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From:   Jagadeesh Kona <quic_jkona@quicinc.com>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
CC:     Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
        <linux-arm-msm@vger.kernel.org>, <linux-clk@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Taniya Das <quic_tdas@quicinc.com>,
        Jagadeesh Kona <quic_jkona@quicinc.com>,
        "Satya Priya Kakitapalli" <quic_skakitap@quicinc.com>,
        Imran Shaik <quic_imrashai@quicinc.com>,
        Ajit Pandey <quic_ajipan@quicinc.com>
Subject: [PATCH V6 4/5] clk: qcom: camcc-sm8550: Add support for qdss, sleep and xo clocks
Date:   Fri, 7 Jul 2023 09:27:43 +0530
Message-ID: <20230707035744.22245-5-quic_jkona@quicinc.com>
In-Reply-To: <20230707035744.22245-1-quic_jkona@quicinc.com>
References: <20230707035744.22245-1-quic_jkona@quicinc.com>
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Add support for camera qdss, sleep and xo clocks.

Co-developed-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
---
Changes since v5:
 - Updated parent map and frequency table of cam_cc_xo_clk_src to use
   active only source P_BI_TCXO_AO instead of P_BI_TCXO
Changes since v4:
 - No changes.
Changes since v3:
 - No changes.
Changes since v2:
 - No changes.
Changes since v1:
 - Newly added.

 drivers/clk/qcom/camcc-sm8550.c | 181 ++++++++++++++++++++++++++++++++
 1 file changed, 181 insertions(+)

diff --git a/drivers/clk/qcom/camcc-sm8550.c b/drivers/clk/qcom/camcc-sm8550.c
index 075bea32087c..2133e768b891 100644
--- a/drivers/clk/qcom/camcc-sm8550.c
+++ b/drivers/clk/qcom/camcc-sm8550.c
@@ -22,10 +22,13 @@
 enum {
 	DT_IFACE,
 	DT_BI_TCXO,
+	DT_BI_TCXO_AO,
+	DT_SLEEP_CLK,
 };
 
 enum {
 	P_BI_TCXO,
+	P_BI_TCXO_AO,
 	P_CAM_CC_PLL0_OUT_EVEN,
 	P_CAM_CC_PLL0_OUT_MAIN,
 	P_CAM_CC_PLL0_OUT_ODD,
@@ -43,6 +46,7 @@ enum {
 	P_CAM_CC_PLL10_OUT_EVEN,
 	P_CAM_CC_PLL11_OUT_EVEN,
 	P_CAM_CC_PLL12_OUT_EVEN,
+	P_SLEEP_CLK,
 };
 
 static const struct pll_vco lucid_ole_vco[] = {
@@ -881,6 +885,22 @@ static const struct clk_parent_data cam_cc_parent_data_11[] = {
 	{ .hw = &cam_cc_pll7_out_even.clkr.hw },
 };
 
+static const struct parent_map cam_cc_parent_map_12[] = {
+	{ P_SLEEP_CLK, 0 },
+};
+
+static const struct clk_parent_data cam_cc_parent_data_12[] = {
+	{ .index = DT_SLEEP_CLK },
+};
+
+static const struct parent_map cam_cc_parent_map_13_ao[] = {
+	{ P_BI_TCXO_AO, 0 },
+};
+
+static const struct clk_parent_data cam_cc_parent_data_13_ao[] = {
+	{ .index = DT_BI_TCXO_AO },
+};
+
 static const struct freq_tbl ftbl_cam_cc_bps_clk_src[] = {
 	F(19200000, P_BI_TCXO, 1, 0, 0),
 	F(200000000, P_CAM_CC_PLL8_OUT_EVEN, 1, 0, 0),
@@ -1565,6 +1585,29 @@ static struct clk_rcg2 cam_cc_mclk7_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_cam_cc_qdss_debug_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	F(75000000, P_CAM_CC_PLL0_OUT_EVEN, 8, 0, 0),
+	F(150000000, P_CAM_CC_PLL0_OUT_EVEN, 4, 0, 0),
+	F(300000000, P_CAM_CC_PLL0_OUT_MAIN, 4, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 cam_cc_qdss_debug_clk_src = {
+	.cmd_rcgr = 0x13f24,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = cam_cc_parent_map_0,
+	.freq_tbl = ftbl_cam_cc_qdss_debug_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "cam_cc_qdss_debug_clk_src",
+		.parent_data = cam_cc_parent_data_0,
+		.num_parents = ARRAY_SIZE(cam_cc_parent_data_0),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
 static const struct freq_tbl ftbl_cam_cc_sfe_0_clk_src[] = {
 	F(466000000, P_CAM_CC_PLL6_OUT_EVEN, 1, 0, 0),
 	F(594000000, P_CAM_CC_PLL6_OUT_EVEN, 1, 0, 0),
@@ -1611,6 +1654,26 @@ static struct clk_rcg2 cam_cc_sfe_1_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_cam_cc_sleep_clk_src[] = {
+	F(32000, P_SLEEP_CLK, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 cam_cc_sleep_clk_src = {
+	.cmd_rcgr = 0x141a0,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = cam_cc_parent_map_12,
+	.freq_tbl = ftbl_cam_cc_sleep_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "cam_cc_sleep_clk_src",
+		.parent_data = cam_cc_parent_data_12,
+		.num_parents = ARRAY_SIZE(cam_cc_parent_data_12),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
 static const struct freq_tbl ftbl_cam_cc_slow_ahb_clk_src[] = {
 	F(19200000, P_BI_TCXO, 1, 0, 0),
 	F(80000000, P_CAM_CC_PLL0_OUT_EVEN, 7.5, 0, 0),
@@ -1632,6 +1695,26 @@ static struct clk_rcg2 cam_cc_slow_ahb_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_cam_cc_xo_clk_src[] = {
+	F(19200000, P_BI_TCXO_AO, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 cam_cc_xo_clk_src = {
+	.cmd_rcgr = 0x14070,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = cam_cc_parent_map_13_ao,
+	.freq_tbl = ftbl_cam_cc_xo_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "cam_cc_xo_clk_src",
+		.parent_data = cam_cc_parent_data_13_ao,
+		.num_parents = ARRAY_SIZE(cam_cc_parent_data_13_ao),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
 static struct clk_branch cam_cc_bps_ahb_clk = {
 	.halt_reg = 0x10274,
 	.halt_check = BRANCH_HALT,
@@ -1704,6 +1787,42 @@ static struct clk_branch cam_cc_camnoc_axi_clk = {
 	},
 };
 
+static struct clk_branch cam_cc_camnoc_dcd_xo_clk = {
+	.halt_reg = 0x13f18,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x13f18,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "cam_cc_camnoc_dcd_xo_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&cam_cc_xo_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch cam_cc_camnoc_xo_clk = {
+	.halt_reg = 0x13f1c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x13f1c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "cam_cc_camnoc_xo_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&cam_cc_xo_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch cam_cc_cci_0_clk = {
 	.halt_reg = 0x13a2c,
 	.halt_check = BRANCH_HALT,
@@ -2370,6 +2489,24 @@ static struct clk_branch cam_cc_drv_ahb_clk = {
 	},
 };
 
+static struct clk_branch cam_cc_drv_xo_clk = {
+	.halt_reg = 0x142d4,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x142d4,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "cam_cc_drv_xo_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&cam_cc_xo_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch cam_cc_icp_ahb_clk = {
 	.halt_reg = 0x138fc,
 	.halt_check = BRANCH_HALT,
@@ -2910,6 +3047,42 @@ static struct clk_branch cam_cc_mclk7_clk = {
 	},
 };
 
+static struct clk_branch cam_cc_qdss_debug_clk = {
+	.halt_reg = 0x14050,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x14050,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "cam_cc_qdss_debug_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&cam_cc_qdss_debug_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch cam_cc_qdss_debug_xo_clk = {
+	.halt_reg = 0x14054,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x14054,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "cam_cc_qdss_debug_xo_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&cam_cc_xo_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch cam_cc_sbi_clk = {
 	.halt_reg = 0x10540,
 	.halt_check = BRANCH_HALT,
@@ -3133,6 +3306,8 @@ static struct clk_regmap *cam_cc_sm8550_clocks[] = {
 	[CAM_CC_BPS_FAST_AHB_CLK] = &cam_cc_bps_fast_ahb_clk.clkr,
 	[CAM_CC_CAMNOC_AXI_CLK] = &cam_cc_camnoc_axi_clk.clkr,
 	[CAM_CC_CAMNOC_AXI_CLK_SRC] = &cam_cc_camnoc_axi_clk_src.clkr,
+	[CAM_CC_CAMNOC_DCD_XO_CLK] = &cam_cc_camnoc_dcd_xo_clk.clkr,
+	[CAM_CC_CAMNOC_XO_CLK] = &cam_cc_camnoc_xo_clk.clkr,
 	[CAM_CC_CCI_0_CLK] = &cam_cc_cci_0_clk.clkr,
 	[CAM_CC_CCI_0_CLK_SRC] = &cam_cc_cci_0_clk_src.clkr,
 	[CAM_CC_CCI_1_CLK] = &cam_cc_cci_1_clk.clkr,
@@ -3184,6 +3359,7 @@ static struct clk_regmap *cam_cc_sm8550_clocks[] = {
 	[CAM_CC_CSIPHY6_CLK] = &cam_cc_csiphy6_clk.clkr,
 	[CAM_CC_CSIPHY7_CLK] = &cam_cc_csiphy7_clk.clkr,
 	[CAM_CC_DRV_AHB_CLK] = &cam_cc_drv_ahb_clk.clkr,
+	[CAM_CC_DRV_XO_CLK] = &cam_cc_drv_xo_clk.clkr,
 	[CAM_CC_FAST_AHB_CLK_SRC] = &cam_cc_fast_ahb_clk_src.clkr,
 	[CAM_CC_ICP_AHB_CLK] = &cam_cc_icp_ahb_clk.clkr,
 	[CAM_CC_ICP_CLK] = &cam_cc_icp_clk.clkr,
@@ -3260,6 +3436,9 @@ static struct clk_regmap *cam_cc_sm8550_clocks[] = {
 	[CAM_CC_PLL11_OUT_EVEN] = &cam_cc_pll11_out_even.clkr,
 	[CAM_CC_PLL12] = &cam_cc_pll12.clkr,
 	[CAM_CC_PLL12_OUT_EVEN] = &cam_cc_pll12_out_even.clkr,
+	[CAM_CC_QDSS_DEBUG_CLK] = &cam_cc_qdss_debug_clk.clkr,
+	[CAM_CC_QDSS_DEBUG_CLK_SRC] = &cam_cc_qdss_debug_clk_src.clkr,
+	[CAM_CC_QDSS_DEBUG_XO_CLK] = &cam_cc_qdss_debug_xo_clk.clkr,
 	[CAM_CC_SBI_CLK] = &cam_cc_sbi_clk.clkr,
 	[CAM_CC_SBI_FAST_AHB_CLK] = &cam_cc_sbi_fast_ahb_clk.clkr,
 	[CAM_CC_SFE_0_CLK] = &cam_cc_sfe_0_clk.clkr,
@@ -3268,7 +3447,9 @@ static struct clk_regmap *cam_cc_sm8550_clocks[] = {
 	[CAM_CC_SFE_1_CLK] = &cam_cc_sfe_1_clk.clkr,
 	[CAM_CC_SFE_1_CLK_SRC] = &cam_cc_sfe_1_clk_src.clkr,
 	[CAM_CC_SFE_1_FAST_AHB_CLK] = &cam_cc_sfe_1_fast_ahb_clk.clkr,
+	[CAM_CC_SLEEP_CLK_SRC] = &cam_cc_sleep_clk_src.clkr,
 	[CAM_CC_SLOW_AHB_CLK_SRC] = &cam_cc_slow_ahb_clk_src.clkr,
+	[CAM_CC_XO_CLK_SRC] = &cam_cc_xo_clk_src.clkr,
 };
 
 static struct gdsc *cam_cc_sm8550_gdscs[] = {
-- 
2.40.1