linux-kernel - [PATCH 4/4] clk: qcom: tcsrcc-sm8650: Add support for SM7635 SoC

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Message-Id: <20250625-sm7635-clocks-misc-v1-4-45fea645d39b@fairphone.com>
Date: Wed, 25 Jun 2025 11:12:50 +0200
From: Luca Weiss <luca.weiss@...rphone.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>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 4/4] clk: qcom: tcsrcc-sm8650: Add support for SM7635 SoC

The SM7635 has a very similar tcsrcc block, only TCSR_UFS_CLKREF_EN uses
different regs, and both TCSR_USB2_CLKREF_EN and TCSR_USB3_CLKREF_EN are
not present.

Modify these resources at probe if we're probing for sm7635.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 drivers/clk/qcom/tcsrcc-sm8650.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/clk/qcom/tcsrcc-sm8650.c b/drivers/clk/qcom/tcsrcc-sm8650.c
index 11c7d6df48c7b39f661cc4c2df30387836d2ca60..3829d4b283480b96cd0ec0d4bfa78777359730d9 100644
--- a/drivers/clk/qcom/tcsrcc-sm8650.c
+++ b/drivers/clk/qcom/tcsrcc-sm8650.c
@@ -148,6 +148,7 @@ static const struct qcom_cc_desc tcsr_cc_sm8650_desc = {
 };
 
 static const struct of_device_id tcsr_cc_sm8650_match_table[] = {
+	{ .compatible = "qcom,sm7635-tcsr" },
 	{ .compatible = "qcom,sm8650-tcsr" },
 	{ }
 };
@@ -155,6 +156,13 @@ MODULE_DEVICE_TABLE(of, tcsr_cc_sm8650_match_table);
 
 static int tcsr_cc_sm8650_probe(struct platform_device *pdev)
 {
+	if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm7635-tcsr")) {
+		tcsr_ufs_clkref_en.halt_reg = 0x31118;
+		tcsr_ufs_clkref_en.clkr.enable_reg = 0x31118;
+		tcsr_cc_sm8650_clocks[TCSR_USB2_CLKREF_EN] = NULL;
+		tcsr_cc_sm8650_clocks[TCSR_USB3_CLKREF_EN] = NULL;
+	}
+
 	return qcom_cc_probe(pdev, &tcsr_cc_sm8650_desc);
 }
 

-- 
2.50.0