linux-kernel - [PATCH 5/9] clk: qcom: Update TCSR clock driver for Kaanapali

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Message-Id: <20250924-knp-clk-v1-5-29b02b818782@oss.qualcomm.com>
Date: Wed, 24 Sep 2025 15:58:57 -0700
From: Jingyi Wang <jingyi.wang@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Taniya Das <quic_tdas@...cinc.com>,
        Taniya Das <taniya.das@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jingyi Wang <jingyi.wang@....qualcomm.com>, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com
Subject: [PATCH 5/9] clk: qcom: Update TCSR clock driver for Kaanapali

From: Taniya Das <taniya.das@....qualcomm.com>

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@....qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
---
 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