arm64: dts: mediatek: mt8395-radxa-nio-12l: Enable HDMI output

Add a definition for the on-board HDMI connector, enable and add
the relevant configuration for the HDMI PHY and controller, and
define the pins used by those.

Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
index d32f973f5e0528bc3233ff01f029006dbe6ef894..b0e18876bd5d2341c6f17f47e9f11433be807ccd 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
@@ -37,6 +37,20 @@
                stdout-path = "serial0:921600n8";
        };
 
+       connector {
+               compatible = "hdmi-connector";
+               label = "hdmi";
+               type = "a";
+               ddc-i2c-bus = <&hdmitx_ddc>;
+               hdmi-pwr-supply = <&hdmi_phy>;
+
+               port {
+                       hdmi_connector_in: endpoint {
+                               remote-endpoint = <&hdmi0_out>;
+                       };
+               };
+       };
+
        firmware {
                optee {
                        compatible = "linaro,optee-tz";
@@ -245,6 +259,18 @@
        };
 };
 
+&dpi1 {
+       status = "okay";
+};
+
+&dpi1_in {
+       remote-endpoint = <&merge5_out>;
+};
+
+&dpi1_out {
+       remote-endpoint = <&hdmi0_in>;
+};
+
 &eth {
        phy-mode = "rgmii-rxid";
        phy-handle = <&rgmii_phy>;
@@ -265,11 +291,61 @@
        };
 };
 
+&ethdr0 {
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+
+                       ethdr0_in: endpoint@1 {
+                               reg = <1>;
+                               remote-endpoint = <&vdosys1_ep_ext>;
+                       };
+               };
+
+               port@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+
+                       ethdr0_out: endpoint@1 {
+                               reg = <1>;
+                               remote-endpoint = <&merge5_in>;
+                       };
+               };
+       };
+};
+
 &gpu {
        mali-supply = <&mt6315_7_vbuck1>;
        status = "okay";
 };
 
+&hdmi {
+       pinctrl-names = "default";
+       pinctrl-0 = <&hdmi_pins>;
+       status = "okay";
+};
+
+&hdmi0_in {
+       remote-endpoint = <&dpi1_out>;
+};
+
+&hdmi0_out {
+       remote-endpoint = <&hdmi_connector_in>;
+};
+
+&hdmi_phy {
+       pinctrl-names = "default";
+       pinctrl-0 = <&hdmi_vreg_pins>;
+
+       status = "okay";
+};
+
 &i2c2 {
        clock-frequency = <400000>;
        pinctrl-0 = <&i2c2_pins>;
@@ -448,6 +524,35 @@
        };
 };
 
+&merge5 {
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+
+                       merge5_in: endpoint@1 {
+                               reg = <1>;
+                               remote-endpoint = <&ethdr0_out>;
+                       };
+               };
+
+               port@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+
+                       merge5_out: endpoint@1 {
+                               reg = <1>;
+                               remote-endpoint = <&dpi1_in>;
+                       };
+               };
+       };
+};
+
 &mfg0 {
        domain-supply = <&mt6315_7_vbuck1>;
 };
@@ -647,6 +752,31 @@
                };
        };
 
+       hdmi_vreg_pins: hdmi-vreg-pins {
+               pins-pwr {
+                       pinmux = <PINMUX_GPIO31__FUNC_HDMITX20_PWR5V>;
+                       bias-disable;
+               };
+       };
+
+       hdmi_pins: hdmi-pins {
+               pins-hotplug {
+                       pinmux = <PINMUX_GPIO32__FUNC_HDMITX20_HTPLG>;
+                       bias-pull-down;
+               };
+
+               pins-ddc {
+                       pinmux = <PINMUX_GPIO34__FUNC_HDMITX20_SCL>,
+                                <PINMUX_GPIO35__FUNC_HDMITX20_SDA>;
+                       drive-strength = <10>;
+               };
+
+               pins-cec {
+                       pinmux = <PINMUX_GPIO33__FUNC_HDMITX20_CEC>;
+                       bias-disable;
+               };
+       };
+
        i2c2_pins: i2c2-pins {
                pins-bus {
                        pinmux = <PINMUX_GPIO12__FUNC_SDA2>,
@@ -1058,6 +1188,18 @@
        status = "okay";
 };
 
+&vdosys1 {
+       port {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vdosys1_ep_ext: endpoint@1 {
+                       reg = <1>;
+                       remote-endpoint = <&ethdr0_in>;
+               };
+       };
+};
+
 &xhci0 {
        vbus-supply = <&otg_vbus_regulator>;
        status = "okay";