[PATCH 5/9] clk: qcom: Update TCSR clock driver for Kaanapali
From: Jingyi Wang
Date: Wed Sep 24 2025 - 19:00:39 EST
From: Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
The TCSR clock controller found on Kaanapali provides refclks for PCIE, USB
and UFS. Update the SM8750 driver to fix the offsets for the clocks.
Signed-off-by: Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
Signed-off-by: Jingyi Wang <jingyi.wang@xxxxxxxxxxxxxxxx>
---
drivers/clk/qcom/tcsrcc-sm8750.c | 34 ++++++++++++++++++++++++++++++++--
1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/qcom/tcsrcc-sm8750.c b/drivers/clk/qcom/tcsrcc-sm8750.c
index 242e320986ef..f905f3824d7e 100644
--- a/drivers/clk/qcom/tcsrcc-sm8750.c
+++ b/drivers/clk/qcom/tcsrcc-sm8750.c
@@ -100,21 +100,51 @@ static const struct regmap_config tcsr_cc_sm8750_regmap_config = {
.fast_io = true,
};
+static const struct regmap_config tcsr_cc_kaanapali_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x18,
+ .fast_io = true,
+};
+
static const struct qcom_cc_desc tcsr_cc_sm8750_desc = {
.config = &tcsr_cc_sm8750_regmap_config,
.clks = tcsr_cc_sm8750_clocks,
.num_clks = ARRAY_SIZE(tcsr_cc_sm8750_clocks),
};
+static const struct qcom_cc_desc tcsr_cc_kaanapali_desc = {
+ .config = &tcsr_cc_kaanapali_regmap_config,
+ .clks = tcsr_cc_sm8750_clocks,
+ .num_clks = ARRAY_SIZE(tcsr_cc_sm8750_clocks),
+};
+
static const struct of_device_id tcsr_cc_sm8750_match_table[] = {
- { .compatible = "qcom,sm8750-tcsr" },
+ { .compatible = "qcom,kaanapali-tcsr", .data = &tcsr_cc_kaanapali_desc},
+ { .compatible = "qcom,sm8750-tcsr", .data = &tcsr_cc_sm8750_desc},
{ }
};
MODULE_DEVICE_TABLE(of, tcsr_cc_sm8750_match_table);
static int tcsr_cc_sm8750_probe(struct platform_device *pdev)
{
- return qcom_cc_probe(pdev, &tcsr_cc_sm8750_desc);
+ const struct qcom_cc_desc *desc;
+
+ desc = device_get_match_data(&pdev->dev);
+
+ if (device_is_compatible(&pdev->dev, "qcom,kaanapali-tcsr")) {
+ tcsr_ufs_clkref_en.halt_reg = 0x10;
+ tcsr_ufs_clkref_en.clkr.enable_reg = 0x10;
+
+ tcsr_usb2_clkref_en.halt_reg = 0x18;
+ tcsr_usb2_clkref_en.clkr.enable_reg = 0x18;
+
+ tcsr_usb3_clkref_en.halt_reg = 0x8;
+ tcsr_usb3_clkref_en.clkr.enable_reg = 0x8;
+ }
+
+ return qcom_cc_probe(pdev, desc);
}
static struct platform_driver tcsr_cc_sm8750_driver = {
--
2.25.1