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, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, 33 uart1, uart2, uart3, wdt] 34 function: 35 description: The mux function to select 36 enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk, 37 pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, 38 spi, uart1, uart2, uart3, wdt refclk, wdt rst] 39 40 required: 41 - groups 42 - function 43 44 additionalProperties: false 45 46 additionalProperties: false 47 48allOf: 49 - $ref: "pinctrl.yaml#" 50 51required: 52 - compatible 53 54additionalProperties: false 55 56examples: 57 # Pinmux controller node 58 - | 59 pinctrl { 60 compatible = "ralink,rt2880-pinmux"; 61 62 i2c_pins: i2c0-pins { 63 pinmux { 64 groups = "i2c"; 65 function = "i2c"; 66 }; 67 }; 68 }; 69