure_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_gmu_clk = {
+ .halt_reg = 0x1064,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1064,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_gx_gmu_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_gmu_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = {
+ .halt_reg = 0x105c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x105c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_gx_qdss_tsctr_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_gx_vsense_clk = {
+ .halt_reg = 0x1058,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1058,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_gx_vsense_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
+ .halt_reg = 0x5000,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x5000,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hub_aon_clk = {
+ .halt_reg = 0x1178,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1178,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_hub_aon_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_hub_cx_int_clk = {
+ .halt_reg = 0x1204,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x1204,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_hub_cx_int_clk",
+ .parent_data = &(const struct clk_parent_data){
+ .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_aon_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
+ .halt_reg = 0x802c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x802c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_mnd1x_0_gfx3d_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
+ .halt_reg = 0x8030,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x8030,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_mnd1x_1_gfx3d_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gpu_cc_sleep_clk = {
+ .halt_reg = 0x1090,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x1090,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gpu_cc_sleep_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct gdsc gpu_cx_gdsc = {
+ .gdscr = 0x106c,
+ .gds_hw_ctrl = 0x1540,
+ .pd = {
+ .name = "gpu_cx_gdsc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc gpu_gx_gdsc = {
+ .gdscr = 0x100c,
+ // sw-reset = 0x1008,
+ // domain-addr = 0x158c,
+ .clamp_io_ctrl = 0x1508, // real?
+ .pd = {
+ .name = "gpu_gx_gdsc",
+ .power_on = gdsc_gx_do_nothing_enable,
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = AON_RESET | POLL_CFG_GDSCR,
+};
+
+static struct clk_regmap *gpu_cc_sm8350_clocks[] = {
+ [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
+ [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
+ [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
+ [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr,
+ [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
+ [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr,
+ [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr,
+ [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr,
+ [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
+ [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
+ [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
+ [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
+ [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
+ [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
+ [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr,
+ [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
+ [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
+ [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
+ [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
+ [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
+ [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
+ [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
+ [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
+ [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
+ [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
+ [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
+ [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
+};
+
+static const struct qcom_reset_map gpu_cc_sm8350_resets[] = {
+ [GPUCC_GPU_CC_ACD_BCR] = { 0x1160 },
+ [GPUCC_GPU_CC_CB_BCR] = { 0x116c },
+ [GPUCC_GPU_CC_CX_BCR] = { 0x1068 },
+ [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x1174 },
+ [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
+ [GPUCC_GPU_CC_GMU_BCR] = { 0x111c },
+ [GPUCC_GPU_CC_GX_BCR] = { 0x1008 },
+ [GPUCC_GPU_CC_XO_BCR] = { 0x1000 },
+};
+
+static struct gdsc *gpu_cc_sm8350_gdscs[] = {
+ [GPU_CX_GDSC] = &gpu_cx_gdsc,
+ [GPU_GX_GDSC] = &gpu_gx_gdsc,
+};
+
+static const struct regmap_config gpu_cc_sm8350_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x8030,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc gpu_cc_sm8350_desc = {
+ .config = &gpu_cc_sm8350_regmap_config,
+ .clks = gpu_cc_sm8350_clocks,
+ .num_clks = ARRAY_SIZE(gpu_cc_sm8350_clocks),
+ .resets = gpu_cc_sm8350_resets,
+ .num_resets = ARRAY_SIZE(gpu_cc_sm8350_resets),
+ .gdscs = gpu_cc_sm8350_gdscs,
+ .num_gdscs = ARRAY_SIZE(gpu_cc_sm8350_gdscs),
+};
+
+static const struct of_device_id gpu_cc_sm8350_match_table[] = {
+ { .compatible = "qcom,sm8350-gpucc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gpu_cc_sm8350_match_table);
+
+static int gpu_cc_sm8350_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+
+ regmap = qcom_cc_map(pdev, &gpu_cc_sm8350_desc);
+ if (IS_ERR(regmap)) {
+ dev_err(&pdev->dev, "Failed to map gpu cc registers\n");
+ return PTR_ERR(regmap);
+ }
+
+ clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
+ clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
+
+ return qcom_cc_really_probe(pdev, &gpu_cc_sm8350_desc, regmap);
+}
+
+static struct platform_driver gpu_cc_sm8350_driver = {
+ .probe = gpu_cc_sm8350_probe,
+ .driver = {
+ .name = "sm8350-gpucc",
+ .of_match_table = gpu_cc_sm8350_match_table,
+ },
+};
+
+static int __init gpu_cc_sm8350_init(void)
+{
+ return platform_driver_register(&gpu_cc_sm8350_driver);
+}
+subsys_initcall(gpu_cc_sm8350_init);
+
+static void __exit gpu_cc_sm8350_exit(void)
+{
+ platform_driver_unregister(&gpu_cc_sm8350_driver);
+}
+module_exit(gpu_cc_sm8350_exit);
+
+MODULE_DESCRIPTION("QTI GPU_CC SM8350 Driver");
+MODULE_LICENSE("GPL v2");
--
2.32.0


2022-05-01 05:23:35

by Dmitry Baryshkov

[permalink] [raw]
Subject: Re: [PATCH v1 4/9] clk: qcom: add support for SM8350 GPUCC

On 29/04/2022 18:12, Robert Foss wrote:
> From: Jonathan Marek <[email protected]>
>
> The GPUCC manages the clocks for the Adreno GPU found on the
> sm8350 SoCs.
>
> Signed-off-by: Robert Foss <[email protected]>
> ---
> drivers/clk/qcom/Kconfig | 8 +
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/gpucc-sm8350.c | 640 ++++++++++++++++++++++++++++++++
> 3 files changed, 649 insertions(+)
> create mode 100644 drivers/clk/qcom/gpucc-sm8350.c
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index e27f37ac2d9c..9b1f54e634b9 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -703,6 +703,14 @@ config SM_GPUCC_8250
> Say Y if you want to support graphics controller devices and
> functionality such as 3D graphics.
>
> +config SM_GPUCC_8350
> + tristate "SM8350 Graphics Clock Controller"
> + select SM_GCC_8350
> + help
> + Support for the graphics clock controller on SM8350 devices.
> + Say Y if you want to support graphics controller devices and
> + functionality such as 3D graphics.
> +
> config SM_VIDEOCC_8150
> tristate "SM8150 Video Clock Controller"
> select SM_GCC_8150
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index dff6aeb980e6..e1b7e49c8da4 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -100,6 +100,7 @@ obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
> obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
> obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
> obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o
> +obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
> obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
> obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
> obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
> diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
> new file mode 100644
> index 000000000000..d6098fd5e12f
> --- /dev/null
> +++ b/drivers/clk/qcom/gpucc-sm8350.c
> @@ -0,0 +1,640 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/err.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/of.h>
> +#include <linux/regmap.h>
> +
> +#include <dt-bindings/clock/qcom,gpucc-sm8350.h>
> +
> +#include "clk-alpha-pll.h"
> +#include "clk-branch.h"
> +#include "clk-pll.h"
> +#include "clk-rcg.h"
> +#include "clk-regmap.h"
> +#include "common.h"
> +#include "clk-regmap-mux.h"
> +#include "clk-regmap-divider.h"
> +#include "gdsc.h"
> +#include "reset.h"
> +
> +enum {
> + P_BI_TCXO,
> + P_GPLL0_OUT_MAIN,
> + P_GPLL0_OUT_MAIN_DIV,
> + P_GPU_CC_PLL0_OUT_MAIN,
> + P_GPU_CC_PLL1_OUT_MAIN,
> +};
> +
> +static struct pll_vco lucid_5lpe_vco[] = {
> + { 249600000, 1750000000, 0 },
> +};
> +
> +static const struct alpha_pll_config gpu_cc_pll0_config = {
> + .l = 0x18,
> + .alpha = 0x6000,
> + .config_ctl_val = 0x20485699,
> + .config_ctl_hi_val = 0x00002261,
> + .config_ctl_hi1_val = 0x2A9A699C,
> + .test_ctl_val = 0x00000000,
> + .test_ctl_hi_val = 0x00000000,
> + .test_ctl_hi1_val = 0x01800000,
> + .user_ctl_val = 0x00000000,
> + .user_ctl_hi_val = 0x00000805,
> + .user_ctl_hi1_val = 0x00000000,
> +};
> +
> +static struct clk_alpha_pll gpu_cc_pll0 = {
> + .offset = 0x0,
> + .vco_table = lucid_5lpe_vco,
> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> + .clkr = {
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_pll0",
> + .parent_data = &(const struct clk_parent_data){
> + .fw_name = "bi_tcxo",
> + .name = "bi_tcxo",

We are introducing new driver without previous non-dts bindings, so
there is no need for .name fields.

> + },
> + .num_parents = 1,
> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> + },
> + },
> +};
> +
> +static const struct alpha_pll_config gpu_cc_pll1_config = {
> + .l = 0x1A,
> + .alpha = 0xAAA,
> + .config_ctl_val = 0x20485699,
> + .config_ctl_hi_val = 0x00002261,
> + .config_ctl_hi1_val = 0x2A9A699C,
> + .test_ctl_val = 0x00000000,
> + .test_ctl_hi_val = 0x00000000,
> + .test_ctl_hi1_val = 0x01800000,
> + .user_ctl_val = 0x00000000,
> + .user_ctl_hi_val = 0x00000805,
> + .user_ctl_hi1_val = 0x00000000,
> +};
> +
> +static struct clk_alpha_pll gpu_cc_pll1 = {
> + .offset = 0x100,
> + .vco_table = lucid_5lpe_vco,
> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> + .clkr = {
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_pll1",
> + .parent_data = &(const struct clk_parent_data){
> + .fw_name = "bi_tcxo",
> + .name = "bi_tcxo",
> + },
> + .num_parents = 1,
> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> + },
> + },
> +};
> +
> +static const struct parent_map gpu_cc_parent_map_0[] = {
> + { P_BI_TCXO, 0 },
> + { P_GPU_CC_PLL0_OUT_MAIN, 1 },
> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> + { P_GPLL0_OUT_MAIN, 5 },
> + { P_GPLL0_OUT_MAIN_DIV, 6 },
> +};
> +
> +static const struct clk_parent_data gpu_cc_parent_data_0[] = {
> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> + { .hw = &gpu_cc_pll0.clkr.hw },
> + { .hw = &gpu_cc_pll1.clkr.hw },
> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> +};
> +
> +static const struct parent_map gpu_cc_parent_map_1[] = {
> + { P_BI_TCXO, 0 },
> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> + { P_GPLL0_OUT_MAIN, 5 },
> + { P_GPLL0_OUT_MAIN_DIV, 6 },
> +};
> +
> +static const struct clk_parent_data gpu_cc_parent_data_1[] = {
> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> + { .hw = &gpu_cc_pll1.clkr.hw },
> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> +};
> +
> +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
> + F(19200000, P_BI_TCXO, 1, 0, 0),
> + F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0),
> + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 gpu_cc_gmu_clk_src = {
> + .cmd_rcgr = 0x1120,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = gpu_cc_parent_map_0,
> + .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_gmu_clk_src",
> + .parent_data = gpu_cc_parent_data_0,
> + .num_parents = 5,

Could you please use ARRAY_SIZE()

> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
> + F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
> + F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
> + F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 gpu_cc_hub_clk_src = {
> + .cmd_rcgr = 0x117c,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = gpu_cc_parent_map_1,
> + .freq_tbl = ftbl_gpu_cc_hub_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_hub_clk_src",
> + .parent_data = gpu_cc_parent_data_1,
> + .num_parents = 4,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
> + .reg = 0x11c0,
> + .shift = 0,
> + .width = 4,
> + .clkr.hw.init = &(struct clk_init_data) {
> + .name = "gpu_cc_hub_ahb_div_clk_src",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_regmap_div_ro_ops,
> + },
> +};
> +
> +static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
> + .reg = 0x11bc,
> + .shift = 0,
> + .width = 4,
> + .clkr.hw.init = &(struct clk_init_data) {
> + .name = "gpu_cc_hub_cx_int_div_clk_src",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_regmap_div_ro_ops,
> + },
> +};
> +
> +static struct clk_branch gpu_cc_ahb_clk = {
> + .halt_reg = 0x1078,
> + .halt_check = BRANCH_HALT_DELAY,
> + .clkr = {
> + .enable_reg = 0x1078,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_ahb_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cb_clk = {
> + .halt_reg = 0x1170,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x1170,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cb_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_crc_ahb_clk = {
> + .halt_reg = 0x107c,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x107c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_crc_ahb_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_apb_clk = {
> + .halt_reg = 0x1088,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1088,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_apb_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_gmu_clk = {
> + .halt_reg = 0x1098,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x1098,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_gmu_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_aon_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_qdss_at_clk = {
> + .halt_reg = 0x1080,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1080,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_qdss_at_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_qdss_trig_clk = {
> + .halt_reg = 0x1094,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1094,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_qdss_trig_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = {
> + .halt_reg = 0x1084,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1084,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_qdss_tsctr_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
> + .halt_reg = 0x108c,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x108c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cx_snoc_dvm_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cxo_aon_clk = {
> + .halt_reg = 0x1004,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1004,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cxo_aon_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_cxo_clk = {
> + .halt_reg = 0x109c,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x109c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_cxo_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_freq_measure_clk = {
> + .halt_reg = 0x120c,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x120c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_freq_measure_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_gx_gmu_clk = {
> + .halt_reg = 0x1064,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x1064,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_gx_gmu_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = {
> + .halt_reg = 0x105c,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x105c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_gx_qdss_tsctr_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_gx_vsense_clk = {
> + .halt_reg = 0x1058,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1058,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_gx_vsense_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
> + .halt_reg = 0x5000,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x5000,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_hub_aon_clk = {
> + .halt_reg = 0x1178,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x1178,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_hub_aon_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_aon_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_hub_cx_int_clk = {
> + .halt_reg = 0x1204,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x1204,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_hub_cx_int_clk",
> + .parent_data = &(const struct clk_parent_data){
> + .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_branch2_aon_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
> + .halt_reg = 0x802c,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x802c,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_mnd1x_0_gfx3d_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
> + .halt_reg = 0x8030,
> + .halt_check = BRANCH_HALT,
> + .clkr = {
> + .enable_reg = 0x8030,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_mnd1x_1_gfx3d_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch gpu_cc_sleep_clk = {
> + .halt_reg = 0x1090,
> + .halt_check = BRANCH_HALT_VOTED,
> + .clkr = {
> + .enable_reg = 0x1090,
> + .enable_mask = BIT(0),
> + .hw.init = &(struct clk_init_data){
> + .name = "gpu_cc_sleep_clk",
> + .ops = &clk_branch2_ops,
> + },
> + },
> +};
> +
> +static struct gdsc gpu_cx_gdsc = {
> + .gdscr = 0x106c,
> + .gds_hw_ctrl = 0x1540,
> + .pd = {
> + .name = "gpu_cx_gdsc",
> + },
> + .pwrsts = PWRSTS_OFF_ON,
> + .flags = VOTABLE,
> +};
> +
> +static struct gdsc gpu_gx_gdsc = {
> + .gdscr = 0x100c,
> + // sw-reset = 0x1008,
> + // domain-addr = 0x158c,
> + .clamp_io_ctrl = 0x1508, // real?

Should this be fixed or removed?

> + .pd = {
> + .name = "gpu_gx_gdsc",
> + .power_on = gdsc_gx_do_nothing_enable,
> + },
> + .pwrsts = PWRSTS_OFF_ON,
> + .flags = AON_RESET | POLL_CFG_GDSCR,

Comparing this with other gpucc drivers, don't we need CLAMP_IO here?

> +};
> +
> +static struct clk_regmap *gpu_cc_sm8350_clocks[] = {
> + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
> + [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
> + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
> + [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr,
> + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
> + [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr,
> + [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr,
> + [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr,
> + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
> + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
> + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
> + [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
> + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
> + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
> + [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr,
> + [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
> + [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
> + [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
> + [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
> + [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
> + [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
> + [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
> + [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
> + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
> + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
> + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
> + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
> +};
> +
> +static const struct qcom_reset_map gpu_cc_sm8350_resets[] = {
> + [GPUCC_GPU_CC_ACD_BCR] = { 0x1160 },
> + [GPUCC_GPU_CC_CB_BCR] = { 0x116c },
> + [GPUCC_GPU_CC_CX_BCR] = { 0x1068 },
> + [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x1174 },
> + [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
> + [GPUCC_GPU_CC_GMU_BCR] = { 0x111c },
> + [GPUCC_GPU_CC_GX_BCR] = { 0x1008 },
> + [GPUCC_GPU_CC_XO_BCR] = { 0x1000 },
> +};
> +
> +static struct gdsc *gpu_cc_sm8350_gdscs[] = {
> + [GPU_CX_GDSC] = &gpu_cx_gdsc,
> + [GPU_GX_GDSC] = &gpu_gx_gdsc,
> +};
> +
> +static const struct regmap_config gpu_cc_sm8350_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> + .max_register = 0x8030,
> + .fast_io = true,
> +};
> +
> +static const struct qcom_cc_desc gpu_cc_sm8350_desc = {
> + .config = &gpu_cc_sm8350_regmap_config,
> + .clks = gpu_cc_sm8350_clocks,
> + .num_clks = ARRAY_SIZE(gpu_cc_sm8350_clocks),
> + .resets = gpu_cc_sm8350_resets,
> + .num_resets = ARRAY_SIZE(gpu_cc_sm8350_resets),
> + .gdscs = gpu_cc_sm8350_gdscs,
> + .num_gdscs = ARRAY_SIZE(gpu_cc_sm8350_gdscs),
> +};
> +
> +static const struct of_device_id gpu_cc_sm8350_match_table[] = {
> + { .compatible = "qcom,sm8350-gpucc" },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, gpu_cc_sm8350_match_table);
> +
> +static int gpu_cc_sm8350_probe(struct platform_device *pdev)
> +{
> + struct regmap *regmap;
> +
> + regmap = qcom_cc_map(pdev, &gpu_cc_sm8350_desc);
> + if (IS_ERR(regmap)) {
> + dev_err(&pdev->dev, "Failed to map gpu cc registers\n");
> + return PTR_ERR(regmap);
> + }
> +
> + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
> + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
> +
> + return qcom_cc_really_probe(pdev, &gpu_cc_sm8350_desc, regmap);
> +}
> +
> +static struct platform_driver gpu_cc_sm8350_driver = {
> + .probe = gpu_cc_sm8350_probe,
> + .driver = {
> + .name = "sm8350-gpucc",
> + .of_match_table = gpu_cc_sm8350_match_table,
> + },
> +};
> +
> +static int __init gpu_cc_sm8350_init(void)
> +{
> + return platform_driver_register(&gpu_cc_sm8350_driver);
> +}
> +subsys_initcall(gpu_cc_sm8350_init);
> +
> +static void __exit gpu_cc_sm8350_exit(void)
> +{
> + platform_driver_unregister(&gpu_cc_sm8350_driver);
> +}
> +module_exit(gpu_cc_sm8350_exit);
> +
> +MODULE_DESCRIPTION("QTI GPU_CC SM8350 Driver");
> +MODULE_LICENSE("GPL v2");


--
With best wishes
Dmitry

2022-05-02 16:14:08

by Robert Foss

[permalink] [raw]
Subject: Re: [PATCH v1 4/9] clk: qcom: add support for SM8350 GPUCC

On Fri, 29 Apr 2022 at 17:31, Dmitry Baryshkov
<[email protected]> wrote:
>
> On 29/04/2022 18:12, Robert Foss wrote:
> > From: Jonathan Marek <[email protected]>
> >
> > The GPUCC manages the clocks for the Adreno GPU found on the
> > sm8350 SoCs.
> >
> > Signed-off-by: Robert Foss <[email protected]>
> > ---
> > drivers/clk/qcom/Kconfig | 8 +
> > drivers/clk/qcom/Makefile | 1 +
> > drivers/clk/qcom/gpucc-sm8350.c | 640 ++++++++++++++++++++++++++++++++
> > 3 files changed, 649 insertions(+)
> > create mode 100644 drivers/clk/qcom/gpucc-sm8350.c
> >
> > diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> > index e27f37ac2d9c..9b1f54e634b9 100644
> > --- a/drivers/clk/qcom/Kconfig
> > +++ b/drivers/clk/qcom/Kconfig
> > @@ -703,6 +703,14 @@ config SM_GPUCC_8250
> > Say Y if you want to support graphics controller devices and
> > functionality such as 3D graphics.
> >
> > +config SM_GPUCC_8350
> > + tristate "SM8350 Graphics Clock Controller"
> > + select SM_GCC_8350
> > + help
> > + Support for the graphics clock controller on SM8350 devices.
> > + Say Y if you want to support graphics controller devices and
> > + functionality such as 3D graphics.
> > +
> > config SM_VIDEOCC_8150
> > tristate "SM8150 Video Clock Controller"
> > select SM_GCC_8150
> > diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> > index dff6aeb980e6..e1b7e49c8da4 100644
> > --- a/drivers/clk/qcom/Makefile
> > +++ b/drivers/clk/qcom/Makefile
> > @@ -100,6 +100,7 @@ obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
> > obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
> > obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
> > obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o
> > +obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
> > obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
> > obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
> > obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
> > diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
> > new file mode 100644
> > index 000000000000..d6098fd5e12f
> > --- /dev/null
> > +++ b/drivers/clk/qcom/gpucc-sm8350.c
> > @@ -0,0 +1,640 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +/*
> > + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
> > + */
> > +
> > +#include <linux/clk.h>
> > +#include <linux/err.h>
> > +#include <linux/kernel.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/of.h>
> > +#include <linux/regmap.h>
> > +
> > +#include <dt-bindings/clock/qcom,gpucc-sm8350.h>
> > +
> > +#include "clk-alpha-pll.h"
> > +#include "clk-branch.h"
> > +#include "clk-pll.h"
> > +#include "clk-rcg.h"
> > +#include "clk-regmap.h"
> > +#include "common.h"
> > +#include "clk-regmap-mux.h"
> > +#include "clk-regmap-divider.h"
> > +#include "gdsc.h"
> > +#include "reset.h"
> > +
> > +enum {
> > + P_BI_TCXO,
> > + P_GPLL0_OUT_MAIN,
> > + P_GPLL0_OUT_MAIN_DIV,
> > + P_GPU_CC_PLL0_OUT_MAIN,
> > + P_GPU_CC_PLL1_OUT_MAIN,
> > +};
> > +
> > +static struct pll_vco lucid_5lpe_vco[] = {
> > + { 249600000, 1750000000, 0 },
> > +};
> > +
> > +static const struct alpha_pll_config gpu_cc_pll0_config = {
> > + .l = 0x18,
> > + .alpha = 0x6000,
> > + .config_ctl_val = 0x20485699,
> > + .config_ctl_hi_val = 0x00002261,
> > + .config_ctl_hi1_val = 0x2A9A699C,
> > + .test_ctl_val = 0x00000000,
> > + .test_ctl_hi_val = 0x00000000,
> > + .test_ctl_hi1_val = 0x01800000,
> > + .user_ctl_val = 0x00000000,
> > + .user_ctl_hi_val = 0x00000805,
> > + .user_ctl_hi1_val = 0x00000000,
> > +};
> > +
> > +static struct clk_alpha_pll gpu_cc_pll0 = {
> > + .offset = 0x0,
> > + .vco_table = lucid_5lpe_vco,
> > + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> > + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> > + .clkr = {
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_pll0",
> > + .parent_data = &(const struct clk_parent_data){
> > + .fw_name = "bi_tcxo",
> > + .name = "bi_tcxo",
>
> We are introducing new driver without previous non-dts bindings, so
> there is no need for .name fields.

Just to be clear, the '.name' field should only be removed for clk_parent_data?


>
> > + },
> > + .num_parents = 1,
> > + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> > + },
> > + },
> > +};
> > +
> > +static const struct alpha_pll_config gpu_cc_pll1_config = {
> > + .l = 0x1A,
> > + .alpha = 0xAAA,
> > + .config_ctl_val = 0x20485699,
> > + .config_ctl_hi_val = 0x00002261,
> > + .config_ctl_hi1_val = 0x2A9A699C,
> > + .test_ctl_val = 0x00000000,
> > + .test_ctl_hi_val = 0x00000000,
> > + .test_ctl_hi1_val = 0x01800000,
> > + .user_ctl_val = 0x00000000,
> > + .user_ctl_hi_val = 0x00000805,
> > + .user_ctl_hi1_val = 0x00000000,
> > +};
> > +
> > +static struct clk_alpha_pll gpu_cc_pll1 = {
> > + .offset = 0x100,
> > + .vco_table = lucid_5lpe_vco,
> > + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> > + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> > + .clkr = {
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_pll1",
> > + .parent_data = &(const struct clk_parent_data){
> > + .fw_name = "bi_tcxo",
> > + .name = "bi_tcxo",
> > + },
> > + .num_parents = 1,
> > + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> > + },
> > + },
> > +};
> > +
> > +static const struct parent_map gpu_cc_parent_map_0[] = {
> > + { P_BI_TCXO, 0 },
> > + { P_GPU_CC_PLL0_OUT_MAIN, 1 },
> > + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> > + { P_GPLL0_OUT_MAIN, 5 },
> > + { P_GPLL0_OUT_MAIN_DIV, 6 },
> > +};
> > +
> > +static const struct clk_parent_data gpu_cc_parent_data_0[] = {
> > + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> > + { .hw = &gpu_cc_pll0.clkr.hw },
> > + { .hw = &gpu_cc_pll1.clkr.hw },
> > + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> > + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> > +};
> > +
> > +static const struct parent_map gpu_cc_parent_map_1[] = {
> > + { P_BI_TCXO, 0 },
> > + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> > + { P_GPLL0_OUT_MAIN, 5 },
> > + { P_GPLL0_OUT_MAIN_DIV, 6 },
> > +};
> > +
> > +static const struct clk_parent_data gpu_cc_parent_data_1[] = {
> > + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> > + { .hw = &gpu_cc_pll1.clkr.hw },
> > + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> > + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> > +};
> > +
> > +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
> > + F(19200000, P_BI_TCXO, 1, 0, 0),
> > + F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0),
> > + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0),
> > + { }
> > +};
> > +
> > +static struct clk_rcg2 gpu_cc_gmu_clk_src = {
> > + .cmd_rcgr = 0x1120,
> > + .mnd_width = 0,
> > + .hid_width = 5,
> > + .parent_map = gpu_cc_parent_map_0,
> > + .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
> > + .clkr.hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_gmu_clk_src",
> > + .parent_data = gpu_cc_parent_data_0,
> > + .num_parents = 5,
>
> Could you please use ARRAY_SIZE()

Ack.

>
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_rcg2_ops,
> > + },
> > +};
> > +
> > +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
> > + F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
> > + F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
> > + F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
> > + { }
> > +};
> > +
> > +static struct clk_rcg2 gpu_cc_hub_clk_src = {
> > + .cmd_rcgr = 0x117c,
> > + .mnd_width = 0,
> > + .hid_width = 5,
> > + .parent_map = gpu_cc_parent_map_1,
> > + .freq_tbl = ftbl_gpu_cc_hub_clk_src,
> > + .clkr.hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_hub_clk_src",
> > + .parent_data = gpu_cc_parent_data_1,
> > + .num_parents = 4,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_rcg2_ops,
> > + },
> > +};
> > +
> > +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
> > + .reg = 0x11c0,
> > + .shift = 0,
> > + .width = 4,
> > + .clkr.hw.init = &(struct clk_init_data) {
> > + .name = "gpu_cc_hub_ahb_div_clk_src",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_regmap_div_ro_ops,
> > + },
> > +};
> > +
> > +static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
> > + .reg = 0x11bc,
> > + .shift = 0,
> > + .width = 4,
> > + .clkr.hw.init = &(struct clk_init_data) {
> > + .name = "gpu_cc_hub_cx_int_div_clk_src",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_regmap_div_ro_ops,
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_ahb_clk = {
> > + .halt_reg = 0x1078,
> > + .halt_check = BRANCH_HALT_DELAY,
> > + .clkr = {
> > + .enable_reg = 0x1078,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_ahb_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cb_clk = {
> > + .halt_reg = 0x1170,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x1170,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cb_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_crc_ahb_clk = {
> > + .halt_reg = 0x107c,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x107c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_crc_ahb_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_apb_clk = {
> > + .halt_reg = 0x1088,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1088,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_apb_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_gmu_clk = {
> > + .halt_reg = 0x1098,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x1098,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_gmu_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_aon_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_qdss_at_clk = {
> > + .halt_reg = 0x1080,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1080,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_qdss_at_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_qdss_trig_clk = {
> > + .halt_reg = 0x1094,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1094,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_qdss_trig_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = {
> > + .halt_reg = 0x1084,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1084,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_qdss_tsctr_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
> > + .halt_reg = 0x108c,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x108c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cx_snoc_dvm_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cxo_aon_clk = {
> > + .halt_reg = 0x1004,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1004,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cxo_aon_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_cxo_clk = {
> > + .halt_reg = 0x109c,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x109c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_cxo_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_freq_measure_clk = {
> > + .halt_reg = 0x120c,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x120c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_freq_measure_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_gx_gmu_clk = {
> > + .halt_reg = 0x1064,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x1064,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_gx_gmu_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = {
> > + .halt_reg = 0x105c,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x105c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_gx_qdss_tsctr_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_gx_vsense_clk = {
> > + .halt_reg = 0x1058,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1058,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_gx_vsense_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
> > + .halt_reg = 0x5000,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x5000,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_hub_aon_clk = {
> > + .halt_reg = 0x1178,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x1178,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_hub_aon_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_aon_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_hub_cx_int_clk = {
> > + .halt_reg = 0x1204,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x1204,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_hub_cx_int_clk",
> > + .parent_data = &(const struct clk_parent_data){
> > + .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_aon_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
> > + .halt_reg = 0x802c,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x802c,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_mnd1x_0_gfx3d_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
> > + .halt_reg = 0x8030,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x8030,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_mnd1x_1_gfx3d_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct clk_branch gpu_cc_sleep_clk = {
> > + .halt_reg = 0x1090,
> > + .halt_check = BRANCH_HALT_VOTED,
> > + .clkr = {
> > + .enable_reg = 0x1090,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gpu_cc_sleep_clk",
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > +static struct gdsc gpu_cx_gdsc = {
> > + .gdscr = 0x106c,
> > + .gds_hw_ctrl = 0x1540,
> > + .pd = {
> > + .name = "gpu_cx_gdsc",
> > + },
> > + .pwrsts = PWRSTS_OFF_ON,
> > + .flags = VOTABLE,
> > +};
> > +
> > +static struct gdsc gpu_gx_gdsc = {
> > + .gdscr = 0x100c,
> > + // sw-reset = 0x1008,
> > + // domain-addr = 0x158c,
> > + .clamp_io_ctrl = 0x1508, // real?
>
> Should this be fixed or removed?

Looking at downstream & sm8250, I think this should be removed.

>
> > + .pd = {
> > + .name = "gpu_gx_gdsc",
> > + .power_on = gdsc_gx_do_nothing_enable,
> > + },
> > + .pwrsts = PWRSTS_OFF_ON,
> > + .flags = AON_RESET | POLL_CFG_GDSCR,
>
> Comparing this with other gpucc drivers, don't we need CLAMP_IO here?

Agreed.

>
> > +};
> > +
> > +static struct clk_regmap *gpu_cc_sm8350_clocks[] = {
> > + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
> > + [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
> > + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
> > + [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr,
> > + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
> > + [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr,
> > + [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr,
> > + [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr,
> > + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
> > + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
> > + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
> > + [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
> > + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
> > + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
> > + [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr,
> > + [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
> > + [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
> > + [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
> > + [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
> > + [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
> > + [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
> > + [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
> > + [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
> > + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
> > + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
> > + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
> > + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
> > +};
> > +
> > +static const struct qcom_reset_map gpu_cc_sm8350_resets[] = {
> > + [GPUCC_GPU_CC_ACD_BCR] = { 0x1160 },
> > + [GPUCC_GPU_CC_CB_BCR] = { 0x116c },
> > + [GPUCC_GPU_CC_CX_BCR] = { 0x1068 },
> > + [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x1174 },
> > + [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
> > + [GPUCC_GPU_CC_GMU_BCR] = { 0x111c },
> > + [GPUCC_GPU_CC_GX_BCR] = { 0x1008 },
> > + [GPUCC_GPU_CC_XO_BCR] = { 0x1000 },
> > +};
> > +
> > +static struct gdsc *gpu_cc_sm8350_gdscs[] = {
> > + [GPU_CX_GDSC] = &gpu_cx_gdsc,
> > + [GPU_GX_GDSC] = &gpu_gx_gdsc,
> > +};
> > +
> > +static const struct regmap_config gpu_cc_sm8350_regmap_config = {
> > + .reg_bits = 32,
> > + .reg_stride = 4,
> > + .val_bits = 32,
> > + .max_register = 0x8030,
> > + .fast_io = true,
> > +};
> > +
> > +static const struct qcom_cc_desc gpu_cc_sm8350_desc = {
> > + .config = &gpu_cc_sm8350_regmap_config,
> > + .clks = gpu_cc_sm8350_clocks,
> > + .num_clks = ARRAY_SIZE(gpu_cc_sm8350_clocks),
> > + .resets = gpu_cc_sm8350_resets,
> > + .num_resets = ARRAY_SIZE(gpu_cc_sm8350_resets),
> > + .gdscs = gpu_cc_sm8350_gdscs,
> > + .num_gdscs = ARRAY_SIZE(gpu_cc_sm8350_gdscs),
> > +};
> > +
> > +static const struct of_device_id gpu_cc_sm8350_match_table[] = {
> > + { .compatible = "qcom,sm8350-gpucc" },
> > + { }
> > +};
> > +MODULE_DEVICE_TABLE(of, gpu_cc_sm8350_match_table);
> > +
> > +static int gpu_cc_sm8350_probe(struct platform_device *pdev)
> > +{
> > + struct regmap *regmap;
> > +
> > + regmap = qcom_cc_map(pdev, &gpu_cc_sm8350_desc);
> > + if (IS_ERR(regmap)) {
> > + dev_err(&pdev->dev, "Failed to map gpu cc registers\n");
> > + return PTR_ERR(regmap);
> > + }
> > +
> > + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
> > + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
> > +
> > + return qcom_cc_really_probe(pdev, &gpu_cc_sm8350_desc, regmap);
> > +}
> > +
> > +static struct platform_driver gpu_cc_sm8350_driver = {
> > + .probe = gpu_cc_sm8350_probe,
> > + .driver = {
> > + .name = "sm8350-gpucc",
> > + .of_match_table = gpu_cc_sm8350_match_table,
> > + },
> > +};
> > +
> > +static int __init gpu_cc_sm8350_init(void)
> > +{
> > + return platform_driver_register(&gpu_cc_sm8350_driver);
> > +}
> > +subsys_initcall(gpu_cc_sm8350_init);
> > +
> > +static void __exit gpu_cc_sm8350_exit(void)
> > +{
> > + platform_driver_unregister(&gpu_cc_sm8350_driver);
> > +}
> > +module_exit(gpu_cc_sm8350_exit);
> > +
> > +MODULE_DESCRIPTION("QTI GPU_CC SM8350 Driver");
> > +MODULE_LICENSE("GPL v2");
>
>
> --
> With best wishes
> Dmitry

2022-05-02 23:40:05

by Dmitry Baryshkov

[permalink] [raw]
Subject: Re: [PATCH v1 4/9] clk: qcom: add support for SM8350 GPUCC

On 02/05/2022 16:50, Robert Foss wrote:
> On Fri, 29 Apr 2022 at 17:31, Dmitry Baryshkov
> <[email protected]> wrote:
>>
>> On 29/04/2022 18:12, Robert Foss wrote:
>>> From: Jonathan Marek <[email protected]>
>>>
>>> The GPUCC manages the clocks for the Adreno GPU found on the
>>> sm8350 SoCs.
>>>
>>> Signed-off-by: Robert Foss <[email protected]>
>>> ---
>>> drivers/clk/qcom/Kconfig | 8 +
>>> drivers/clk/qcom/Makefile | 1 +
>>> drivers/clk/qcom/gpucc-sm8350.c | 640 ++++++++++++++++++++++++++++++++
>>> 3 files changed, 649 insertions(+)
>>> create mode 100644 drivers/clk/qcom/gpucc-sm8350.c
>>>
>>> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
>>> index e27f37ac2d9c..9b1f54e634b9 100644
>>> --- a/drivers/clk/qcom/Kconfig
>>> +++ b/drivers/clk/qcom/Kconfig
>>> @@ -703,6 +703,14 @@ config SM_GPUCC_8250
>>> Say Y if you want to support graphics controller devices and
>>> functionality such as 3D graphics.
>>>
>>> +config SM_GPUCC_8350
>>> + tristate "SM8350 Graphics Clock Controller"
>>> + select SM_GCC_8350
>>> + help
>>> + Support for the graphics clock controller on SM8350 devices.
>>> + Say Y if you want to support graphics controller devices and
>>> + functionality such as 3D graphics.
>>> +
>>> config SM_VIDEOCC_8150
>>> tristate "SM8150 Video Clock Controller"
>>> select SM_GCC_8150
>>> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
>>> index dff6aeb980e6..e1b7e49c8da4 100644
>>> --- a/drivers/clk/qcom/Makefile
>>> +++ b/drivers/clk/qcom/Makefile
>>> @@ -100,6 +100,7 @@ obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
>>> obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
>>> obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
>>> obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o
>>> +obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
>>> obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
>>> obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
>>> obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
>>> diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
>>> new file mode 100644
>>> index 000000000000..d6098fd5e12f
>>> --- /dev/null
>>> +++ b/drivers/clk/qcom/gpucc-sm8350.c
>>> @@ -0,0 +1,640 @@
>>> +// SPDX-License-Identifier: GPL-2.0-only
>>> +/*
>>> + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
>>> + */
>>> +
>>> +#include <linux/clk.h>
>>> +#include <linux/err.h>
>>> +#include <linux/kernel.h>
>>> +#include <linux/module.h>
>>> +#include <linux/of_device.h>
>>> +#include <linux/of.h>
>>> +#include <linux/regmap.h>
>>> +
>>> +#include <dt-bindings/clock/qcom,gpucc-sm8350.h>
>>> +
>>> +#include "clk-alpha-pll.h"
>>> +#include "clk-branch.h"
>>> +#include "clk-pll.h"
>>> +#include "clk-rcg.h"
>>> +#include "clk-regmap.h"
>>> +#include "common.h"
>>> +#include "clk-regmap-mux.h"
>>> +#include "clk-regmap-divider.h"
>>> +#include "gdsc.h"
>>> +#include "reset.h"
>>> +
>>> +enum {
>>> + P_BI_TCXO,
>>> + P_GPLL0_OUT_MAIN,
>>> + P_GPLL0_OUT_MAIN_DIV,
>>> + P_GPU_CC_PLL0_OUT_MAIN,
>>> + P_GPU_CC_PLL1_OUT_MAIN,
>>> +};
>>> +
>>> +static struct pll_vco lucid_5lpe_vco[] = {
>>> + { 249600000, 1750000000, 0 },
>>> +};
>>> +
>>> +static const struct alpha_pll_config gpu_cc_pll0_config = {
>>> + .l = 0x18,
>>> + .alpha = 0x6000,
>>> + .config_ctl_val = 0x20485699,
>>> + .config_ctl_hi_val = 0x00002261,
>>> + .config_ctl_hi1_val = 0x2A9A699C,
>>> + .test_ctl_val = 0x00000000,
>>> + .test_ctl_hi_val = 0x00000000,
>>> + .test_ctl_hi1_val = 0x01800000,
>>> + .user_ctl_val = 0x00000000,
>>> + .user_ctl_hi_val = 0x00000805,
>>> + .user_ctl_hi1_val = 0x00000000,
>>> +};
>>> +
>>> +static struct clk_alpha_pll gpu_cc_pll0 = {
>>> + .offset = 0x0,
>>> + .vco_table = lucid_5lpe_vco,
>>> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
>>> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
>>> + .clkr = {
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_pll0",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .fw_name = "bi_tcxo",
>>> + .name = "bi_tcxo",
>>
>> We are introducing new driver without previous non-dts bindings, so
>> there is no need for .name fields.
>
> Just to be clear, the '.name' field should only be removed for clk_parent_data?

Yes. The .fw_name references the name from dts "clock-names" array.
.name predates that and uses the global system clock names. It should
not be used if all dts files for the platform were using clock-names.

>
>
>>
>>> + },
>>> + .num_parents = 1,
>>> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static const struct alpha_pll_config gpu_cc_pll1_config = {
>>> + .l = 0x1A,
>>> + .alpha = 0xAAA,
>>> + .config_ctl_val = 0x20485699,
>>> + .config_ctl_hi_val = 0x00002261,
>>> + .config_ctl_hi1_val = 0x2A9A699C,
>>> + .test_ctl_val = 0x00000000,
>>> + .test_ctl_hi_val = 0x00000000,
>>> + .test_ctl_hi1_val = 0x01800000,
>>> + .user_ctl_val = 0x00000000,
>>> + .user_ctl_hi_val = 0x00000805,
>>> + .user_ctl_hi1_val = 0x00000000,
>>> +};
>>> +
>>> +static struct clk_alpha_pll gpu_cc_pll1 = {
>>> + .offset = 0x100,
>>> + .vco_table = lucid_5lpe_vco,
>>> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
>>> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
>>> + .clkr = {
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_pll1",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .fw_name = "bi_tcxo",
>>> + .name = "bi_tcxo",
>>> + },
>>> + .num_parents = 1,
>>> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static const struct parent_map gpu_cc_parent_map_0[] = {
>>> + { P_BI_TCXO, 0 },
>>> + { P_GPU_CC_PLL0_OUT_MAIN, 1 },
>>> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
>>> + { P_GPLL0_OUT_MAIN, 5 },
>>> + { P_GPLL0_OUT_MAIN_DIV, 6 },
>>> +};
>>> +
>>> +static const struct clk_parent_data gpu_cc_parent_data_0[] = {
>>> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
>>> + { .hw = &gpu_cc_pll0.clkr.hw },
>>> + { .hw = &gpu_cc_pll1.clkr.hw },
>>> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
>>> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
>>> +};
>>> +
>>> +static const struct parent_map gpu_cc_parent_map_1[] = {
>>> + { P_BI_TCXO, 0 },
>>> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
>>> + { P_GPLL0_OUT_MAIN, 5 },
>>> + { P_GPLL0_OUT_MAIN_DIV, 6 },
>>> +};
>>> +
>>> +static const struct clk_parent_data gpu_cc_parent_data_1[] = {
>>> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
>>> + { .hw = &gpu_cc_pll1.clkr.hw },
>>> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
>>> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
>>> +};
>>> +
>>> +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
>>> + F(19200000, P_BI_TCXO, 1, 0, 0),
>>> + F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0),
>>> + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0),
>>> + { }
>>> +};
>>> +
>>> +static struct clk_rcg2 gpu_cc_gmu_clk_src = {
>>> + .cmd_rcgr = 0x1120,
>>> + .mnd_width = 0,
>>> + .hid_width = 5,
>>> + .parent_map = gpu_cc_parent_map_0,
>>> + .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
>>> + .clkr.hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_gmu_clk_src",
>>> + .parent_data = gpu_cc_parent_data_0,
>>> + .num_parents = 5,
>>
>> Could you please use ARRAY_SIZE()
>
> Ack.
>
>>
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_rcg2_ops,
>>> + },
>>> +};
>>> +
>>> +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
>>> + F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
>>> + F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
>>> + F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
>>> + { }
>>> +};
>>> +
>>> +static struct clk_rcg2 gpu_cc_hub_clk_src = {
>>> + .cmd_rcgr = 0x117c,
>>> + .mnd_width = 0,
>>> + .hid_width = 5,
>>> + .parent_map = gpu_cc_parent_map_1,
>>> + .freq_tbl = ftbl_gpu_cc_hub_clk_src,
>>> + .clkr.hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_hub_clk_src",
>>> + .parent_data = gpu_cc_parent_data_1,
>>> + .num_parents = 4,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_rcg2_ops,
>>> + },
>>> +};
>>> +
>>> +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
>>> + .reg = 0x11c0,
>>> + .shift = 0,
>>> + .width = 4,
>>> + .clkr.hw.init = &(struct clk_init_data) {
>>> + .name = "gpu_cc_hub_ahb_div_clk_src",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_regmap_div_ro_ops,
>>> + },
>>> +};
>>> +
>>> +static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
>>> + .reg = 0x11bc,
>>> + .shift = 0,
>>> + .width = 4,
>>> + .clkr.hw.init = &(struct clk_init_data) {
>>> + .name = "gpu_cc_hub_cx_int_div_clk_src",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
>>> + },

BTW: could you please also switch to parent_hws in such places?

>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_regmap_div_ro_ops,
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_ahb_clk = {
>>> + .halt_reg = 0x1078,
>>> + .halt_check = BRANCH_HALT_DELAY,
>>> + .clkr = {
>>> + .enable_reg = 0x1078,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_ahb_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cb_clk = {
>>> + .halt_reg = 0x1170,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x1170,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cb_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_crc_ahb_clk = {
>>> + .halt_reg = 0x107c,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x107c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_crc_ahb_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_apb_clk = {
>>> + .halt_reg = 0x1088,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1088,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_apb_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_gmu_clk = {
>>> + .halt_reg = 0x1098,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x1098,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_gmu_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_aon_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_qdss_at_clk = {
>>> + .halt_reg = 0x1080,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1080,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_qdss_at_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_qdss_trig_clk = {
>>> + .halt_reg = 0x1094,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1094,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_qdss_trig_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = {
>>> + .halt_reg = 0x1084,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1084,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_qdss_tsctr_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
>>> + .halt_reg = 0x108c,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x108c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cx_snoc_dvm_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cxo_aon_clk = {
>>> + .halt_reg = 0x1004,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1004,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cxo_aon_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_cxo_clk = {
>>> + .halt_reg = 0x109c,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x109c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_cxo_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_freq_measure_clk = {
>>> + .halt_reg = 0x120c,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x120c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_freq_measure_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_gx_gmu_clk = {
>>> + .halt_reg = 0x1064,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x1064,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_gx_gmu_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = {
>>> + .halt_reg = 0x105c,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x105c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_gx_qdss_tsctr_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_gx_vsense_clk = {
>>> + .halt_reg = 0x1058,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1058,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_gx_vsense_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
>>> + .halt_reg = 0x5000,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x5000,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_hub_aon_clk = {
>>> + .halt_reg = 0x1178,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x1178,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_hub_aon_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_aon_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_hub_cx_int_clk = {
>>> + .halt_reg = 0x1204,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x1204,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_hub_cx_int_clk",
>>> + .parent_data = &(const struct clk_parent_data){
>>> + .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
>>> + },
>>> + .num_parents = 1,
>>> + .flags = CLK_SET_RATE_PARENT,
>>> + .ops = &clk_branch2_aon_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
>>> + .halt_reg = 0x802c,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x802c,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_mnd1x_0_gfx3d_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
>>> + .halt_reg = 0x8030,
>>> + .halt_check = BRANCH_HALT,
>>> + .clkr = {
>>> + .enable_reg = 0x8030,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_mnd1x_1_gfx3d_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct clk_branch gpu_cc_sleep_clk = {
>>> + .halt_reg = 0x1090,
>>> + .halt_check = BRANCH_HALT_VOTED,
>>> + .clkr = {
>>> + .enable_reg = 0x1090,
>>> + .enable_mask = BIT(0),
>>> + .hw.init = &(struct clk_init_data){
>>> + .name = "gpu_cc_sleep_clk",
>>> + .ops = &clk_branch2_ops,
>>> + },
>>> + },
>>> +};
>>> +
>>> +static struct gdsc gpu_cx_gdsc = {
>>> + .gdscr = 0x106c,
>>> + .gds_hw_ctrl = 0x1540,
>>> + .pd = {
>>> + .name = "gpu_cx_gdsc",
>>> + },
>>> + .pwrsts = PWRSTS_OFF_ON,
>>> + .flags = VOTABLE,
>>> +};
>>> +
>>> +static struct gdsc gpu_gx_gdsc = {
>>> + .gdscr = 0x100c,
>>> + // sw-reset = 0x1008,
>>> + // domain-addr = 0x158c,
>>> + .clamp_io_ctrl = 0x1508, // real?
>>
>> Should this be fixed or removed?
>
> Looking at downstream & sm8250, I think this should be removed.

But sm8250 has clamp_io_ctrl.

>
>>
>>> + .pd = {
>>> + .name = "gpu_gx_gdsc",
>>> + .power_on = gdsc_gx_do_nothing_enable,
>>> + },
>>> + .pwrsts = PWRSTS_OFF_ON,
>>> + .flags = AON_RESET | POLL_CFG_GDSCR,
>>
>> Comparing this with other gpucc drivers, don't we need CLAMP_IO here?
>
> Agreed.
>
>>
>>> +};
>>> +
>>> +static struct clk_regmap *gpu_cc_sm8350_clocks[] = {
>>> + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
>>> + [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
>>> + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
>>> + [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr,
>>> + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
>>> + [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr,
>>> + [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr,
>>> + [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr,
>>> + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
>>> + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
>>> + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
>>> + [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
>>> + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
>>> + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
>>> + [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr,
>>> + [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
>>> + [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
>>> + [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
>>> + [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
>>> + [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
>>> + [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
>>> + [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
>>> + [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
>>> + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
>>> + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
>>> + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
>>> + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
>>> +};
>>> +
>>> +static const struct qcom_reset_map gpu_cc_sm8350_resets[] = {
>>> + [GPUCC_GPU_CC_ACD_BCR] = { 0x1160 },
>>> + [GPUCC_GPU_CC_CB_BCR] = { 0x116c },
>>> + [GPUCC_GPU_CC_CX_BCR] = { 0x1068 },
>>> + [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x1174 },
>>> + [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
>>> + [GPUCC_GPU_CC_GMU_BCR] = { 0x111c },
>>> + [GPUCC_GPU_CC_GX_BCR] = { 0x1008 },
>>> + [GPUCC_GPU_CC_XO_BCR] = { 0x1000 },
>>> +};
>>> +
>>> +static struct gdsc *gpu_cc_sm8350_gdscs[] = {
>>> + [GPU_CX_GDSC] = &gpu_cx_gdsc,
>>> + [GPU_GX_GDSC] = &gpu_gx_gdsc,
>>> +};
>>> +
>>> +static const struct regmap_config gpu_cc_sm8350_regmap_config = {
>>> + .reg_bits = 32,
>>> + .reg_stride = 4,
>>> + .val_bits = 32,
>>> + .max_register = 0x8030,
>>> + .fast_io = true,
>>> +};
>>> +
>>> +static const struct qcom_cc_desc gpu_cc_sm8350_desc = {
>>> + .config = &gpu_cc_sm8350_regmap_config,
>>> + .clks = gpu_cc_sm8350_clocks,
>>> + .num_clks = ARRAY_SIZE(gpu_cc_sm8350_clocks),
>>> + .resets = gpu_cc_sm8350_resets,
>>> + .num_resets = ARRAY_SIZE(gpu_cc_sm8350_resets),
>>> + .gdscs = gpu_cc_sm8350_gdscs,
>>> + .num_gdscs = ARRAY_SIZE(gpu_cc_sm8350_gdscs),
>>> +};
>>> +
>>> +static const struct of_device_id gpu_cc_sm8350_match_table[] = {
>>> + { .compatible = "qcom,sm8350-gpucc" },
>>> + { }
>>> +};
>>> +MODULE_DEVICE_TABLE(of, gpu_cc_sm8350_match_table);
>>> +
>>> +static int gpu_cc_sm8350_probe(struct platform_device *pdev)
>>> +{
>>> + struct regmap *regmap;
>>> +
>>> + regmap = qcom_cc_map(pdev, &gpu_cc_sm8350_desc);
>>> + if (IS_ERR(regmap)) {
>>> + dev_err(&pdev->dev, "Failed to map gpu cc registers\n");
>>> + return PTR_ERR(regmap);
>>> + }
>>> +
>>> + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
>>> + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
>>> +
>>> + return qcom_cc_really_probe(pdev, &gpu_cc_sm8350_desc, regmap);
>>> +}
>>> +
>>> +static struct platform_driver gpu_cc_sm8350_driver = {
>>> + .probe = gpu_cc_sm8350_probe,
>>> + .driver = {
>>> + .name = "sm8350-gpucc",
>>> + .of_match_table = gpu_cc_sm8350_match_table,
>>> + },
>>> +};
>>> +
>>> +static int __init gpu_cc_sm8350_init(void)
>>> +{
>>> + return platform_driver_register(&gpu_cc_sm8350_driver);
>>> +}
>>> +subsys_initcall(gpu_cc_sm8350_init);
>>> +
>>> +static void __exit gpu_cc_sm8350_exit(void)
>>> +{
>>> + platform_driver_unregister(&gpu_cc_sm8350_driver);
>>> +}
>>> +module_exit(gpu_cc_sm8350_exit);
>>> +
>>> +MODULE_DESCRIPTION("QTI GPU_CC SM8350 Driver");
>>> +MODULE_LICENSE("GPL v2");
>>
>>
>> --
>> With best wishes
>> Dmitry


--
With best wishes
Dmitry

2022-05-03 15:34:04

by Robert Foss

[permalink] [raw]
Subject: Re: [PATCH v1 4/9] clk: qcom: add support for SM8350 GPUCC

On Mon, 2 May 2022 at 16:52, Dmitry Baryshkov
<[email protected]> wrote:
>
> On 02/05/2022 16:50, Robert Foss wrote:
> > On Fri, 29 Apr 2022 at 17:31, Dmitry Baryshkov
> > <[email protected]> wrote:
> >>
> >> On 29/04/2022 18:12, Robert Foss wrote:
> >>> From: Jonathan Marek <[email protected]>
> >>>
> >>> The GPUCC manages the clocks for the Adreno GPU found on the
> >>> sm8350 SoCs.
> >>>
> >>> Signed-off-by: Robert Foss <[email protected]>
> >>> ---
> >>> drivers/clk/qcom/Kconfig | 8 +
> >>> drivers/clk/qcom/Makefile | 1 +
> >>> drivers/clk/qcom/gpucc-sm8350.c | 640 ++++++++++++++++++++++++++++++++
> >>> 3 files changed, 649 insertions(+)
> >>> create mode 100644 drivers/clk/qcom/gpucc-sm8350.c
> >>>
> >>> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> >>> index e27f37ac2d9c..9b1f54e634b9 100644
> >>> --- a/drivers/clk/qcom/Kconfig
> >>> +++ b/drivers/clk/qcom/Kconfig
> >>> @@ -703,6 +703,14 @@ config SM_GPUCC_8250
> >>> Say Y if you want to support graphics controller devices and
> >>> functionality such as 3D graphics.
> >>>
> >>> +config SM_GPUCC_8350
> >>> + tristate "SM8350 Graphics Clock Controller"
> >>> + select SM_GCC_8350
> >>> + help
> >>> + Support for the graphics clock controller on SM8350 devices.
> >>> + Say Y if you want to support graphics controller devices and
> >>> + functionality such as 3D graphics.
> >>> +
> >>> config SM_VIDEOCC_8150
> >>> tristate "SM8150 Video Clock Controller"
> >>> select SM_GCC_8150
> >>> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> >>> index dff6aeb980e6..e1b7e49c8da4 100644
> >>> --- a/drivers/clk/qcom/Makefile
> >>> +++ b/drivers/clk/qcom/Makefile
> >>> @@ -100,6 +100,7 @@ obj-$(CONFIG_SM_GCC_8450) += gcc-sm8450.o
> >>> obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o
> >>> obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o
> >>> obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o
> >>> +obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
> >>> obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
> >>> obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
> >>> obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
> >>> diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
> >>> new file mode 100644
> >>> index 000000000000..d6098fd5e12f
> >>> --- /dev/null
> >>> +++ b/drivers/clk/qcom/gpucc-sm8350.c
> >>> @@ -0,0 +1,640 @@
> >>> +// SPDX-License-Identifier: GPL-2.0-only
> >>> +/*
> >>> + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
> >>> + */
> >>> +
> >>> +#include <linux/clk.h>
> >>> +#include <linux/err.h>
> >>> +#include <linux/kernel.h>
> >>> +#include <linux/module.h>
> >>> +#include <linux/of_device.h>
> >>> +#include <linux/of.h>
> >>> +#include <linux/regmap.h>
> >>> +
> >>> +#include <dt-bindings/clock/qcom,gpucc-sm8350.h>
> >>> +
> >>> +#include "clk-alpha-pll.h"
> >>> +#include "clk-branch.h"
> >>> +#include "clk-pll.h"
> >>> +#include "clk-rcg.h"
> >>> +#include "clk-regmap.h"
> >>> +#include "common.h"
> >>> +#include "clk-regmap-mux.h"
> >>> +#include "clk-regmap-divider.h"
> >>> +#include "gdsc.h"
> >>> +#include "reset.h"
> >>> +
> >>> +enum {
> >>> + P_BI_TCXO,
> >>> + P_GPLL0_OUT_MAIN,
> >>> + P_GPLL0_OUT_MAIN_DIV,
> >>> + P_GPU_CC_PLL0_OUT_MAIN,
> >>> + P_GPU_CC_PLL1_OUT_MAIN,
> >>> +};
> >>> +
> >>> +static struct pll_vco lucid_5lpe_vco[] = {
> >>> + { 249600000, 1750000000, 0 },
> >>> +};
> >>> +
> >>> +static const struct alpha_pll_config gpu_cc_pll0_config = {
> >>> + .l = 0x18,
> >>> + .alpha = 0x6000,
> >>> + .config_ctl_val = 0x20485699,
> >>> + .config_ctl_hi_val = 0x00002261,
> >>> + .config_ctl_hi1_val = 0x2A9A699C,
> >>> + .test_ctl_val = 0x00000000,
> >>> + .test_ctl_hi_val = 0x00000000,
> >>> + .test_ctl_hi1_val = 0x01800000,
> >>> + .user_ctl_val = 0x00000000,
> >>> + .user_ctl_hi_val = 0x00000805,
> >>> + .user_ctl_hi1_val = 0x00000000,
> >>> +};
> >>> +
> >>> +static struct clk_alpha_pll gpu_cc_pll0 = {
> >>> + .offset = 0x0,
> >>> + .vco_table = lucid_5lpe_vco,
> >>> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> >>> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> >>> + .clkr = {
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_pll0",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .fw_name = "bi_tcxo",
> >>> + .name = "bi_tcxo",
> >>
> >> We are introducing new driver without previous non-dts bindings, so
> >> there is no need for .name fields.
> >
> > Just to be clear, the '.name' field should only be removed for clk_parent_data?
>
> Yes. The .fw_name references the name from dts "clock-names" array.
> .name predates that and uses the global system clock names. It should
> not be used if all dts files for the platform were using clock-names.
>
> >
> >
> >>
> >>> + },
> >>> + .num_parents = 1,
> >>> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static const struct alpha_pll_config gpu_cc_pll1_config = {
> >>> + .l = 0x1A,
> >>> + .alpha = 0xAAA,
> >>> + .config_ctl_val = 0x20485699,
> >>> + .config_ctl_hi_val = 0x00002261,
> >>> + .config_ctl_hi1_val = 0x2A9A699C,
> >>> + .test_ctl_val = 0x00000000,
> >>> + .test_ctl_hi_val = 0x00000000,
> >>> + .test_ctl_hi1_val = 0x01800000,
> >>> + .user_ctl_val = 0x00000000,
> >>> + .user_ctl_hi_val = 0x00000805,
> >>> + .user_ctl_hi1_val = 0x00000000,
> >>> +};
> >>> +
> >>> +static struct clk_alpha_pll gpu_cc_pll1 = {
> >>> + .offset = 0x100,
> >>> + .vco_table = lucid_5lpe_vco,
> >>> + .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
> >>> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
> >>> + .clkr = {
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_pll1",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .fw_name = "bi_tcxo",
> >>> + .name = "bi_tcxo",
> >>> + },
> >>> + .num_parents = 1,
> >>> + .ops = &clk_alpha_pll_lucid_5lpe_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static const struct parent_map gpu_cc_parent_map_0[] = {
> >>> + { P_BI_TCXO, 0 },
> >>> + { P_GPU_CC_PLL0_OUT_MAIN, 1 },
> >>> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> >>> + { P_GPLL0_OUT_MAIN, 5 },
> >>> + { P_GPLL0_OUT_MAIN_DIV, 6 },
> >>> +};
> >>> +
> >>> +static const struct clk_parent_data gpu_cc_parent_data_0[] = {
> >>> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> >>> + { .hw = &gpu_cc_pll0.clkr.hw },
> >>> + { .hw = &gpu_cc_pll1.clkr.hw },
> >>> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> >>> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> >>> +};
> >>> +
> >>> +static const struct parent_map gpu_cc_parent_map_1[] = {
> >>> + { P_BI_TCXO, 0 },
> >>> + { P_GPU_CC_PLL1_OUT_MAIN, 3 },
> >>> + { P_GPLL0_OUT_MAIN, 5 },
> >>> + { P_GPLL0_OUT_MAIN_DIV, 6 },
> >>> +};
> >>> +
> >>> +static const struct clk_parent_data gpu_cc_parent_data_1[] = {
> >>> + { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
> >>> + { .hw = &gpu_cc_pll1.clkr.hw },
> >>> + { .fw_name = "gcc_gpu_gpll0_clk_src" },
> >>> + { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
> >>> +};
> >>> +
> >>> +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
> >>> + F(19200000, P_BI_TCXO, 1, 0, 0),
> >>> + F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0),
> >>> + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0),
> >>> + { }
> >>> +};
> >>> +
> >>> +static struct clk_rcg2 gpu_cc_gmu_clk_src = {
> >>> + .cmd_rcgr = 0x1120,
> >>> + .mnd_width = 0,
> >>> + .hid_width = 5,
> >>> + .parent_map = gpu_cc_parent_map_0,
> >>> + .freq_tbl = ftbl_gpu_cc_gmu_clk_src,
> >>> + .clkr.hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_gmu_clk_src",
> >>> + .parent_data = gpu_cc_parent_data_0,
> >>> + .num_parents = 5,
> >>
> >> Could you please use ARRAY_SIZE()
> >
> > Ack.
> >
> >>
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_rcg2_ops,
> >>> + },
> >>> +};
> >>> +
> >>> +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
> >>> + F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
> >>> + F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
> >>> + F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
> >>> + { }
> >>> +};
> >>> +
> >>> +static struct clk_rcg2 gpu_cc_hub_clk_src = {
> >>> + .cmd_rcgr = 0x117c,
> >>> + .mnd_width = 0,
> >>> + .hid_width = 5,
> >>> + .parent_map = gpu_cc_parent_map_1,
> >>> + .freq_tbl = ftbl_gpu_cc_hub_clk_src,
> >>> + .clkr.hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_hub_clk_src",
> >>> + .parent_data = gpu_cc_parent_data_1,
> >>> + .num_parents = 4,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_rcg2_ops,
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = {
> >>> + .reg = 0x11c0,
> >>> + .shift = 0,
> >>> + .width = 4,
> >>> + .clkr.hw.init = &(struct clk_init_data) {
> >>> + .name = "gpu_cc_hub_ahb_div_clk_src",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_regmap_div_ro_ops,
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = {
> >>> + .reg = 0x11bc,
> >>> + .shift = 0,
> >>> + .width = 4,
> >>> + .clkr.hw.init = &(struct clk_init_data) {
> >>> + .name = "gpu_cc_hub_cx_int_div_clk_src",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> >>> + },
>
> BTW: could you please also switch to parent_hws in such places?

Ack.

>
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_regmap_div_ro_ops,
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_ahb_clk = {
> >>> + .halt_reg = 0x1078,
> >>> + .halt_check = BRANCH_HALT_DELAY,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1078,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_ahb_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cb_clk = {
> >>> + .halt_reg = 0x1170,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1170,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cb_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_crc_ahb_clk = {
> >>> + .halt_reg = 0x107c,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x107c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_crc_ahb_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_apb_clk = {
> >>> + .halt_reg = 0x1088,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1088,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_apb_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_gmu_clk = {
> >>> + .halt_reg = 0x1098,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1098,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_gmu_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_aon_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_qdss_at_clk = {
> >>> + .halt_reg = 0x1080,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1080,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_qdss_at_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_qdss_trig_clk = {
> >>> + .halt_reg = 0x1094,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1094,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_qdss_trig_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = {
> >>> + .halt_reg = 0x1084,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1084,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_qdss_tsctr_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = {
> >>> + .halt_reg = 0x108c,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x108c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cx_snoc_dvm_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cxo_aon_clk = {
> >>> + .halt_reg = 0x1004,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1004,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cxo_aon_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_cxo_clk = {
> >>> + .halt_reg = 0x109c,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x109c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_cxo_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_freq_measure_clk = {
> >>> + .halt_reg = 0x120c,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x120c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_freq_measure_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_gx_gmu_clk = {
> >>> + .halt_reg = 0x1064,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1064,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_gx_gmu_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_gmu_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = {
> >>> + .halt_reg = 0x105c,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x105c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_gx_qdss_tsctr_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_gx_vsense_clk = {
> >>> + .halt_reg = 0x1058,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1058,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_gx_vsense_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = {
> >>> + .halt_reg = 0x5000,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x5000,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_hub_aon_clk = {
> >>> + .halt_reg = 0x1178,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1178,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_hub_aon_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_aon_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_hub_cx_int_clk = {
> >>> + .halt_reg = 0x1204,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1204,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_hub_cx_int_clk",
> >>> + .parent_data = &(const struct clk_parent_data){
> >>> + .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw,
> >>> + },
> >>> + .num_parents = 1,
> >>> + .flags = CLK_SET_RATE_PARENT,
> >>> + .ops = &clk_branch2_aon_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
> >>> + .halt_reg = 0x802c,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x802c,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_mnd1x_0_gfx3d_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
> >>> + .halt_reg = 0x8030,
> >>> + .halt_check = BRANCH_HALT,
> >>> + .clkr = {
> >>> + .enable_reg = 0x8030,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_mnd1x_1_gfx3d_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct clk_branch gpu_cc_sleep_clk = {
> >>> + .halt_reg = 0x1090,
> >>> + .halt_check = BRANCH_HALT_VOTED,
> >>> + .clkr = {
> >>> + .enable_reg = 0x1090,
> >>> + .enable_mask = BIT(0),
> >>> + .hw.init = &(struct clk_init_data){
> >>> + .name = "gpu_cc_sleep_clk",
> >>> + .ops = &clk_branch2_ops,
> >>> + },
> >>> + },
> >>> +};
> >>> +
> >>> +static struct gdsc gpu_cx_gdsc = {
> >>> + .gdscr = 0x106c,
> >>> + .gds_hw_ctrl = 0x1540,
> >>> + .pd = {
> >>> + .name = "gpu_cx_gdsc",
> >>> + },
> >>> + .pwrsts = PWRSTS_OFF_ON,
> >>> + .flags = VOTABLE,
> >>> +};
> >>> +
> >>> +static struct gdsc gpu_gx_gdsc = {
> >>> + .gdscr = 0x100c,
> >>> + // sw-reset = 0x1008,
> >>> + // domain-addr = 0x158c,
> >>> + .clamp_io_ctrl = 0x1508, // real?
> >>
> >> Should this be fixed or removed?
> >
> > Looking at downstream & sm8250, I think this should be removed.
>
> But sm8250 has clamp_io_ctrl.

Sorry, that was what I meant :)

>
> >
> >>
> >>> + .pd = {
> >>> + .name = "gpu_gx_gdsc",
> >>> + .power_on = gdsc_gx_do_nothing_enable,
> >>> + },
> >>> + .pwrsts = PWRSTS_OFF_ON,
> >>> + .flags = AON_RESET | POLL_CFG_GDSCR,
> >>
> >> Comparing this with other gpucc drivers, don't we need CLAMP_IO here?
> >
> > Agreed.
> >
> >>
> >>> +};
> >>> +
> >>> +static struct clk_regmap *gpu_cc_sm8350_clocks[] = {
> >>> + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
> >>> + [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr,
> >>> + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
> >>> + [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr,
> >>> + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
> >>> + [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr,
> >>> + [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr,
> >>> + [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr,
> >>> + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr,
> >>> + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr,
> >>> + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
> >>> + [GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
> >>> + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
> >>> + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
> >>> + [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr,
> >>> + [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
> >>> + [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr,
> >>> + [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr,
> >>> + [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
> >>> + [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
> >>> + [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
> >>> + [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr,
> >>> + [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
> >>> + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
> >>> + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
> >>> + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
> >>> + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
> >>> +};
> >>> +
> >>> +static const struct qcom_reset_map gpu_cc_sm8350_resets[] = {
> >>> + [GPUCC_GPU_CC_ACD_BCR] = { 0x1160 },
> >>> + [GPUCC_GPU_CC_CB_BCR] = { 0x116c },
> >>> + [GPUCC_GPU_CC_CX_BCR] = { 0x1068 },
> >>> + [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x1174 },
> >>> + [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x10a0 },
> >>> + [GPUCC_GPU_CC_GMU_BCR] = { 0x111c },
> >>> + [GPUCC_GPU_CC_GX_BCR] = { 0x1008 },
> >>> + [GPUCC_GPU_CC_XO_BCR] = { 0x1000 },
> >>> +};
> >>> +
> >>> +static struct gdsc *gpu_cc_sm8350_gdscs[] = {
> >>> + [GPU_CX_GDSC] = &gpu_cx_gdsc,
> >>> + [GPU_GX_GDSC] = &gpu_gx_gdsc,
> >>> +};
> >>> +
> >>> +static const struct regmap_config gpu_cc_sm8350_regmap_config = {
> >>> + .reg_bits = 32,
> >>> + .reg_stride = 4,
> >>> + .val_bits = 32,
> >>> + .max_register = 0x8030,
> >>> + .fast_io = true,
> >>> +};
> >>> +
> >>> +static const struct qcom_cc_desc gpu_cc_sm8350_desc = {
> >>> + .config = &gpu_cc_sm8350_regmap_config,
> >>> + .clks = gpu_cc_sm8350_clocks,
> >>> + .num_clks = ARRAY_SIZE(gpu_cc_sm8350_clocks),
> >>> + .resets = gpu_cc_sm8350_resets,
> >>> + .num_resets = ARRAY_SIZE(gpu_cc_sm8350_resets),
> >>> + .gdscs = gpu_cc_sm8350_gdscs,
> >>> + .num_gdscs = ARRAY_SIZE(gpu_cc_sm8350_gdscs),
> >>> +};
> >>> +
> >>> +static const struct of_device_id gpu_cc_sm8350_match_table[] = {
> >>> + { .compatible = "qcom,sm8350-gpucc" },
> >>> + { }
> >>> +};
> >>> +MODULE_DEVICE_TABLE(of, gpu_cc_sm8350_match_table);
> >>> +
> >>> +static int gpu_cc_sm8350_probe(struct platform_device *pdev)
> >>> +{
> >>> + struct regmap *regmap;
> >>> +
> >>> + regmap = qcom_cc_map(pdev, &gpu_cc_sm8350_desc);
> >>> + if (IS_ERR(regmap)) {
> >>> + dev_err(&pdev->dev, "Failed to map gpu cc registers\n");
> >>> + return PTR_ERR(regmap);
> >>> + }
> >>> +
> >>> + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
> >>> + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
> >>> +
> >>> + return qcom_cc_really_probe(pdev, &gpu_cc_sm8350_desc, regmap);
> >>> +}
> >>> +
> >>> +static struct platform_driver gpu_cc_sm8350_driver = {
> >>> + .probe = gpu_cc_sm8350_probe,
> >>> + .driver = {
> >>> + .name = "sm8350-gpucc",
> >>> + .of_match_table = gpu_cc_sm8350_match_table,
> >>> + },
> >>> +};
> >>> +
> >>> +static int __init gpu_cc_sm8350_init(void)
> >>> +{
> >>> + return platform_driver_register(&gpu_cc_sm8350_driver);
> >>> +}
> >>> +subsys_initcall(gpu_cc_sm8350_init);
> >>> +
> >>> +static void __exit gpu_cc_sm8350_exit(void)
> >>> +{
> >>> + platform_driver_unregister(&gpu_cc_sm8350_driver);
> >>> +}
> >>> +module_exit(gpu_cc_sm8350_exit);
> >>> +
> >>> +MODULE_DESCRIPTION("QTI GPU_CC SM8350 Driver");
> >>> +MODULE_LICENSE("GPL v2");
> >>
> >>
> >> --
> >> With best wishes
> >> Dmitry
>
>
> --
> With best wishes
> Dmitry