linux-kernel - [PATCH v3 5/5] ARM: tegra: transformers: add connector node

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Date:   Mon,  7 Aug 2023 17:35:15 +0300
From:   Svyatoslav Ryhel <clamor95@...il.com>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Svyatoslav Ryhel <clamor95@...il.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/5] ARM: tegra: transformers: add connector node

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@...oo.com> # ASUS TF T30
Tested-by: Robert Eckelmann <longnoserob@...il.com> # ASUS TF101 T20
Tested-by: Svyatoslav Ryhel <clamor95@...il.com> # ASUS TF201 T30
Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 .../boot/dts/nvidia/tegra20-asus-tf101.dts    | 22 ++++++++++++++++---
 .../tegra30-asus-transformer-common.dtsi      | 21 ++++++++++++++++--
 2 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/nvidia/tegra20-asus-tf101.dts b/arch/arm/boot/dts/nvidia/tegra20-asus-tf101.dts
index e118809dc6d9..cd6acbea0318 100644
--- a/arch/arm/boot/dts/nvidia/tegra20-asus-tf101.dts
+++ b/arch/arm/boot/dts/nvidia/tegra20-asus-tf101.dts
@@ -82,9 +82,11 @@ hdmi@...80000 {
 			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 {
+				hdmi_out: endpoint {
+					remote-endpoint = <&connector_in>;
+				};
+			};
 		};
 	};
 
@@ -967,6 +969,20 @@ 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@0 {
 			cpu-supply = <&vdd_cpu>;
diff --git a/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi b/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi
index ead95306840f..9b658b3de7a4 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi
@@ -80,8 +80,11 @@ hdmi: hdmi@...80000 {
 			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 {
+				hdmi_out: endpoint {
+					remote-endpoint = <&connector_in>;
+				};
+			};
 		};
 	};
 
@@ -1494,6 +1497,20 @@ 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@0 {
 			cpu-supply = <&vdd_cpu>;
-- 
2.39.2