diff options
| author | Sungbo Eo <mans0n@gorani.run> | 2020-07-01 01:09:34 +0900 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-07-16 14:36:46 +0200 |
| commit | 4dc5794cf207a2f9992a91426fe0413aab77e1cd (patch) | |
| tree | 5aca43a9241581845715707d012513e18b433783 /Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml | |
| parent | 16d44b6085c1d90884b264deb938a34ab85a9c6d (diff) | |
gpio: pca9570: Add DT bindings for NXP PCA9570
This patch adds device tree bindings for the NXP PCA9570,
a 4-bit I2C GPO expander.
Signed-off-by: Sungbo Eo <mans0n@gorani.run>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200630160934.1197066-1-mans0n@gorani.run
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml new file mode 100644 index 000000000000..338c5312a106 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PCA9570 I2C GPO expander + +maintainers: + - Sungbo Eo <mans0n@gorani.run> + +properties: + compatible: + enum: + - nxp,pca9570 + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + gpio@24 { + compatible = "nxp,pca9570"; + reg = <0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + }; + +... |