Add binding document for the ENE KB3930 Embedded Controller.
Signed-off-by: Lubomir Rintel lkundrak@v3.sk Reviewed-by: Rob Herring robh@kernel.org
--- Changes since v4: - Collected Rob's Reviewed-by
Changes since v1: - Addressed binding validation failure
.../devicetree/bindings/mfd/ene-kb3930.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
diff --git a/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml new file mode 100644 index 0000000000000..005f5cb59ab12 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ENE KB3930 Embedded Controller bindings + +description: | + This binding describes the ENE KB3930 Embedded Controller attached to a + I2C bus. + +maintainers: + - Lubomir Rintel lkundrak@v3.sk + +properties: + compatible: + items: + - enum: + - dell,wyse-ariel-ec # Dell Wyse Ariel board (3020) + - const: ene,kb3930 + reg: + maxItems: 1 + + off-gpios: + description: GPIO used with the shutdown protocol on Ariel + maxItems: 2 + + system-power-controller: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + embedded-controller@58 { + compatible = "dell,wyse-ariel-ec", "ene,kb3930"; + reg = <0x58>; + system-power-controller; + + off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>, + <&gpio 127 GPIO_ACTIVE_HIGH>; + }; + }; + +...