linux-kernel - [PATCH 6/7] clk: qcom: gcc-ipq9574: Add PCIe related clocks

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Message-ID: <20230214164135.17039-7-quic_devipriy@quicinc.com>
Date:   Tue, 14 Feb 2023 22:11:34 +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>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <mturquette@...libre.com>, <sboyd@...nel.org>,
        <mani@...nel.org>, <p.zabel@...gutronix.de>,
        <svarbanov@...sol.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_gokulsri@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_kathirav@...cinc.com>,
        <quic_arajkuma@...cinc.com>, <quic_anusha@...cinc.com>
Subject: [PATCH 6/7] clk: qcom: gcc-ipq9574: Add PCIe related clocks

Add the clocks needed for enabling PCIe in IPQ9574

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>
---
 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 b2a2d618a5ec..1bf33d582dc2 100644
--- a/drivers/clk/qcom/gcc-ipq9574.c
+++ b/drivers/clk/qcom/gcc-ipq9574.c
@@ -1538,6 +1538,24 @@ 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 = &(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 = {
@@ -1552,6 +1570,24 @@ 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 = &(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 = {
@@ -1566,6 +1602,24 @@ 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 = &(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 = {
@@ -1580,6 +1634,24 @@ 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 = &(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),
@@ -3901,9 +3973,13 @@ 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