diff mbox series

[v2,5/6] arm64: dts: qcom: qcm2290: declare VLS CLAMP register for USB3 PHY

Message ID 20240117-usbc-phy-vls-clamp-v2-5-a950c223f10f@linaro.org (mailing list archive)
State Accepted
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 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@linaro.org>
---
 arch/arm64/boot/dts/qcom/qcm2290.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Konrad Dybcio Jan. 18, 2024, 11:22 a.m. UTC | #1 
On 1/17/24 15:04, Dmitry Baryshkov wrote:
> 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@linaro.org>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
index 0911fb08ed63..89beac833d43 100644
--- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
@@ -442,6 +442,11 @@  tcsr_mutex: hwlock@340000 {
 			#hwlock-cells = <1>;
 		};
 
+		tcsr_regs: syscon@3c0000 {
+			compatible = "qcom,qcm2290-tcsr", "syscon";
+			reg = <0x0 0x003c0000 0x0 0x40000>;
+		};
+
 		tlmm: pinctrl@500000 {
 			compatible = "qcom,qcm2290-tlmm";
 			reg = <0x0 0x00500000 0x0 0x300000>;
@@ -690,6 +695,8 @@  usb_qmpphy: phy@1615000 {
 
 			#phy-cells = <0>;
 
+			qcom,tcsr-reg = <&tcsr_regs 0xb244>;
+
 			status = "disabled";
 		};