arm64: dts: mediatek: mt8390-genio-common: Enable HDMI output

Add a node for the HDMI-A connector found on this board, then
configure the display pipeline and enable the required DPI1
interface, HDMI controller, its integrated DDC and the HDMI
PHY to enable support for the HDMI output provided by these EVKs.

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/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index a2cdecd2b9034e2f295d817e846d6ed1845e686a..5fa1f5fbad18f2bf9b153ae9a029829641e43023 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -55,6 +55,20 @@
                wakeup-delay-ms = <30>;
        };
 
+       connector {
+               compatible = "hdmi-connector";
+               label = "hdmi";
+               type = "a";
+               ddc-i2c-bus = <&hdmi_ddc>;
+               hdmi-pwr-supply = <&hdmi_phy>;
+
+               port {
+                       hdmi_connector_in: endpoint {
+                               remote-endpoint = <&hdmi0_out>;
+                       };
+               };
+       };
+
        firmware {
                optee {
                        compatible = "linaro,optee-tz";
@@ -328,6 +342,18 @@
        remote-endpoint = <&dsi0_in>;
 };
 
+&dpi1 {
+       status = "okay";
+};
+
+&dpi1_in {
+       remote-endpoint = <&merge5_out>;
+};
+
+&dpi1_out {
+       remote-endpoint = <&hdmi0_in>;
+};
+
 &gamma0_out {
        remote-endpoint = <&postmask0_in>;
 };
@@ -337,6 +363,55 @@
        status = "okay";
 };
 
+&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>;
+                       };
+               };
+       };
+};
+
+&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";
+};
+
 &i2c0 {
        pinctrl-names = "default";
        pinctrl-0 = <&i2c0_pins>;
@@ -475,6 +550,35 @@
        status = "okay";
 };
 
+&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 = <&mt6359_vproc2_buck_reg>;
 };
@@ -727,6 +831,31 @@
                };
        };
 
+       hdmi_vreg_pins: hdmi-vreg-pins {
+               pins-pwr {
+                       pinmux = <PINMUX_GPIO50__FUNC_O_HDMITX20_PWR5V>;
+                       bias-disable;
+               };
+       };
+
+       hdmi_pins: hdmi-pins {
+               pins-hotplug {
+                       pinmux = <PINMUX_GPIO51__FUNC_I0_HDMITX20_HTPLG>;
+                       bias-pull-down;
+               };
+
+               pins-cec {
+                       pinmux = <PINMUX_GPIO52__FUNC_B1_HDMITX20_CEC>;
+                       bias-disable;
+               };
+
+               pins-ddc {
+                       pinmux = <PINMUX_GPIO53__FUNC_B1_HDMITX20_SCL>,
+                                <PINMUX_GPIO54__FUNC_B1_HDMITX20_SDA>;
+                       drive-strength = <10>;
+               };
+       };
+
        i2c0_pins: i2c0-pins {
                pins {
                        pinmux = <PINMUX_GPIO56__FUNC_B1_SDA0>,
@@ -1286,6 +1415,18 @@
        };
 };
 
+&vdosys1 {
+       port {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vdosys1_ep_ext: endpoint@1 {
+                       reg = <1>;
+                       remote-endpoint = <&ethdr0_in>;
+               };
+       };
+};
+
 &xhci0 {
        status = "okay";
 };