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
  7title: Loongson-2 SoC Pinctrl Controller
  8
  9maintainers:
 10  - zhanghongchen <zhanghongchen@loongson.cn>
 11  - Yinbo Zhu <zhuyinbo@loongson.cn>
 12
 13allOf:
 14  - $ref: pinctrl.yaml#
 15
 16properties:
 17  compatible:
 18    const: loongson,ls2k-pinctrl
 19
 20  reg:
 21    maxItems: 1
 22
 23patternProperties:
 24  '-pins$':
 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
 54required:
 55  - compatible
 56  - reg
 57
 58additionalProperties: false
 59
 60examples:
 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    };