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

From: Svyatoslav Ryhel
Date: Mon Aug 07 2023 - 10:35:55 EST


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@xxxxxxxxx> # ASUS TF T30
Tested-by: Robert Eckelmann <longnoserob@xxxxxxxxx> # ASUS TF101 T20
Tested-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> # ASUS TF201 T30
Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
.../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@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 {
+ 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@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 {
+ 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