Add driver bindings for the maxim max7317 spi gpio expander. Co-developed-by: Lukasz Zemla <Lukasz.Zemla@xxxxxxxxxxxx> Signed-off-by: Lukasz Zemla <Lukasz.Zemla@xxxxxxxxxxxx> Signed-off-by: Edmund Berenson <edmund.berenson@xxxxxxxxx> --- .../bindings/gpio/gpio-max7317.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max7317.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-max7317.yaml b/Documentation/devicetree/bindings/gpio/gpio-max7317.yaml new file mode 100644 index 000000000000..88f1fe02a627 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-max7317.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-max7317.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7317 SPI-Interfaced I/O Expander + +description: | + Bindings for 10-Port Maxim MAX7317 SPI GPIO expanders. + +properties: + compatible: + const: maxim,max7317 + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + gpio-line-names: + minItems: 1 + maxItems: 10 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + gpio5: gpio5@0 { + compatible = "maxim,max7317"; + reg = <0>; + gpio-controller; + #gpio-cells = <2>; + spi-max-frequency = <100000>; + }; + }; -- 2.37.4
