arm64: dts: renesas: falcon-cpu: Add DSI display output

Provide the display output using the sn65dsi86 MIPI DSI bridge.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20211130164311.2909616-3-kieran.bingham+renesas@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
index cd2f0d60f21a1fbe58b18ddf6d0c28d4e07d956c..6af3f4f4f2682bdda4ac6557ed6da4f084a24d28 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
@@ -98,6 +98,27 @@
                reg = <0x7 0x00000000 0x0 0x80000000>;
        };
 
+       mini-dp-con {
+               compatible = "dp-connector";
+               label = "CN5";
+               type = "mini";
+
+               port {
+                       mini_dp_con_in: endpoint {
+                               remote-endpoint = <&sn65dsi86_out>;
+                       };
+               };
+       };
+
+       reg_1p2v: regulator-1p2v {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-1.2V";
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
        reg_1p8v: regulator-1p8v {
                compatible = "regulator-fixed";
                regulator-name = "fixed-1.8V";
@@ -115,6 +136,29 @@
                regulator-boot-on;
                regulator-always-on;
        };
+
+       sn65dsi86_refclk: clk-x6 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <38400000>;
+       };
+};
+
+&dsi0 {
+       status = "okay";
+
+       ports {
+               port@1 {
+                       dsi0_out: endpoint {
+                               remote-endpoint = <&sn65dsi86_in>;
+                               data-lanes = <1 2 3 4>;
+                       };
+               };
+       };
+};
+
+&du {
+       status = "okay";
 };
 
 &extal_clk {
@@ -146,6 +190,41 @@
 
        status = "okay";
        clock-frequency = <400000>;
+
+       bridge@2c {
+               compatible = "ti,sn65dsi86";
+               reg = <0x2c>;
+
+               clocks = <&sn65dsi86_refclk>;
+               clock-names = "refclk";
+
+               interrupt-parent = <&gpio1>;
+               interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
+
+               vccio-supply = <&reg_1p8v>;
+               vpll-supply = <&reg_1p8v>;
+               vcca-supply = <&reg_1p2v>;
+               vcc-supply = <&reg_1p2v>;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               sn65dsi86_in: endpoint {
+                                       remote-endpoint = <&dsi0_out>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+                               sn65dsi86_out: endpoint {
+                                       remote-endpoint = <&mini_dp_con_in>;
+                               };
+                       };
+               };
+       };
 };
 
 &i2c6 {