0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/gpio/x-powers,axp209-gpio.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: X-Powers AXP209 GPIO Device Tree Bindings
0008
0009 maintainers:
0010 - Chen-Yu Tsai <wens@csie.org>
0011
0012 properties:
0013 "#gpio-cells":
0014 const: 2
0015 description: >
0016 The first cell is the pin number and the second is the GPIO flags.
0017
0018 compatible:
0019 oneOf:
0020 - enum:
0021 - x-powers,axp209-gpio
0022 - x-powers,axp221-gpio
0023 - x-powers,axp813-gpio
0024 - items:
0025 - enum:
0026 - x-powers,axp223-gpio
0027 - x-powers,axp809-gpio
0028 - const: x-powers,axp221-gpio
0029 - items:
0030 - const: x-powers,axp803-gpio
0031 - const: x-powers,axp813-gpio
0032
0033 gpio-controller: true
0034
0035 patternProperties:
0036 "^.*-pins?$":
0037 $ref: /schemas/pinctrl/pinmux-node.yaml#
0038
0039 properties:
0040 pins:
0041 items:
0042 enum:
0043 - GPIO0
0044 - GPIO1
0045 - GPIO2
0046
0047 function:
0048 enum:
0049 - adc
0050 - ldo
0051 - gpio_in
0052 - gpio_out
0053
0054 required:
0055 - compatible
0056 - "#gpio-cells"
0057 - gpio-controller
0058
0059 additionalProperties: false
0060
0061 ...
