Thread (3 messages) 3 messages, 2 authors, 2026-01-17

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

From: Diogo Ivo <hidden>
Date: 2026-01-12 13:51:47
Also in: linux-tegra, lkml

Hello,

On 12/26/25 12:17, Diogo Ivo wrote:
quoted hunk ↗ jump to hunk
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 <redacted>
---
  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
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