arm64: dts: imx8mn-evk: Add HDMI support

imx8mn-evk has a MIPI DSI port that can be used with a ADV7535 MIPI
DSI to HDMI bridge.

Add support for it.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index f48f854..0643113 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@ -23,6 +23,18 @@
                };
        };
 
+       hdmi-connector {
+               compatible = "hdmi-connector";
+               label = "hdmi";
+               type = "a";
+
+               port {
+                       hdmi_connector_in: endpoint {
+                               remote-endpoint = <&adv7533_out>;
+                       };
+               };
+       };
+
        memory@40000000 {
                device_type = "memory";
                reg = <0x0 0x40000000 0 0x80000000>;
@@ -167,6 +179,41 @@
        sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
        status = "okay";
 
+       hdmi@3d {
+               compatible = "adi,adv7535";
+               reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
+               reg-names = "main", "cec", "edid", "packet";
+               adi,dsi-lanes = <4>;
+
+               adi,input-depth = <8>;
+               adi,input-colorspace = "rgb";
+               adi,input-clock = "1x";
+               adi,input-style = <1>;
+               adi,input-justification = "evenly";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               adv7533_in: endpoint {
+                                       remote-endpoint = <&dsi_out>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+
+                               adv7533_out: endpoint {
+                                       remote-endpoint = <&hdmi_connector_in>;
+                               };
+                       };
+
+               };
+       };
+
        ptn5110: tcpc@50 {
                compatible = "nxp,ptn5110";
                pinctrl-names = "default";
@@ -214,6 +261,26 @@
        };
 };
 
+&lcdif {
+       status = "okay";
+};
+
+&mipi_dsi {
+       samsung,esc-clock-frequency = <10000000>;
+       status = "okay";
+
+       ports {
+               port@1 {
+                       reg = <1>;
+
+                       dsi_out: endpoint {
+                               remote-endpoint = <&adv7533_in>;
+                               data-lanes = <1 2 3 4>;
+                       };
+               };
+       };
+};
+
 &sai2 {
        #sound-dai-cells = <0>;
        pinctrl-names = "default";