diff mbox series

[v2,4/6] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY

Message ID 20240117-usbc-phy-vls-clamp-v2-4-a950c223f10f@linaro.org
State New
Headers show
Series phy: qcom: qmp-usbc: properly handle the clamping register | expand

Commit Message

Dmitry Baryshkov Jan. 17, 2024, 2:04 p.m. UTC 
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@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Jeffrey Hugo Jan. 26, 2024, 5:34 p.m. UTC | #1 
On 1/17/2024 7:04 AM, Dmitry Baryshkov wrote:
> 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@quicinc.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 2793cc22d381..317a91d669f8 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1072,6 +1072,11 @@  tcsr_regs_1: syscon@1f60000 {
 			reg = <0x01f60000 0x20000>;
 		};
 
+		tcsr_regs_2: syscon@1fc0000 {
+			compatible = "qcom,msm8998-tcsr", "syscon";
+			reg = <0x01fc0000 0x26000>;
+		};
+
 		tlmm: pinctrl@3400000 {
 			compatible = "qcom,msm8998-pinctrl";
 			reg = <0x03400000 0xc00000>;
@@ -2174,6 +2179,8 @@  usb3phy: phy@c010000 {
 			reset-names = "phy",
 				      "phy_phy";
 
+			qcom,tcsr-reg = <&tcsr_regs_2 0xb244>;
+
 			status = "disabled";
 		};