[PATCH 28/48] clk: qcom: gcc-sm7150: Use common clock controller probe data
From: Abel Vesa
Date: Wed Sep 16 2026 - 07:00:28 EST
Move the always-on branch register offsets into a critical_cbcrs array,
describe the DFS RCGs through qcom_cc_driver_data and move the register
programming into the clk_regs_configure callback.
Use qcom_cc_probe() to perform the common initialization instead of
open-coding it in the driver's probe.
Assisted-by: LLM
Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
---
drivers/clk/qcom/gcc-sm7150.c | 60 +++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 31 deletions(-)
diff --git a/drivers/clk/qcom/gcc-sm7150.c b/drivers/clk/qcom/gcc-sm7150.c
index dcb5d82a1a31..9fec45a4837c 100644
--- a/drivers/clk/qcom/gcc-sm7150.c
+++ b/drivers/clk/qcom/gcc-sm7150.c
@@ -2966,7 +2966,35 @@ static const struct regmap_config gcc_sm7150_regmap_config = {
.fast_io = true,
};
+static const u32 gcc_sm7150_critical_cbcrs[] = {
+ 0x48004, /* GCC_CPUSS_GNOC_CLK */
+ 0x0b004, /* GCC_VIDEO_AHB_CLK */
+ 0x0b008, /* GCC_CAMERA_AHB_CLK */
+ 0x0b00c, /* GCC_DISP_AHB_CLK */
+ 0x0b02c, /* GCC_CAMERA_XO_CLK */
+ 0x0b028, /* GCC_VIDEO_XO_CLK */
+ 0x0b030, /* GCC_DISP_XO_CLK */
+ 0x71004, /* GCC_GPU_CFG_AHB_CLK */
+};
+
+static void gcc_sm7150_regs_configure(struct device *dev, struct regmap *regmap)
+{
+ /* Disable the GPLL0 active input to MM blocks, NPU and GPU via MISC registers. */
+ regmap_update_bits(regmap, 0x09ffc, 0x3, 0x3);
+ regmap_update_bits(regmap, 0x4d110, 0x3, 0x3);
+ regmap_update_bits(regmap, 0x71028, 0x3, 0x3);
+}
+
+static const struct qcom_cc_driver_data gcc_sm7150_driver_data = {
+ .clk_cbcrs = gcc_sm7150_critical_cbcrs,
+ .num_clk_cbcrs = ARRAY_SIZE(gcc_sm7150_critical_cbcrs),
+ .dfs_rcgs = gcc_sm7150_dfs_desc,
+ .num_dfs_rcgs = ARRAY_SIZE(gcc_sm7150_dfs_desc),
+ .clk_regs_configure = gcc_sm7150_regs_configure,
+};
+
static const struct qcom_cc_desc gcc_sm7150_desc = {
+ .driver_data = &gcc_sm7150_driver_data,
.config = &gcc_sm7150_regmap_config,
.clk_hws = gcc_sm7150_hws,
.num_clk_hws = ARRAY_SIZE(gcc_sm7150_hws),
@@ -2986,37 +3014,7 @@ MODULE_DEVICE_TABLE(of, gcc_sm7150_match_table);
static int gcc_sm7150_probe(struct platform_device *pdev)
{
- struct regmap *regmap;
- int ret;
-
- regmap = qcom_cc_map(pdev, &gcc_sm7150_desc);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
- /*
- * Disable the GPLL0 active input to MM blocks, NPU
- * and GPU via MISC registers.
- */
- regmap_update_bits(regmap, 0x09ffc, 0x3, 0x3);
- regmap_update_bits(regmap, 0x4d110, 0x3, 0x3);
- regmap_update_bits(regmap, 0x71028, 0x3, 0x3);
-
- /* Keep some clocks always-on */
- qcom_branch_set_clk_en(regmap, 0x48004); /* GCC_CPUSS_GNOC_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b004); /* GCC_VIDEO_AHB_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b008); /* GCC_CAMERA_AHB_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b00c); /* GCC_DISP_AHB_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b02c); /* GCC_CAMERA_XO_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b028); /* GCC_VIDEO_XO_CLK */
- qcom_branch_set_clk_en(regmap, 0x0b030); /* GCC_DISP_XO_CLK */
- qcom_branch_set_clk_en(regmap, 0x71004); /* GCC_GPU_CFG_AHB_CLK */
-
- ret = qcom_cc_register_rcg_dfs(regmap, gcc_sm7150_dfs_desc,
- ARRAY_SIZE(gcc_sm7150_dfs_desc));
- if (ret)
- return ret;
-
- return qcom_cc_really_probe(&pdev->dev, &gcc_sm7150_desc, regmap);
+ return qcom_cc_probe(pdev, &gcc_sm7150_desc);
}
static struct platform_driver gcc_sm7150_driver = {
--
2.54.0