arm64: tegra: smaug: Enable DisplayPort via USB-C port

[PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port

Posted by Diogo Ivo 1 month, 1 week ago

Enable both SOR and DPAUX modules allowing the USB-C port to transmit
video in DP altmode. Tested on several monitors with USB-C to HDMI
adapter.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
---
 arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 49bf23d6f593..b88428aa831e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -31,6 +31,11 @@ memory@80000000 {
 	};
 
 	host1x@50000000 {
+		dpaux1: dpaux@54040000 {
+			vdd-supply = <&pp3300>;
+			status = "okay";
+		};
+
 		dsia: dsi@54300000 {
 			avdd-dsi-csi-supply = <&vdd_dsi_csi>;
 			status = "okay";
@@ -58,6 +63,13 @@ link1: panel@0 {
 			};
 		};
 
+		sor1: sor@54580000 {
+			avdd-io-hdmi-dp-supply = <&pp1800>;
+			vdd-hdmi-dp-pll-supply = <&avddio_1v05>;
+			nvidia,dpaux = <&dpaux1>;
+			status = "okay";
+		};
+
 		dpaux: dpaux@545c0000 {
 			status = "okay";
 		};

---
base-commit: c100317dc8c40c71bfb572353d87ca1735d39fd5
change-id: 20251226-smaug-typec_dp-197201aaadae

Best regards,
-- 
Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>

Re: [PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port

Posted by Thierry Reding 3 weeks ago

From: Thierry Reding <treding@nvidia.com>


On Fri, 26 Dec 2025 12:17:32 +0000, Diogo Ivo wrote:
> Enable both SOR and DPAUX modules allowing the USB-C port to transmit
> video in DP altmode. Tested on several monitors with USB-C to HDMI
> adapter.
> 
> 

Applied, thanks!

[1/1] arm64: tegra: smaug: Enable DisplayPort via USB-C port
      (no commit info)

Best regards,
-- 
Thierry Reding <treding@nvidia.com>

Re: [PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port

Posted by Diogo Ivo 3 weeks, 4 days ago

Hello,

On 12/26/25 12:17, Diogo Ivo wrote:
> Enable both SOR and DPAUX modules allowing the USB-C port to transmit
> video in DP altmode. Tested on several monitors with USB-C to HDMI
> adapter.
> 
> Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
> ---
>   arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> index 49bf23d6f593..b88428aa831e 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> @@ -31,6 +31,11 @@ memory@80000000 {
>   	};
>   
>   	host1x@50000000 {
> +		dpaux1: dpaux@54040000 {
> +			vdd-supply = <&pp3300>;
> +			status = "okay";
> +		};
> +
>   		dsia: dsi@54300000 {
>   			avdd-dsi-csi-supply = <&vdd_dsi_csi>;
>   			status = "okay";
> @@ -58,6 +63,13 @@ link1: panel@0 {
>   			};
>   		};
>   
> +		sor1: sor@54580000 {
> +			avdd-io-hdmi-dp-supply = <&pp1800>;
> +			vdd-hdmi-dp-pll-supply = <&avddio_1v05>;
> +			nvidia,dpaux = <&dpaux1>;
> +			status = "okay";
> +		};
> +
>   		dpaux: dpaux@545c0000 {
>   			status = "okay";
>   		};
> 
> ---
> base-commit: c100317dc8c40c71bfb572353d87ca1735d39fd5
> change-id: 20251226-smaug-typec_dp-197201aaadae

Gentle ping on this patch.

Thank you,
Diogo