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dt-bindings: gpio: rcar: Add r8a779a0 support 

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>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Geert Uytterhoeven 2021-01-08 11:20:24 +01:00 committed by Bartosz Golaszewski
parent cb38cd7035
commit 2a84708c2f
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
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@ -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
reg:
maxItems: 1