dt-bindings: gpio: Add compatible string for AM64 SoC

Add compatible string for AM64 SoC in device tree binding of davinci GPIO
modules as the same IP is used.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
index cd91d61..696ea46 100644 (file)
--- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
@@ -7,6 +7,7 @@ Required Properties:
                        "ti,k2g-gpio", "ti,keystone-gpio": for 66AK2G
                        "ti,am654-gpio", "ti,keystone-gpio": for TI K3 AM654
                        "ti,j721e-gpio", "ti,keystone-gpio": for J721E SoCs
+                       "ti,am64-gpio", "ti,keystone-gpio": for AM64 SoCs
 
 - reg: Physical base address of the controller and the size of memory mapped
        registers.