Messages in this thread Patch in this message | | | Date | Thu, 23 Feb 2023 20:46:24 +0100 | From | Johan Jonker <> | Subject | [PATCH v4 2/7] dt-bindings: gpio: rockchip,gpio-bank: add unique hardware GPIO ID |
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Add a unique hardware GPIO ID to the Rockchip GPIO nodes with the "rockchip,gpio-controller" property to be independent from aliases and probe order. "gpio-ranges" can't be used for that, because there is no semantic restrictions on how they are set up.
Signed-off-by: Johan Jonker <jbx6244@gmail.com> ---
See discussion: https://lore.kernel.org/u-boot/CACRpkdZx8EaSFLeh4vruRsdC+Sx_ieBiKmuE7t37zhiYqtS3WQ@mail.gmail.com/ --- .../devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml index 2e9a5179c..39ac41e9d 100644 --- a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml +++ b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml @@ -52,6 +52,12 @@ properties:
gpio-line-names: true
+ rockchip,gpio-controller: + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 8 + description: + Unique hardware GPIO ID. + "#gpio-cells": const: 2
-- 2.20.1
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