0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/gpio/renesas,em-gio.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Renesas EMMA Mobile General Purpose I/O Interface
0008
0009 maintainers:
0010 - Magnus Damm <magnus.damm@gmail.com>
0011
0012 properties:
0013 compatible:
0014 const: renesas,em-gio
0015
0016 reg:
0017 items:
0018 - description: First set of contiguous registers
0019 - description: Second set of contiguous registers
0020
0021 interrupts:
0022 items:
0023 - description: Interrupt for the first set of 16 GPIO ports
0024 - description: Interrupt for the second set of 16 GPIO ports
0025
0026 gpio-controller: true
0027
0028 '#gpio-cells':
0029 const: 2
0030
0031 gpio-ranges:
0032 maxItems: 1
0033
0034 ngpios:
0035 minimum: 1
0036 maximum: 32
0037
0038 interrupt-controller: true
0039
0040 '#interrupt-cells':
0041 const: 2
0042
0043 required:
0044 - compatible
0045 - reg
0046 - interrupts
0047 - gpio-controller
0048 - '#gpio-cells'
0049 - gpio-ranges
0050 - ngpios
0051 - interrupt-controller
0052 - '#interrupt-cells'
0053
0054 additionalProperties: false
0055
0056 examples:
0057 - |
0058 #include <dt-bindings/interrupt-controller/arm-gic.h>
0059 gpio0: gpio@e0050000 {
0060 compatible = "renesas,em-gio";
0061 reg = <0xe0050000 0x2c>, <0xe0050040 0x20>;
0062 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
0063 <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
0064 gpio-controller;
0065 #gpio-cells = <2>;
0066 gpio-ranges = <&pfc 0 0 32>;
0067 ngpios = <32>;
0068 interrupt-controller;
0069 #interrupt-cells = <2>;
0070 };
