124 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---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 Controller8 9maintainers:10 - zhanghongchen <zhanghongchen@loongson.cn>11 - Yinbo Zhu <zhuyinbo@loongson.cn>12 13allOf:14 - $ref: pinctrl.yaml#15 16properties:17 compatible:18 const: loongson,ls2k-pinctrl19 20 reg:21 maxItems: 122 23patternProperties:24 '-pins$':25 type: object26 27 additionalProperties: false28 29 patternProperties:30 'pinmux$':31 type: object32 description: node for pinctrl.33 $ref: pinmux-node.yaml#34 35 unevaluatedProperties: false36 37 properties:38 groups:39 description:40 One or more groups of pins to mux to a certain function41 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 to47 enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,48 nand, sata_led, i2s, hda]49 50 required:51 - groups52 - function53 54required:55 - compatible56 - reg57 58additionalProperties: false59 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 };124