linux-kernel - [PATCH 6.1 129/451] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY

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Date: Sun, 24 Mar 2024 19:06:45 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Jeffrey Hugo <quic_jhugo@...cinc.com>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.1 129/451] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

[ Upstream commit fc835b2311d4deb85d776c1d73562338462aa7ac ]

The USB3 PHY on the MSM8998 platform doesn't have built-in
PCS_MISC_CLAMP_ENABLE register. Instead clamping is handled separately
via the register in the TCSR space. Declare corresponding register.

Fixes: 026dad8f5873 ("arm64: dts: qcom: msm8998: Add USB-related nodes")
Cc: Jeffrey Hugo <quic_jhugo@...cinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@...cinc.com>
Link: https://lore.kernel.org/r/20240117-usbc-phy-vls-clamp-v2-4-a950c223f10f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 6eef7cbe7d7bf..6c3aecea20370 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1052,6 +1052,11 @@ tcsr_regs_1: syscon@...0000 {
 			reg = <0x01f60000 0x20000>;
 		};
 
+		tcsr_regs_2: syscon@...0000 {
+			compatible = "qcom,msm8998-tcsr", "syscon";
+			reg = <0x01fc0000 0x26000>;
+		};
+
 		tlmm: pinctrl@...0000 {
 			compatible = "qcom,msm8998-pinctrl";
 			reg = <0x03400000 0xc00000>;
@@ -2058,6 +2063,8 @@ usb3phy: phy@...0000 {
 			reset-names = "phy",
 				      "phy_phy";
 
+			qcom,tcsr-reg = <&tcsr_regs_2 0xb244>;
+
 			status = "disabled";
 		};
 
-- 
2.43.0