[PATCH] gpio-rcar: document R8A77980 bindings

[Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>]

Renesas R-Car V3H (R8A77980) SoC also has the R-Car gen3 compatible GPIO
controllers, so document the SoC specific bindings.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

---
The patch is against the 'devel' branch of Linus Walleij's 'linux-gpio.git'
repo.

 Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt |    1 +
 1 file changed, 1 insertion(+)

Index: linux-gpio/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
===================================================================
--- linux-gpio.orig/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+++ linux-gpio/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
@@ -17,6 +17,7 @@ Required Properties:
     - "renesas,gpio-r8a7796": for R8A7796 (R-Car M3-W) compatible GPIO controller.
     - "renesas,gpio-r8a77965": for R8A77965 (R-Car M3-N) compatible GPIO controller.
     - "renesas,gpio-r8a77970": for R8A77970 (R-Car V3M) compatible GPIO controller.
+    - "renesas,gpio-r8a77980": for R8A77980 (R-Car V3H) compatible GPIO controller.
     - "renesas,gpio-r8a77990": for R8A77990 (R-Car E3) compatible GPIO controller.
     - "renesas,gpio-r8a77995": for R8A77995 (R-Car D3) compatible GPIO controller.
     - "renesas,rcar-gen1-gpio": for a generic R-Car Gen1 GPIO controller.
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