linux-kernel - [PATCH V4 2/6] clk: qcom: gcc-ipq9574: Add PCIe pipe clocks

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Date:   Fri, 19 May 2023 14:32:15 +0530
From:   Devi Priya <quic_devipriy@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <lpieralisi@...nel.org>,
        <kw@...ux.com>, <robh@...nel.org>, <bhelgaas@...gle.com>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>, <mani@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_sjaganat@...cinc.com>,
        <quic_kathirav@...cinc.com>, <quic_arajkuma@...cinc.com>,
        <quic_anusha@...cinc.com>, <quic_ipkumar@...cinc.com>
Subject: [PATCH V4 2/6] clk: qcom: gcc-ipq9574: Add PCIe pipe clocks

Add the PCIe pipe clocks needed for enabling PCIe in IPQ9574.

Acked-by: Stephen Boyd <sboyd@...nel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Co-developed-by: Anusha Rao <quic_anusha@...cinc.com>
Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
---
 Changes in V4:
	- Picked up the R-b tag

 drivers/clk/qcom/gcc-ipq9574.c | 76 ++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
index b203e7aae145..1245ac52a17c 100644
--- a/drivers/clk/qcom/gcc-ipq9574.c
+++ b/drivers/clk/qcom/gcc-ipq9574.c
@@ -1573,6 +1573,24 @@ static struct clk_regmap_phy_mux pcie0_pipe_clk_src = {
 	},
 };
 
+static struct clk_branch gcc_pcie0_pipe_clk = {
+	.halt_reg = 0x28044,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x28044,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_pcie0_pipe_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcie0_pipe_clk_src.clkr.hw
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_regmap_phy_mux pcie1_pipe_clk_src = {
 	.reg = 0x29064,
 	.clkr = {
@@ -1587,6 +1605,24 @@ static struct clk_regmap_phy_mux pcie1_pipe_clk_src = {
 	},
 };
 
+static struct clk_branch gcc_pcie1_pipe_clk = {
+	.halt_reg = 0x29044,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x29044,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_pcie1_pipe_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcie1_pipe_clk_src.clkr.hw
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_regmap_phy_mux pcie2_pipe_clk_src = {
 	.reg = 0x2a064,
 	.clkr = {
@@ -1601,6 +1637,24 @@ static struct clk_regmap_phy_mux pcie2_pipe_clk_src = {
 	},
 };
 
+static struct clk_branch gcc_pcie2_pipe_clk = {
+	.halt_reg = 0x2a044,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x2a044,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_pcie2_pipe_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcie2_pipe_clk_src.clkr.hw
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_regmap_phy_mux pcie3_pipe_clk_src = {
 	.reg = 0x2b064,
 	.clkr = {
@@ -1615,6 +1669,24 @@ static struct clk_regmap_phy_mux pcie3_pipe_clk_src = {
 	},
 };
 
+static struct clk_branch gcc_pcie3_pipe_clk = {
+	.halt_reg = 0x2b044,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x2b044,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_pcie3_pipe_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcie3_pipe_clk_src.clkr.hw
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static const struct freq_tbl ftbl_pcie_rchng_clk_src[] = {
 	F(24000000, P_XO, 1, 0, 0),
 	F(100000000, P_GPLL0, 8, 0, 0),
@@ -3968,9 +4040,13 @@ static struct clk_regmap *gcc_ipq9574_clks[] = {
 	[GCC_PCIE3_AXI_S_BRIDGE_CLK] = &gcc_pcie3_axi_s_bridge_clk.clkr,
 	[GCC_PCIE3_AXI_S_CLK] = &gcc_pcie3_axi_s_clk.clkr,
 	[PCIE0_PIPE_CLK_SRC] = &pcie0_pipe_clk_src.clkr,
+	[GCC_PCIE0_PIPE_CLK] = &gcc_pcie0_pipe_clk.clkr,
 	[PCIE1_PIPE_CLK_SRC] = &pcie1_pipe_clk_src.clkr,
+	[GCC_PCIE1_PIPE_CLK] = &gcc_pcie1_pipe_clk.clkr,
 	[PCIE2_PIPE_CLK_SRC] = &pcie2_pipe_clk_src.clkr,
+	[GCC_PCIE2_PIPE_CLK] = &gcc_pcie2_pipe_clk.clkr,
 	[PCIE3_PIPE_CLK_SRC] = &pcie3_pipe_clk_src.clkr,
+	[GCC_PCIE3_PIPE_CLK] = &gcc_pcie3_pipe_clk.clkr,
 	[PCIE_AUX_CLK_SRC] = &pcie_aux_clk_src.clkr,
 	[GCC_PCIE0_AUX_CLK] = &gcc_pcie0_aux_clk.clkr,
 	[GCC_PCIE1_AUX_CLK] = &gcc_pcie1_aux_clk.clkr,
-- 
2.17.1