dt-bindings: i2c: rcar: Add r8a774a1 support

Document RZ/G2M (R8A774A1) I2C compatibility with the relevant driver
dt-bindings.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt
index 7bb64846d6fd..39cd21d95810 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt
@@ -4,6 +4,7 @@ Required properties:
 - compatible:
         "renesas,i2c-r8a7743" if the device is a part of a R8A7743 SoC.
         "renesas,i2c-r8a7745" if the device is a part of a R8A7745 SoC.
+        "renesas,i2c-r8a774a1" if the device is a part of a R8A774A1 SoC.
         "renesas,i2c-r8a7778" if the device is a part of a R8A7778 SoC.
         "renesas,i2c-r8a7779" if the device is a part of a R8A7779 SoC.
         "renesas,i2c-r8a7790" if the device is a part of a R8A7790 SoC.
@@ -21,7 +22,8 @@ Required properties:
         "renesas,rcar-gen1-i2c" for a generic R-Car Gen1 compatible device.
         "renesas,rcar-gen2-i2c" for a generic R-Car Gen2 or RZ/G1 compatible
                                 device.
-        "renesas,rcar-gen3-i2c" for a generic R-Car Gen3 compatible device.
+        "renesas,rcar-gen3-i2c" for a generic R-Car Gen3 or RZ/G2 compatible
+                                device.
         "renesas,i2c-rcar" (deprecated)
 
         When compatible with the generic version, nodes must list the