| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |