linux-kernel - [PATCH 2/9] clk: qcom: gcc-msm8998: Add missing hmss_gpll0_clk

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Date:   Sat,  9 Jan 2021 14:46:10 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
        martin.botka@...ainline.org, phone-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, agross@...nel.org,
        bjorn.andersson@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, robh+dt@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Subject: [PATCH 2/9] clk: qcom: gcc-msm8998: Add missing hmss_gpll0_clk_src clock

To achieve CPR-Hardened functionality this clock must be on: add it
in order to be able to get it managed by the CPR3 driver.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
---
 drivers/clk/qcom/gcc-msm8998.c               | 20 ++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-msm8998.h |  1 +
 2 files changed, 21 insertions(+)

diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c
index d51c556851ca..c8d4c0348952 100644
--- a/drivers/clk/qcom/gcc-msm8998.c
+++ b/drivers/clk/qcom/gcc-msm8998.c
@@ -2160,6 +2160,25 @@ static struct clk_branch gcc_hmss_trig_clk = {
 	},
 };
 
+static struct freq_tbl ftbl_hmss_gpll0_clk_src[] = {
+	F( 300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
+	F( 600000000, P_GPLL0_OUT_MAIN, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 hmss_gpll0_clk_src = {
+	.cmd_rcgr = 0x4805c,
+	.hid_width = 5,
+	.parent_map = gcc_parent_map_1,
+	.freq_tbl = ftbl_hmss_gpll0_clk_src,
+	.clkr.hw.init = &(struct clk_init_data) {
+		.name = "hmss_gpll0_clk_src",
+		.parent_names = gcc_parent_names_1,
+		.num_parents = ARRAY_SIZE(gcc_parent_names_1),
+		.ops = &clk_rcg2_ops,
+	},
+};
+
 static struct clk_branch gcc_mmss_noc_cfg_ahb_clk = {
 	.halt_reg = 0x9004,
 	.halt_check = BRANCH_HALT,
@@ -2961,6 +2980,7 @@ static struct clk_regmap *gcc_msm8998_clocks[] = {
 	[GCC_MSS_SNOC_AXI_CLK] = &gcc_mss_snoc_axi_clk.clkr,
 	[GCC_MSS_MNOC_BIMC_AXI_CLK] = &gcc_mss_mnoc_bimc_axi_clk.clkr,
 	[GCC_MMSS_GPLL0_CLK] = &gcc_mmss_gpll0_clk.clkr,
+	[HMSS_GPLL0_CLK_SRC] = &hmss_gpll0_clk_src.clkr,
 };
 
 static struct gdsc *gcc_msm8998_gdscs[] = {
diff --git a/include/dt-bindings/clock/qcom,gcc-msm8998.h b/include/dt-bindings/clock/qcom,gcc-msm8998.h
index 47ca17df780b..72c99e486d86 100644
--- a/include/dt-bindings/clock/qcom,gcc-msm8998.h
+++ b/include/dt-bindings/clock/qcom,gcc-msm8998.h
@@ -185,6 +185,7 @@
 #define GCC_BIMC_GFX_CLK					176
 #define UFS_UNIPRO_CORE_CLK_SRC					177
 #define GCC_MMSS_GPLL0_CLK					178
+#define HMSS_GPLL0_CLK_SRC					179
 
 #define PCIE_0_GDSC						0
 #define UFS_GDSC						1
-- 
2.29.2