From: Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx> Add binding document for Fairchild FXL6408 GPIO expander. Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx> --- .../bindings/gpio/fcs,fxl6408-gpio.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/fcs,fxl6408-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/fcs,fxl6408-gpio.yaml b/Documentation/devicetree/bindings/gpio/fcs,fxl6408-gpio.yaml new file mode 100644 index 000000000000..ccf946040d00 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/fcs,fxl6408-gpio.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/fcs,fxl6408-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: FXL6408 GPIO driver + +maintainers: + - Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx> + +description: | + Driver for Fairchild FXL6408 GPIO expander + +properties: + compatible: + enum: + - fcs,fxl6408 + + reg: + maxItems: 1 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 8 + +patternProperties: + "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$": + type: object + properties: + gpio-hog: true + gpios: true + input: true + output-high: true + output-low: true + line-name: true + + required: + - gpio-hog + - gpios + + additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + gpio_expander_43: gpio-expander@43 { + compatible = "fcs,fxl6408"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x43>; + gpio-line-names = "Wi-Fi_W_DISABLE", "Wi-Fi_WKUP_WLAN", + "PWR_EN_+V3.3_WiFi_N", "PCIe_REF_CLK_EN", + "USB_RESET_N", "USB_BYPASS_N", "Wi-Fi_PDn", + "Wi-Fi_WKUP_BT"; + }; + }; -- 2.25.1