arm64: dts: renesas: ulcb-kf: Add KF HDMI output

This patch adds nodes needed to enable DRM video output over the HDMI
connector located on the Kingfisher board.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Link: https://lore.kernel.org/r/20211225115308.2152364-1-nikita.yoush@cogentembedded.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 61bd4df..222097d 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -26,6 +26,31 @@
                select-gpios = <&gpio_exp_75 13 GPIO_ACTIVE_HIGH>;
        };
 
+       hdmi1-out {
+               compatible = "hdmi-connector";
+               type = "a";
+
+               port {
+                       hdmi1_con: endpoint {
+                               remote-endpoint = <&adv7513_out>;
+                       };
+               };
+       };
+
+       hdmi_1v8: regulator-hdmi-1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "hdmi-1v8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+       };
+
+       hdmi_3v3: regulator-hdmi-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "hdmi-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
        snd_3p3v: regulator-snd_3p3v {
                compatible = "regulator-fixed";
                regulator-name = "snd-3.3v";
@@ -65,6 +90,10 @@
        status = "okay";
 };
 
+&du_out_rgb {
+       remote-endpoint = <&adv7513_in>;
+};
+
 &ehci0 {
        dr_mode = "otg";
        status = "okay";
@@ -91,6 +120,58 @@
                reg = <0x71>;
                reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
 
+               /* HDMIoSDA, HDMIoSCL */
+               i2c@4 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <4>;
+
+                       hdmi@3d {
+                               compatible = "adi,adv7513";
+                               reg = <0x3d>;
+
+                               pinctrl-0 = <&hdmi1_pins>;
+                               pinctrl-names = "default";
+
+                               interrupt-parent = <&gpio2>;
+                               interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
+
+                               clocks = <&cs2000>;
+                               clock-names = "cec";
+
+                               pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>;
+
+                               avdd-supply = <&hdmi_1v8>;
+                               dvdd-supply = <&hdmi_1v8>;
+                               pvdd-supply = <&hdmi_1v8>;
+                               dvdd-3v-supply = <&hdmi_3v3>;
+                               bgvdd-supply = <&hdmi_1v8>;
+
+                               adi,input-depth = <8>;
+                               adi,input-colorspace = "rgb";
+                               adi,input-clock = "1x";
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       port@0 {
+                                               reg = <0>;
+                                               adv7513_in: endpoint {
+                                                       remote-endpoint = <&du_out_rgb>;
+                                               };
+                                       };
+
+                                       port@1 {
+                                               reg = <1>;
+                                               adv7513_out: endpoint {
+                                                       remote-endpoint = <&hdmi1_con>;
+                                               };
+                                       };
+                               };
+                       };
+               };
+
                /* Audio_SDA, Audio_SCL */
                i2c@7 {
                        #address-cells = <1>;
@@ -264,6 +345,19 @@
                function = "can1";
        };
 
+       hdmi1_pins: hdmi1 {
+               adv7513-interrupt {
+                       pins = "GP_2_14";
+                       bias-pull-up;
+               };
+
+               du {
+                       groups = "du_rgb888", "du_sync", "du_clk_out_0",
+                                "du_disp";
+                       function = "du";
+               };
+       };
+
        hscif0_pins: hscif0 {
                groups = "hscif0_data", "hscif0_ctrl";
                function = "hscif0";