Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: EP93xx GPIO controller
   8
   9 maintainers:
  10   - Linus Walleij <linus.walleij@linaro.org>
  11   - Bartosz Golaszewski <brgl@bgdev.pl>
  12   - Nikita Shubin <nikita.shubin@maquefel.me>
  13
  14 properties:
  15   compatible:
  16     oneOf:
  17       - const: cirrus,ep9301-gpio
  18       - items:
  19           - enum:
  20               - cirrus,ep9302-gpio
  21               - cirrus,ep9307-gpio
  22               - cirrus,ep9312-gpio
  23               - cirrus,ep9315-gpio
  24           - const: cirrus,ep9301-gpio
  25
  26   reg:
  27     minItems: 2
  28     items:
  29       - description: data register
  30       - description: direction register
  31       - description: interrupt registers base
  32
  33   reg-names:
  34     minItems: 2
  35     items:
  36       - const: data
  37       - const: dir
  38       - const: intr
  39
  40   gpio-controller: true
  41
  42   gpio-ranges: true
  43
  44   "#gpio-cells":
  45     const: 2
  46
  47   interrupt-controller: true
  48
  49   "#interrupt-cells":
  50     const: 2
  51
  52   interrupts:
  53     oneOf:
  54       - maxItems: 1
  55       - description: port F has dedicated irq line for each gpio line
  56         maxItems: 8
  57
  58 required:
  59   - compatible
  60   - reg
  61   - gpio-controller
  62   - "#gpio-cells"
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     gpio@80840000 {
  69       compatible = "cirrus,ep9301-gpio";
  70       reg = <0x80840000 0x04>,
  71             <0x80840010 0x04>,
  72             <0x80840090 0x1c>;
  73       reg-names = "data", "dir", "intr";
  74       gpio-controller;
  75       #gpio-cells = <2>;
  76         interrupt-controller;
  77         interrupt-parent = <&vic1>;
  78         interrupts = <27>;
  79     };
  80
  81     gpio@80840004 {
  82       compatible = "cirrus,ep9301-gpio";
  83       reg = <0x80840004 0x04>,
  84             <0x80840014 0x04>,
  85             <0x808400ac 0x1c>;
  86       reg-names = "data", "dir", "intr";
  87       gpio-controller;
  88       #gpio-cells = <2>;
  89       interrupt-controller;
  90       interrupt-parent = <&vic1>;
  91       interrupts = <27>;
  92     };
  93
  94     gpio@80840008 {
  95       compatible = "cirrus,ep9301-gpio";
  96       reg = <0x80840008 0x04>,
  97             <0x80840018 0x04>;
  98       reg-names = "data", "dir";
  99       gpio-controller;
 100       #gpio-cells = <2>;
 101     };
 102
 103     gpio@8084000c {
 104       compatible = "cirrus,ep9301-gpio";
 105       reg = <0x8084000c 0x04>,
 106             <0x8084001c 0x04>;
 107       reg-names = "data", "dir";
 108       gpio-controller;
 109       #gpio-cells = <2>;
 110     };
 111
 112     gpio@80840020 {
 113       compatible = "cirrus,ep9301-gpio";
 114       reg = <0x80840020 0x04>,
 115             <0x80840024 0x04>;
 116       reg-names = "data", "dir";
 117       gpio-controller;
 118       #gpio-cells = <2>;
 119     };
 120
 121     gpio@80840030 {
 122       compatible = "cirrus,ep9301-gpio";
 123       reg = <0x80840030 0x04>,
 124             <0x80840034 0x04>,
 125             <0x8084004c 0x1c>;
 126       reg-names = "data", "dir", "intr";
 127       gpio-controller;
 128       #gpio-cells = <2>;
 129       interrupt-controller;
 130       interrupts-extended = <&vic0 19>, <&vic0 20>,
 131                             <&vic0 21>, <&vic0 22>,
 132                             <&vic1 15>, <&vic1 16>,
 133                             <&vic1 17>, <&vic1 18>;
 134     };
 135
 136     gpio@80840038 {
 137       compatible = "cirrus,ep9301-gpio";
 138       reg = <0x80840038 0x04>,
 139             <0x8084003c 0x04>;
 140       reg-names = "data", "dir";
 141       gpio-controller;
 142       #gpio-cells = <2>;
 143     };
 144
 145     gpio@80840040 {
 146       compatible = "cirrus,ep9301-gpio";
 147       reg = <0x80840040 0x04>,
 148             <0x80840044 0x04>;
 149       reg-names = "data", "dir";
 150       gpio-controller;
 151       #gpio-cells = <2>;
 152     };
 153
 154 ...