diff mbox series

[3/3] arm64: dts: qcom: x1e80100-qcp: Enable external DP support

Message ID 20241212-x1e80100-qcp-dp-v1-3-37cb362a0dfe@linaro.org (mailing list archive)
State New
Headers show
Series Add FSUSB42 USB switch and external DP for Qualcomm X1E80100 QCP | expand

Commit Message

Stephan Gerhold Dec. 12, 2024, 1:08 p.m. UTC 
Now that the FSUSB42 USB switches are described, enable support for DP on
the three USB-C ports of the X1E80100 QCP. It supports up to 4 lanes, but
for now we need to limit this to 2 lanes due to limitations in the USB/DP
combo PHY driver. The same limitation also exists on other boards upstream.

Co-developed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
---
 arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Comments

Konrad Dybcio Dec. 12, 2024, 3:09 p.m. UTC | #1 
On 12.12.2024 2:08 PM, Stephan Gerhold wrote:
> Now that the FSUSB42 USB switches are described, enable support for DP on
> the three USB-C ports of the X1E80100 QCP. It supports up to 4 lanes, but
> for now we need to limit this to 2 lanes due to limitations in the USB/DP
> combo PHY driver. The same limitation also exists on other boards upstream.
> 
> Co-developed-by: Abel Vesa <abel.vesa@linaro.org>
> Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
index cc0561debdb0b5c89f5d7f298d34f1feaf183b61..f45df1396eae55896a66e140b7db96c6089fbe38 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
@@ -711,6 +711,30 @@  &mdss {
 	status = "okay";
 };
 
+&mdss_dp0 {
+	status = "okay";
+};
+
+&mdss_dp0_out {
+	data-lanes = <0 1>;
+};
+
+&mdss_dp1 {
+	status = "okay";
+};
+
+&mdss_dp1_out {
+	data-lanes = <0 1>;
+};
+
+&mdss_dp2 {
+	status = "okay";
+};
+
+&mdss_dp2_out {
+	data-lanes = <0 1>;
+};
+
 &mdss_dp3 {
 	compatible = "qcom,x1e80100-dp";
 	/delete-property/ #sound-dai-cells;