ARM: shmobile: lager: add VIN1/ADV7180 device nodes

Add the Lager board specific device node part for VIN1 (composite video in);
add the device node for Analog Devices ADV7180 video decoder to IIC2 bus.
Add the necessary subnodes to interconnect VIN1 and ADV7180 devices.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
[Sergei: rebased, edited changelog and summary]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit d594c9775409a4276133db5e34dbd791329c5eae)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 01b9a35..9729833 100644 (file)
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -234,6 +234,11 @@
                renesas,groups = "usb2";
                renesas,function = "usb2";
        };
+
+       vin1_pins: vin {
+               renesas,groups = "vin1_data8", "vin1_clk";
+               renesas,function = "vin1";
+       };
 };
 
 &ether {
@@ -370,6 +375,19 @@
        status = "ok";
        pinctrl-0 = <&iic2_pins>;
        pinctrl-names = "default";
+
+       composite-in@20 {
+               compatible = "adi,adv7180";
+               reg = <0x20>;
+               remote = <&vin1>;
+
+               port {
+                       adv7180: endpoint {
+                               bus-width = <8>;
+                               remote-endpoint = <&vin1ep0>;
+                       };
+               };
+       };
 };
 
 &iic3 {
@@ -405,3 +423,21 @@
        pinctrl-0 = <&usb2_pins>;
        pinctrl-names = "default";
 };
+
+/* composite video input */
+&vin1 {
+       pinctrl-0 = <&vin1_pins>;
+       pinctrl-names = "default";
+
+       status = "ok";
+
+       port {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vin1ep0: endpoint {
+                       remote-endpoint = <&adv7180>;
+                       bus-width = <8>;
+               };
+       };
+};