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From:   Chun-Jie Chen <chun-jie.chen@mediatek.com>
To:     Matthias Brugger <matthias.bgg@gmail.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Nicolas Boichat <drinkcat@chromium.org>,
        Rob Herring <robh+dt@kernel.org>
CC:     <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-mediatek@lists.infradead.org>, <linux-clk@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <srv_heupstream@mediatek.com>,
        <Project_Global_Chrome_Upstream_Group@mediatek.com>,
        Chun-Jie Chen <chun-jie.chen@mediatek.com>
Subject: [PATCH 05/22] clk: mediatek: Add MT8195 audio clock support
Date:   Thu, 17 Jun 2021 06:47:26 +0800
Message-ID: <20210616224743.5109-6-chun-jie.chen@mediatek.com>
In-Reply-To: <20210616224743.5109-1-chun-jie.chen@mediatek.com>
References: <20210616224743.5109-1-chun-jie.chen@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Add MT8195 audio clock provider

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
---
 drivers/clk/mediatek/Kconfig          |   6 +
 drivers/clk/mediatek/Makefile         |   1 +
 drivers/clk/mediatek/clk-mt8195-aud.c | 198 ++++++++++++++++++++++++++
 3 files changed, 205 insertions(+)
 create mode 100644 drivers/clk/mediatek/clk-mt8195-aud.c

diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 6707aba3d500..e2bae9d490a4 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -588,6 +588,12 @@ config COMMON_CLK_MT8195
 	help
 	  This driver supports MediaTek MT8195 basic clocks.
 
+config COMMON_CLK_MT8195_AUDSYS
+	bool "Clock driver for MediaTek MT8195 audsys"
+	depends on COMMON_CLK_MT8195
+	help
+	  This driver supports MediaTek MT8195 audsys clocks.
+
 config COMMON_CLK_MT8516
 	bool "Clock driver for MediaTek MT8516"
 	depends on ARCH_MEDIATEK || COMPILE_TEST
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index f8002d8966e1..f27c04314186 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -81,5 +81,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_SCP_ADSP) += clk-mt8192-scp_adsp.o
 obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS) += clk-mt8192-vdec.o
 obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o
 obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195.o
+obj-$(CONFIG_COMMON_CLK_MT8195_AUDSYS) += clk-mt8195-aud.o
 obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
 obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8195-aud.c b/drivers/clk/mediatek/clk-mt8195-aud.c
new file mode 100644
index 000000000000..db5f80d41de0
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-aud.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2021 MediaTek Inc.
+// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8195-clk.h>
+
+static const struct mtk_gate_regs aud0_cg_regs = {
+	.set_ofs = 0x0,
+	.clr_ofs = 0x0,
+	.sta_ofs = 0x0,
+};
+
+static const struct mtk_gate_regs aud1_cg_regs = {
+	.set_ofs = 0x10,
+	.clr_ofs = 0x10,
+	.sta_ofs = 0x10,
+};
+
+static const struct mtk_gate_regs aud2_cg_regs = {
+	.set_ofs = 0x14,
+	.clr_ofs = 0x14,
+	.sta_ofs = 0x14,
+};
+
+static const struct mtk_gate_regs aud3_cg_regs = {
+	.set_ofs = 0x18,
+	.clr_ofs = 0x18,
+	.sta_ofs = 0x18,
+};
+
+static const struct mtk_gate_regs aud4_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x4,
+	.sta_ofs = 0x4,
+};
+
+static const struct mtk_gate_regs aud5_cg_regs = {
+	.set_ofs = 0xc,
+	.clr_ofs = 0xc,
+	.sta_ofs = 0xc,
+};
+
+#define GATE_AUD0(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+#define GATE_AUD1(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+#define GATE_AUD2(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+#define GATE_AUD3(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud3_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+#define GATE_AUD4(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud4_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+#define GATE_AUD5(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &aud5_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+static const struct mtk_gate aud_clks[] = {
+	/* AUD0 */
+	GATE_AUD0(CLK_AUD_AFE, "aud_afe", "a1sys_hp_sel", 2),
+	GATE_AUD0(CLK_AUD_LRCK_CNT, "aud_lrck_cnt", "a1sys_hp_sel", 4),
+	GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_APLL, "aud_spdifin_tuner_apll", "apll4_sel", 10),
+	GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_DBG, "aud_spdifin_tuner_dbg", "apll4_sel", 11),
+	GATE_AUD0(CLK_AUD_UL_TML, "aud_ul_tml", "a1sys_hp_sel", 18),
+	GATE_AUD0(CLK_AUD_APLL1_TUNER, "aud_apll1_tuner", "apll1_sel", 19),
+	GATE_AUD0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "apll2_sel", 20),
+	GATE_AUD0(CLK_AUD_TOP0_SPDF, "aud_top0_spdf", "aud_iec_sel", 21),
+	GATE_AUD0(CLK_AUD_APLL, "aud_apll", "apll1_sel", 23),
+	GATE_AUD0(CLK_AUD_APLL2, "aud_apll2", "apll2_sel", 24),
+	GATE_AUD0(CLK_AUD_DAC, "aud_dac", "a1sys_hp_sel", 25),
+	GATE_AUD0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "a1sys_hp_sel", 26),
+	GATE_AUD0(CLK_AUD_TML, "aud_tml", "a1sys_hp_sel", 27),
+	GATE_AUD0(CLK_AUD_ADC, "aud_adc", "a1sys_hp_sel", 28),
+	GATE_AUD0(CLK_AUD_DAC_HIRES, "aud_dac_hires", "audio_h_sel", 31),
+	/* AUD1 */
+	GATE_AUD1(CLK_AUD_I2SIN, "aud_i2sin", "a1sys_hp_sel", 0),
+	GATE_AUD1(CLK_AUD_TDM_IN, "aud_tdm_in", "a1sys_hp_sel", 1),
+	GATE_AUD1(CLK_AUD_I2S_OUT, "aud_i2s_out", "a1sys_hp_sel", 6),
+	GATE_AUD1(CLK_AUD_TDM_OUT, "aud_tdm_out", "a1sys_hp_sel", 7),
+	GATE_AUD1(CLK_AUD_HDMI_OUT, "aud_hdmi_out", "a1sys_hp_sel", 8),
+	GATE_AUD1(CLK_AUD_ASRC11, "aud_asrc11", "a1sys_hp_sel", 16),
+	GATE_AUD1(CLK_AUD_ASRC12, "aud_asrc12", "a1sys_hp_sel", 17),
+	GATE_AUD1(CLK_AUD_MULTI_IN, "aud_multi_in", "mphone_slave_b", 19),
+	GATE_AUD1(CLK_AUD_INTDIR, "aud_intdir", "intdir_sel", 20),
+	GATE_AUD1(CLK_AUD_A1SYS, "aud_a1sys", "a1sys_hp_sel", 21),
+	GATE_AUD1(CLK_AUD_A2SYS, "aud_a2sys", "a2sys_sel", 22),
+	GATE_AUD1(CLK_AUD_PCMIF, "aud_pcmif", "a1sys_hp_sel", 24),
+	GATE_AUD1(CLK_AUD_A3SYS, "aud_a3sys", "a3sys_sel", 30),
+	GATE_AUD1(CLK_AUD_A4SYS, "aud_a4sys", "a4sys_sel", 31),
+	/* AUD2 */
+	GATE_AUD2(CLK_AUD_MEMIF_UL1, "aud_memif_ul1", "a1sys_hp_sel", 0),
+	GATE_AUD2(CLK_AUD_MEMIF_UL2, "aud_memif_ul2", "a1sys_hp_sel", 1),
+	GATE_AUD2(CLK_AUD_MEMIF_UL3, "aud_memif_ul3", "a1sys_hp_sel", 2),
+	GATE_AUD2(CLK_AUD_MEMIF_UL4, "aud_memif_ul4", "a1sys_hp_sel", 3),
+	GATE_AUD2(CLK_AUD_MEMIF_UL5, "aud_memif_ul5", "a1sys_hp_sel", 4),
+	GATE_AUD2(CLK_AUD_MEMIF_UL6, "aud_memif_ul6", "a1sys_hp_sel", 5),
+	GATE_AUD2(CLK_AUD_MEMIF_UL8, "aud_memif_ul8", "a1sys_hp_sel", 7),
+	GATE_AUD2(CLK_AUD_MEMIF_UL9, "aud_memif_ul9", "a1sys_hp_sel", 8),
+	GATE_AUD2(CLK_AUD_MEMIF_UL10, "aud_memif_ul10", "a1sys_hp_sel", 9),
+	GATE_AUD2(CLK_AUD_MEMIF_DL2, "aud_memif_dl2", "a1sys_hp_sel", 18),
+	GATE_AUD2(CLK_AUD_MEMIF_DL3, "aud_memif_dl3", "a1sys_hp_sel", 19),
+	GATE_AUD2(CLK_AUD_MEMIF_DL6, "aud_memif_dl6", "a1sys_hp_sel", 22),
+	GATE_AUD2(CLK_AUD_MEMIF_DL7, "aud_memif_dl7", "a1sys_hp_sel", 23),
+	GATE_AUD2(CLK_AUD_MEMIF_DL8, "aud_memif_dl8", "a1sys_hp_sel", 24),
+	GATE_AUD2(CLK_AUD_MEMIF_DL10, "aud_memif_dl10", "a1sys_hp_sel", 26),
+	GATE_AUD2(CLK_AUD_MEMIF_DL11, "aud_memif_dl11", "a1sys_hp_sel", 27),
+	/* AUD3 */
+	GATE_AUD3(CLK_AUD_GASRC0, "aud_gasrc0", "asm_h_sel", 0),
+	GATE_AUD3(CLK_AUD_GASRC1, "aud_gasrc1", "asm_h_sel", 1),
+	GATE_AUD3(CLK_AUD_GASRC2, "aud_gasrc2", "asm_h_sel", 2),
+	GATE_AUD3(CLK_AUD_GASRC3, "aud_gasrc3", "asm_h_sel", 3),
+	GATE_AUD3(CLK_AUD_GASRC4, "aud_gasrc4", "asm_h_sel", 4),
+	GATE_AUD3(CLK_AUD_GASRC5, "aud_gasrc5", "asm_h_sel", 5),
+	GATE_AUD3(CLK_AUD_GASRC6, "aud_gasrc6", "asm_h_sel", 6),
+	GATE_AUD3(CLK_AUD_GASRC7, "aud_gasrc7", "asm_h_sel", 7),
+	GATE_AUD3(CLK_AUD_GASRC8, "aud_gasrc8", "asm_h_sel", 8),
+	GATE_AUD3(CLK_AUD_GASRC9, "aud_gasrc9", "asm_h_sel", 9),
+	GATE_AUD3(CLK_AUD_GASRC10, "aud_gasrc10", "asm_h_sel", 10),
+	GATE_AUD3(CLK_AUD_GASRC11, "aud_gasrc11", "asm_h_sel", 11),
+	GATE_AUD3(CLK_AUD_GASRC12, "aud_gasrc12", "asm_h_sel", 12),
+	GATE_AUD3(CLK_AUD_GASRC13, "aud_gasrc13", "asm_h_sel", 13),
+	GATE_AUD3(CLK_AUD_GASRC14, "aud_gasrc14", "asm_h_sel", 14),
+	GATE_AUD3(CLK_AUD_GASRC15, "aud_gasrc15", "asm_h_sel", 15),
+	GATE_AUD3(CLK_AUD_GASRC16, "aud_gasrc16", "asm_h_sel", 16),
+	GATE_AUD3(CLK_AUD_GASRC17, "aud_gasrc17", "asm_h_sel", 17),
+	GATE_AUD3(CLK_AUD_GASRC18, "aud_gasrc18", "asm_h_sel", 18),
+	GATE_AUD3(CLK_AUD_GASRC19, "aud_gasrc19", "asm_h_sel", 19),
+	/* AUD4 */
+	GATE_AUD4(CLK_AUD_A1SYS_HP, "aud_a1sys_hp", "a1sys_hp_sel", 2),
+	GATE_AUD4(CLK_AUD_AFE_DMIC1, "aud_afe_dmic1", "a1sys_hp_sel", 10),
+	GATE_AUD4(CLK_AUD_AFE_DMIC2, "aud_afe_dmic2", "a1sys_hp_sel", 11),
+	GATE_AUD4(CLK_AUD_AFE_DMIC3, "aud_afe_dmic3", "a1sys_hp_sel", 12),
+	GATE_AUD4(CLK_AUD_AFE_DMIC4, "aud_afe_dmic4", "a1sys_hp_sel", 13),
+	GATE_AUD4(CLK_AUD_AFE_26M_DMIC_TM, "aud_afe_26m_dmic_tm", "a1sys_hp_sel", 14),
+	GATE_AUD4(CLK_AUD_UL_TML_HIRES, "aud_ul_tml_hires", "audio_h_sel", 16),
+	GATE_AUD4(CLK_AUD_ADC_HIRES, "aud_adc_hires", "audio_h_sel", 17),
+	GATE_AUD4(CLK_AUD_ADDA6_ADC, "aud_adda6_adc", "a1sys_hp_sel", 18),
+	GATE_AUD4(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", "audio_h_sel", 19),
+	/* AUD5 */
+	GATE_AUD5(CLK_AUD_LINEIN_TUNER, "aud_linein_tuner", "apll5_sel", 5),
+	GATE_AUD5(CLK_AUD_EARC_TUNER, "aud_earc_tuner", "apll3_sel", 7),
+};
+
+static int clk_mt8195_aud_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	struct device_node *node = pdev->dev.of_node;
+	int r;
+
+	clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
+
+	r = mtk_clk_register_gates(node, aud_clks, ARRAY_SIZE(aud_clks), clk_data);
+	if (r)
+		return r;
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		goto err_clk_provider;
+
+	r = devm_of_platform_populate(&pdev->dev);
+	if (r)
+		goto err_plat_populate;
+
+	return 0;
+
+err_plat_populate:
+	of_clk_del_provider(node);
+err_clk_provider:
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt8195_aud[] = {
+	{ .compatible = "mediatek,mt8195-audsys", },
+	{}
+};
+
+static struct platform_driver clk_mt8195_aud_drv = {
+	.probe = clk_mt8195_aud_probe,
+	.driver = {
+		.name = "clk-mt8195-aud",
+		.of_match_table = of_match_clk_mt8195_aud,
+	},
+};
+
+builtin_platform_driver(clk_mt8195_aud_drv);
-- 
2.18.0