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:
  86     maxItems: 1
  87
  88   interrupts: true
  89
  90   interrupt-names: true
  91
  92   interrupt-controller: true
  93
  94   '#interrupt-cells':
  95     const: 2
  96
  97 patternProperties:
  98   '^gpio@[0-9a-f]*$':
  99     type: object
 100     properties:
 101       reg:
 102         maxItems: 1
 103
 104     required:
 105       - reg
 106
 107     additionalProperties: false
 108
 109 required:
 110   - compatible
 111   - '#address-cells'
 112   - '#size-cells'
 113   - reg
 114   - gpio-controller
 115   - '#gpio-cells'
 116   - interrupts
 117   - interrupt-names
 118   - interrupt-controller
 119   - '#interrupt-cells'
 120
 121 additionalProperties: false
 122
 123 examples:
 124   - |
 125     #include <dt-bindings/clock/pxa-clock.h>
 126     gpio@40e00000 {
 127         compatible = "intel,pxa3xx-gpio";
 128         #address-cells = <1>;
 129         #size-cells = <1>;
 130         reg = <0x40e00000 0x10000>;
 131         gpio-controller;
 132         #gpio-cells = <2>;
 133         interrupts = <8>, <9>, <10>;
 134         interrupt-names = "gpio0", "gpio1", "gpio_mux";
 135         clocks = <&clks CLK_GPIO>;
 136         interrupt-controller;
 137         #interrupt-cells = <2>;
 138     };
 139   - |
 140     #include <dt-bindings/clock/marvell,pxa910.h>
 141     gpio@d4019000 {
 142         compatible = "marvell,mmp-gpio";
 143         #address-cells = <1>;
 144         #size-cells = <1>;
 145         reg = <0xd4019000 0x1000>;
 146         gpio-controller;
 147         #gpio-cells = <2>;
 148         interrupts = <49>;
 149         interrupt-names = "gpio_mux";
 150         clocks = <&soc_clocks PXA910_CLK_GPIO>;
 151         resets = <&soc_clocks PXA910_CLK_GPIO>;
 152         interrupt-controller;
 153         #interrupt-cells = <2>;
 154         ranges;
 155
 156         gpio@d4019000 {
 157             reg = <0xd4019000 0x4>;
 158         };
 159
 160         gpio@d4019004 {
 161             reg = <0xd4019004 0x4>;
 162         };
 163
 164         gpio@d4019008 {
 165             reg = <0xd4019008 0x4>;
 166         };
 167
 168         gpio@d4019100 {
 169             reg = <0xd4019100 0x4>;
 170         };
 171      };
 172
 173 ...