linux-kernel - [PATCH 6.8 155/715] arm64: dts: qcom: qcm2290: declare VLS CLAMP register for USB3 PHY

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Message-ID: <20240324223455.1342824-156-sashal@kernel.org>
Date: Sun, 24 Mar 2024 18:25:34 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.8 155/715] arm64: dts: qcom: qcm2290: declare VLS CLAMP register for USB3 PHY

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

[ Upstream commit acb94d67f5a23dbb2e0021b6c30609ed05d7d6a5 ]

The USB3 PHY on the QCM2290 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: 0c55f6229bc3 ("arm64: dts: qcom: qcm2290: Add USB3 PHY")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Link: https://lore.kernel.org/r/20240117-usbc-phy-vls-clamp-v2-5-a950c223f10f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/qcom/qcm2290.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
index 0911fb08ed632..89beac833d435 100644
--- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
@@ -442,6 +442,11 @@ tcsr_mutex: hwlock@...000 {
 			#hwlock-cells = <1>;
 		};
 
+		tcsr_regs: syscon@...000 {
+			compatible = "qcom,qcm2290-tcsr", "syscon";
+			reg = <0x0 0x003c0000 0x0 0x40000>;
+		};
+
 		tlmm: pinctrl@...000 {
 			compatible = "qcom,qcm2290-tlmm";
 			reg = <0x0 0x00500000 0x0 0x300000>;
@@ -690,6 +695,8 @@ usb_qmpphy: phy@...5000 {
 
 			#phy-cells = <0>;
 
+			qcom,tcsr-reg = <&tcsr_regs 0xb244>;
+
 			status = "disabled";
 		};
 
-- 
2.43.0