[PATCH v2 2/2] ARM: tegra: transformers: add connector node

Svyatoslav Ryhel clamor95 at gmail.com
Sun Jun 18 08:50:46 UTC 2023


All ASUS Transformers have micro-HDMI connector directly available.
After Tegra HDMI got bridge/connector support, we should use connector
framework for proper HW description.

Tested-by: Andreas Westman Dorcsak <hedmoo at yahoo.com> # ASUS TF T30
Tested-by: Robert Eckelmann <longnoserob at gmail.com> # ASUS TF101 T20
Tested-by: Svyatoslav Ryhel <clamor95 at gmail.com> # ASUS TF201 T30
Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
---
 arch/arm/boot/dts/tegra20-asus-tf101.dts      | 22 ++++++++++++++++---
 .../dts/tegra30-asus-transformer-common.dtsi  | 21 ++++++++++++++++--
 2 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/tegra20-asus-tf101.dts b/arch/arm/boot/dts/tegra20-asus-tf101.dts
index c2a9c3fb5b33..97350f566539 100644
--- a/arch/arm/boot/dts/tegra20-asus-tf101.dts
+++ b/arch/arm/boot/dts/tegra20-asus-tf101.dts
@@ -82,9 +82,11 @@ hdmi at 54280000 {
 			pll-supply = <&hdmi_pll_reg>;
 			hdmi-supply = <&vdd_hdmi_en>;
 
-			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
-			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
-				GPIO_ACTIVE_HIGH>;
+			port at 0 {
+				hdmi_out: endpoint {
+					remote-endpoint = <&connector_in>;
+				};
+			};
 		};
 	};
 
@@ -963,6 +965,20 @@ clk32k_in: clock-32k-in {
 		#clock-cells = <0>;
 	};
 
+	connector {
+		compatible = "hdmi-connector";
+		type = "d";
+
+		hpd-gpios = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
+		ddc-i2c-bus = <&hdmi_ddc>;
+
+		port {
+			connector_in: endpoint {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+	};
+
 	cpus {
 		cpu0: cpu at 0 {
 			cpu-supply = <&vdd_cpu>;
diff --git a/arch/arm/boot/dts/tegra30-asus-transformer-common.dtsi b/arch/arm/boot/dts/tegra30-asus-transformer-common.dtsi
index bdb898ad6262..153d34a012bd 100644
--- a/arch/arm/boot/dts/tegra30-asus-transformer-common.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-transformer-common.dtsi
@@ -80,8 +80,11 @@ hdmi: hdmi at 54280000 {
 			pll-supply = <&vdd_1v8_vio>;
 			vdd-supply = <&vdd_3v3_sys>;
 
-			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
-			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
+			port at 0 {
+				hdmi_out: endpoint {
+					remote-endpoint = <&connector_in>;
+				};
+			};
 		};
 	};
 
@@ -1492,6 +1495,20 @@ clk32k_in: clock-32k {
 		clock-output-names = "pmic-oscillator";
 	};
 
+	connector {
+		compatible = "hdmi-connector";
+		type = "d";
+
+		hpd-gpios = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
+		ddc-i2c-bus = <&hdmi_ddc>;
+
+		port {
+			connector_in: endpoint {
+				remote-endpoint = <&hdmi_out>;
+			};
+		};
+	};
+
 	cpus {
 		cpu0: cpu at 0 {
 			cpu-supply = <&vdd_cpu>;
-- 
2.39.2



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