Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/mrvl-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Marvell PXA GPIO controller
   8
   9 maintainers:
  10   - Linus Walleij <linus.walleij@linaro.org>
  11   - Bartosz Golaszewski <bgolaszewski@baylibre.com>
  12   - Rob Herring <robh+dt@kernel.org>
  13
  14 allOf:
  15   - if:
  16       properties:
  17         compatible:
  18           contains:
  19             enum:
  20               - intel,pxa25x-gpio
  21               - intel,pxa26x-gpio
  22               - intel,pxa27x-gpio
  23               - intel,pxa3xx-gpio
  24     then:
  25       properties:
  26         interrupts:
  27           minItems: 3
  28           maxItems: 3
  29         interrupt-names:
  30           items:
  31             - const: gpio0
  32             - const: gpio1
  33             - const: gpio_mux
  34   - if:
  35       properties:
  36         compatible:
  37           contains:
  38             enum:
  39               - marvell,mmp-gpio
  40               - marvell,mmp2-gpio
  41     then:
  42       properties:
  43         interrupts:
  44           maxItems: 1
  45         interrupt-names:
  46           items:
  47             - const: gpio_mux
  48
  49 properties:
  50   $nodename:
  51     pattern: '^gpio@[0-9a-f]+$'
  52
  53   compatible:
  54     enum:
  55       - intel,pxa25x-gpio
  56       - intel,pxa26x-gpio
  57       - intel,pxa27x-gpio
  58       - intel,pxa3xx-gpio
  59       - marvell,mmp-gpio
  60       - marvell,mmp2-gpio
  61       - marvell,pxa93x-gpio
  62
  63   reg:
  64     maxItems: 1
  65
  66   clocks:
  67     maxItems: 1
  68
  69   resets:
  70     maxItems: 1
  71
  72   ranges: true
  73
  74   '#address-cells':
  75     const: 1
  76
  77   '#size-cells':
  78     const: 1
  79
  80   gpio-controller: true
  81
  82   '#gpio-cells':
  83     const: 2
  84
  85   gpio-ranges: true
  86
  87   interrupts: true
  88
  89   interrupt-names: true
  90
  91   interrupt-controller: true
  92
  93   '#interrupt-cells':
  94     const: 2
  95
  96 patternProperties:
  97   '^gpio@[0-9a-f]*$':
  98     type: object
  99     properties:
 100       reg:
 101         maxItems: 1
 102
 103     required:
 104       - reg
 105
 106     additionalProperties: false
 107
 108 required:
 109   - compatible
 110   - '#address-cells'
 111   - '#size-cells'
 112   - reg
 113   - gpio-controller
 114   - '#gpio-cells'
 115   - interrupts
 116   - interrupt-names
 117   - interrupt-controller
 118   - '#interrupt-cells'
 119
 120 additionalProperties: false
 121
 122 examples:
 123   - |
 124     #include <dt-bindings/clock/pxa-clock.h>
 125     gpio@40e00000 {
 126         compatible = "intel,pxa3xx-gpio";
 127         #address-cells = <1>;
 128         #size-cells = <1>;
 129         reg = <0x40e00000 0x10000>;
 130         gpio-controller;
 131         #gpio-cells = <2>;
 132         interrupts = <8>, <9>, <10>;
 133         interrupt-names = "gpio0", "gpio1", "gpio_mux";
 134         clocks = <&clks CLK_GPIO>;
 135         interrupt-controller;
 136         #interrupt-cells = <2>;
 137     };
 138   - |
 139     #include <dt-bindings/clock/marvell,pxa910.h>
 140     gpio@d4019000 {
 141         compatible = "marvell,mmp-gpio";
 142         #address-cells = <1>;
 143         #size-cells = <1>;
 144         reg = <0xd4019000 0x1000>;
 145         gpio-controller;
 146         #gpio-cells = <2>;
 147         interrupts = <49>;
 148         interrupt-names = "gpio_mux";
 149         clocks = <&soc_clocks PXA910_CLK_GPIO>;
 150         resets = <&soc_clocks PXA910_CLK_GPIO>;
 151         interrupt-controller;
 152         #interrupt-cells = <2>;
 153         ranges;
 154
 155         gpio@d4019000 {
 156             reg = <0xd4019000 0x4>;
 157         };
 158
 159         gpio@d4019004 {
 160             reg = <0xd4019004 0x4>;
 161         };
 162
 163         gpio@d4019008 {
 164             reg = <0xd4019008 0x4>;
 165         };
 166
 167         gpio@d4019100 {
 168             reg = <0xd4019100 0x4>;
 169         };
 170      };
 171
 172 ...