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$': 24 type: object 25 additionalProperties: false 26 27 patternProperties: 28 '^(.*-)?pinmux$': 29 type: object 30 description: node for pinctrl. 31 $ref: pinmux-node.yaml# 32 additionalProperties: false 33 34 properties: 35 function: 36 description: 37 A string containing the name of the function to mux to the group. 38 enum: [gpio, i2c, spi, uartlite, jtag, mdio, sdram, pci] 39 40 groups: 41 description: 42 An array of strings. Each string contains the name of a group. 43 maxItems: 1 44 45 required: 46 - groups 47 - function 48 49 allOf: 50 - if: 51 properties: 52 function: 53 const: gpio 54 then: 55 properties: 56 groups: 57 enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci] 58 59 - if: 60 properties: 61 function: 62 const: i2c 63 then: 64 properties: 65 groups: 66 enum: [i2c] 67 68 - if: 69 properties: 70 function: 71 const: spi 72 then: 73 properties: 74 groups: 75 enum: [spi] 76 77 - if: 78 properties: 79 function: 80 const: uartlite 81 then: 82 properties: 83 groups: 84 enum: [uartlite] 85 86 - if: 87 properties: 88 function: 89 const: jtag 90 then: 91 properties: 92 groups: 93 enum: [jtag] 94 95 - if: 96 properties: 97 function: 98 const: mdio 99 then: 100 properties: 101 groups: 102 enum: [mdio] 103 104 - if: 105 properties: 106 function: 107 const: sdram 108 then: 109 properties: 110 groups: 111 enum: [sdram] 112 113 - if: 114 properties: 115 function: 116 const: pci 117 then: 118 properties: 119 groups: 120 enum: [pci] 121 122allOf: 123 - $ref: pinctrl.yaml# 124 125required: 126 - compatible 127 128additionalProperties: false 129 130examples: 131 - | 132 pinctrl { 133 compatible = "ralink,rt2880-pinctrl"; 134 135 i2c_pins: i2c0-pins { 136 pinmux { 137 groups = "i2c"; 138 function = "i2c"; 139 }; 140 }; 141 }; 142