1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/ralink,rt2880-pinctrl.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Ralink RT2880 Pin Controller 8 9maintainers: 10 - Arınç ÜNAL <arinc.unal@arinc9.com> 11 - Sergio Paracuellos <sergio.paracuellos@gmail.com> 12 13description: 14 Ralink RT2880 pin controller for RT2880 SoC. 15 The pin controller can only set the muxing of pin groups. Muxing individual 16 pins is not supported. There is no pinconf support. 17 18properties: 19 compatible: 20 const: ralink,rt2880-pinctrl 21 22patternProperties: 23 '-pins$': 24 type: object 25 patternProperties: 26 '^(.*-)?pinmux$': 27 type: object 28 description: node for pinctrl. 29 $ref: pinmux-node.yaml# 30 31 properties: 32 function: 33 description: 34 A string containing the name of the function to mux to the group. 35 enum: [gpio, i2c, spi, uartlite, jtag, mdio, sdram, pci] 36 37 groups: 38 description: 39 An array of strings. Each string contains the name of a group. 40 maxItems: 1 41 42 required: 43 - groups 44 - function 45 46 allOf: 47 - if: 48 properties: 49 function: 50 const: gpio 51 then: 52 properties: 53 groups: 54 enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci] 55 56 - if: 57 properties: 58 function: 59 const: i2c 60 then: 61 properties: 62 groups: 63 enum: [i2c] 64 65 - if: 66 properties: 67 function: 68 const: spi 69 then: 70 properties: 71 groups: 72 enum: [spi] 73 74 - if: 75 properties: 76 function: 77 const: uartlite 78 then: 79 properties: 80 groups: 81 enum: [uartlite] 82 83 - if: 84 properties: 85 function: 86 const: jtag 87 then: 88 properties: 89 groups: 90 enum: [jtag] 91 92 - if: 93 properties: 94 function: 95 const: mdio 96 then: 97 properties: 98 groups: 99 enum: [mdio] 100 101 - if: 102 properties: 103 function: 104 const: sdram 105 then: 106 properties: 107 groups: 108 enum: [sdram] 109 110 - if: 111 properties: 112 function: 113 const: pci 114 then: 115 properties: 116 groups: 117 enum: [pci] 118 119 additionalProperties: false 120 121 additionalProperties: false 122 123allOf: 124 - $ref: "pinctrl.yaml#" 125 126required: 127 - compatible 128 129additionalProperties: false 130 131examples: 132 - | 133 pinctrl { 134 compatible = "ralink,rt2880-pinctrl"; 135 136 i2c_pins: i2c0-pins { 137 pinmux { 138 groups = "i2c"; 139 function = "i2c"; 140 }; 141 }; 142 }; 143