Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pinctrl/loongson,ls2k-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Loongson-2 SoC Pinctrl Controller
   8
   9 maintainers:
  10   - zhanghongchen <zhanghongchen@loongson.cn>
  11   - Yinbo Zhu <zhuyinbo@loongson.cn>
  12
  13 allOf:
  14   - $ref: pinctrl.yaml#
  15
  16 properties:
  17   compatible:
  18     const: loongson,ls2k-pinctrl
  19
  20   reg:
  21     maxItems: 1
  22
  23 patternProperties:
  24   '-pins$':
  25     type: object
  26
  27     additionalProperties: false
  28
  29     patternProperties:
  30       'pinmux$':
  31         type: object
  32         description: node for pinctrl.
  33         $ref: pinmux-node.yaml#
  34
  35         unevaluatedProperties: false
  36
  37         properties:
  38           groups:
  39             description:
  40               One or more groups of pins to mux to a certain function
  41             items:
  42               enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
  43                      nand, sata_led, i2s, hda]
  44           function:
  45             description:
  46               The function that a group of pins is muxed to
  47             enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
  48                    nand, sata_led, i2s, hda]
  49
  50         required:
  51           - groups
  52           - function
  53
  54 required:
  55   - compatible
  56   - reg
  57
  58 additionalProperties: false
  59
  60 examples:
  61   - |
  62     pctrl: pinctrl@1fe00420 {
  63         compatible = "loongson,ls2k-pinctrl";
  64         reg = <0x1fe00420 0x18>;
  65         sdio_pins_default: sdio-pins {
  66             sdio-pinmux {
  67                 groups = "sdio";
  68                 function = "sdio";
  69             };
  70
  71             sdio-det-pinmux {
  72                 groups = "pwm2";
  73                 function = "gpio";
  74             };
  75         };
  76
  77         pwm1_pins_default: pwm1-pins {
  78             pinmux {
  79                 groups = "pwm1";
  80                 function = "pwm1";
  81             };
  82         };
  83
  84         pwm0_pins_default: pwm0-pins {
  85             pinmux {
  86                 groups = "pwm0";
  87                 function = "pwm0";
  88             };
  89         };
  90
  91         i2c1_pins_default: i2c1-pins {
  92             pinmux {
  93                 groups = "i2c1";
  94                 function = "i2c1";
  95             };
  96         };
  97
  98         i2c0_pins_default: i2c0-pins {
  99             pinmux {
 100                 groups = "i2c0";
 101                 function = "i2c0";
 102             };
 103         };
 104
 105         nand_pins_default: nand-pins {
 106             pinmux {
 107                 groups = "nand";
 108                 function = "nand";
 109             };
 110         };
 111
 112         hda_pins_default: hda-pins {
 113             grp0-pinmux {
 114                 groups = "hda";
 115                 function = "hda";
 116             };
 117
 118             grp1-pinmux {
 119                 groups = "i2s";
 120                 function = "gpio";
 121             };
 122         };
 123     };