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[PATCH/RFC,4/6] dt-bindings: gpio: rcar: Add r8a779a0 support

Message ID 20201019120614.22149-5-geert+renesas@glider.be
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series R-Car V3U GPIO support | expand

Commit Message

Geert Uytterhoeven Oct. 19, 2020, 12:06 p.m. UTC
Document the compatible value for the GPIO block in the Renesas R-Car
V3U (R8A779A0) SoC.

While this GPIO block is mostly compatible with GPIO blocks on R-Car
Gen3 SoCs, there are small differences, and one of the new registers
needs to be configured differently from its initial reset state.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Untested on actual hardware.
 Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml | 3 +++
 1 file changed, 3 insertions(+)
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diff --git a/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml b/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
index 5026662e45081b6c..f2541739ee3b9f7c 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
@@ -48,6 +48,9 @@  properties:
               - renesas,gpio-r8a77995     # R-Car D3
           - const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
+      - items:
+          - const: renesas,gpio-r8a779a0  # R-Car V3U
     maxItems: 1