0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Microchip MPFS GPIO Controller Device Tree Bindings
0008
0009 maintainers:
0010 - Conor Dooley <conor.dooley@microchip.com>
0011
0012 properties:
0013 compatible:
0014 items:
0015 - enum:
0016 - microchip,mpfs-gpio
0017
0018 reg:
0019 maxItems: 1
0020
0021 interrupts:
0022 description:
0023 Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
0024 minItems: 1
0025 maxItems: 32
0026
0027 interrupt-controller: true
0028
0029 clocks:
0030 maxItems: 1
0031
0032 "#gpio-cells":
0033 const: 2
0034
0035 "#interrupt-cells":
0036 const: 1
0037
0038 ngpios:
0039 description:
0040 The number of GPIOs available.
0041 minimum: 1
0042 maximum: 32
0043 default: 32
0044
0045 gpio-controller: true
0046
0047 required:
0048 - compatible
0049 - reg
0050 - interrupts
0051 - "#interrupt-cells"
0052 - interrupt-controller
0053 - "#gpio-cells"
0054 - gpio-controller
0055 - clocks
0056
0057 additionalProperties: false
0058
0059 examples:
0060 - |
0061 gpio@20122000 {
0062 compatible = "microchip,mpfs-gpio";
0063 reg = <0x20122000 0x1000>;
0064 clocks = <&clkcfg 25>;
0065 interrupt-parent = <&plic>;
0066 gpio-controller;
0067 #gpio-cells = <2>;
0068 interrupt-controller;
0069 #interrupt-cells = <1>;
0070 interrupts = <53>, <53>, <53>, <53>,
0071 <53>, <53>, <53>, <53>,
0072 <53>, <53>, <53>, <53>,
0073 <53>, <53>, <53>, <53>,
0074 <53>, <53>, <53>, <53>,
0075 <53>, <53>, <53>, <53>,
0076 <53>, <53>, <53>, <53>,
0077 <53>, <53>, <53>, <53>;
0078 };
0079 ...
