linux-kernel - [PATCH v3 3/4] clk: qcom: gcc: Add support for GCC LPASS clock for SC7180

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Date:   Wed, 10 Jun 2020 22:48:06 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette   <mturquette@...libre.com>
Cc:     David Brown <david.brown@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>, devicetree@...r.kernel.org,
        robh@...nel.org, robh+dt@...nel.org,
        Taniya Das <tdas@...eaurora.org>
Subject: [PATCH v3 3/4] clk: qcom: gcc: Add support for GCC LPASS clock for SC7180

Add the GCC lpass clock which is required to access the LPASS core
clocks.

Signed-off-by: Taniya Das <tdas@...eaurora.org>
---
 drivers/clk/qcom/gcc-sc7180.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c
index ca4383e..8d3b161 100644
--- a/drivers/clk/qcom/gcc-sc7180.c
+++ b/drivers/clk/qcom/gcc-sc7180.c
@@ -2251,6 +2251,19 @@ static struct clk_branch gcc_mss_q6_memnoc_axi_clk = {
 	},
 };
 
+static struct clk_branch gcc_lpass_cfg_noc_sway_clk = {
+	.halt_reg = 0x47018,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x47018,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_lpass_cfg_noc_sway_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct gdsc ufs_phy_gdsc = {
 	.gdscr = 0x77004,
 	.pd = {
@@ -2428,6 +2441,7 @@ static struct clk_regmap *gcc_sc7180_clocks[] = {
 	[GCC_MSS_Q6_MEMNOC_AXI_CLK] = &gcc_mss_q6_memnoc_axi_clk.clkr,
 	[GCC_MSS_SNOC_AXI_CLK] = &gcc_mss_snoc_axi_clk.clkr,
 	[GCC_SEC_CTRL_CLK_SRC] = &gcc_sec_ctrl_clk_src.clkr,
+	[GCC_LPASS_CFG_NOC_SWAY_CLK] = &gcc_lpass_cfg_noc_sway_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_sc7180_resets[] = {
-- 
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