Documentation/devicetree/bindings/gpio/atmel,at91rm9200-gpio.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/atmel,at91rm9200-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip GPIO controller (PIO)
   8
   9 maintainers:
  10   - Manikandan Muralidharan <manikandan.m@microchip.com>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - items:
  16           - enum:
  17               - atmel,at91sam9x5-gpio
  18               - microchip,sam9x60-gpio
  19           - const: atmel,at91rm9200-gpio
  20       - items:
  21           - enum:
  22               - microchip,sam9x7-gpio
  23           - const: microchip,sam9x60-gpio
  24           - const: atmel,at91rm9200-gpio
  25       - items:
  26           - const: atmel,at91rm9200-gpio
  27
  28   reg:
  29     maxItems: 1
  30
  31   interrupts:
  32     maxItems: 1
  33
  34   interrupt-controller: true
  35
  36   "#interrupt-cells":
  37     const: 2
  38
  39   gpio-controller: true
  40   gpio-line-names: true
  41
  42   "#gpio-cells":
  43     const: 2
  44
  45   clocks:
  46     maxItems: 1
  47
  48   "#gpio-lines":
  49     description:
  50       Number of gpio, 32 by default if absent
  51     maxItems: 1
  52     default: 32
  53
  54 required:
  55   - compatible
  56   - reg
  57   - interrupts
  58   - interrupt-controller
  59   - "#interrupt-cells"
  60   - gpio-controller
  61   - "#gpio-cells"
  62   - clocks
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     #include <dt-bindings/clock/at91.h>
  69     #include <dt-bindings/interrupt-controller/irq.h>
  70
  71     gpio@fffff400 {
  72             compatible = "atmel,at91rm9200-gpio";
  73             reg = <0xfffff400 0x200>;
  74             interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
  75             #gpio-cells = <2>;
  76             gpio-controller;
  77             interrupt-controller;
  78             #interrupt-cells = <2>;
  79             clocks = <&pmc PMC_TYPE_PERIPHERAL 2>;
  80     };
  81 ...