The AXP192 PMIC is different enough from the PMICs supported by the AXP20x GPIO driver to warrant a separate driver. The AXP192 driver also supports interrupts and pinconf settings. Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx> --- .../bindings/gpio/x-powers,axp192-gpio.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml new file mode 100644 index 000000000000..1e368cac9d3a --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/gpio/x-powers,axp192-gpio.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: X-Powers AXP192 GPIO Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@xxxxxxxx> + +properties: + compatible: + const: x-powers,axp192-gpio + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: > + The first cell is the pin number and the second is the GPIO flags. + + gpio-ranges: + maxItems: 1 + +patternProperties: + "-pins$": + $ref: /schemas/pinctrl/pinmux-node.yaml# + + properties: + pins: + items: + enum: + - GPIO0 + - GPIO1 + - GPIO2 + - GPIO3 + - GPIO4 + - N_RSTO + + function: + enum: + - output + - input + - ldo + - pwm + - adc + - low_output + - floating + - ext_chg_ctl + - ldo_status + +required: + - compatible + - "#gpio-cells" + - gpio-controller + - gpio-ranges + +additionalProperties: false + +examples: + - | + pinctrl0: gpio@0 { + compatible = "x-powers,axp192-gpio"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl0 0 0 6>; + }; -- 2.35.1
