1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/ralink,rt2880-pinmux.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Ralink rt2880 pinmux controller 8 9maintainers: 10 - Sergio Paracuellos <sergio.paracuellos@gmail.com> 11 12description: 13 The rt2880 pinmux can only set the muxing of pin groups. muxing indiviual pins 14 is not supported. There is no pinconf support. 15 16properties: 17 compatible: 18 const: ralink,rt2880-pinmux 19 20patternProperties: 21 '-pins$': 22 type: object 23 patternProperties: 24 '^(.*-)?pinmux$': 25 type: object 26 description: node for pinctrl. 27 $ref: pinmux-node.yaml# 28 29 properties: 30 groups: 31 description: Name of the pin group to use for the functions. 32 enum: [i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2, mdio, 33 pcie, sdhci] 34 function: 35 description: The mux function to select 36 enum: [gpio, i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2, 37 mdio, nand1, nand2, sdhci] 38 39 required: 40 - groups 41 - function 42 43 additionalProperties: false 44 45 additionalProperties: false 46 47required: 48 - compatible 49 50additionalProperties: false 51 52examples: 53 # Pinmux controller node 54 - | 55 pinctrl { 56 compatible = "ralink,rt2880-pinmux"; 57 58 i2c_pins: i2c0-pins { 59 pinmux { 60 groups = "i2c"; 61 function = "i2c"; 62 }; 63 }; 64 }; 65