ARM: shmobile: koelsch: add VIN1/ADV7180 DT support

Define the Koelsch board dependent part of the VIN1 device node. Add the device
node for Analog  Devices ADV7180  video decoder to  I2C2 bus. Add the necessary
subnodes to interconnect VIN1 and ADV7180 devices.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 2cf088105db14c00ad69df09b9b4a37c2370ff44)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 740308e..51807a3 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -284,6 +284,11 @@
                renesas,groups = "usb1";
                renesas,function = "usb1";
        };
+
+       vin1_pins: vin1 {
+               renesas,groups = "vin1_data8", "vin1_clk";
+               renesas,function = "vin1";
+       };
 };
 
 &ether {
@@ -411,6 +416,19 @@
        status = "okay";
        clock-frequency = <400000>;
 
+       composite-in@20 {
+               compatible = "adi,adv7180";
+               reg = <0x20>;
+               remote = <&vin1>;
+
+               port {
+                       adv7180: endpoint {
+                               bus-width = <8>;
+                               remote-endpoint = <&vin1ep>;
+                       };
+               };
+       };
+
        eeprom@50 {
                compatible = "renesas,24c02";
                reg = <0x50>;
@@ -456,3 +474,20 @@
 &cpu0 {
        cpu0-supply = <&vdd_dvfs>;
 };
+
+/* composite video input */
+&vin1 {
+       status = "ok";
+       pinctrl-0 = <&vin1_pins>;
+       pinctrl-names = "default";
+
+       port {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vin1ep: endpoint {
+                       remote-endpoint = <&adv7180>;
+                       bus-width = <8>;
+               };
+       };
+};