| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/pinctrl/ralink,rt2880-pinmux.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Ralink rt2880 pinmux controller |
| |
| maintainers: |
| - Sergio Paracuellos <sergio.paracuellos@gmail.com> |
| |
| description: |
| The rt2880 pinmux can only set the muxing of pin groups. muxing indiviual pins |
| is not supported. There is no pinconf support. |
| |
| properties: |
| compatible: |
| enum: |
| - ralink,rt2880-pinmux |
| |
| pinctrl-0: |
| description: |
| A phandle to the node containing the subnodes containing default |
| configurations. This is for pinctrl hogs. |
| |
| pinctrl-names: |
| description: |
| A pinctrl state named "default" can be defined. |
| const: default |
| |
| required: |
| - compatible |
| |
| patternProperties: |
| '[a-z0-9_-]+': |
| if: |
| type: object |
| description: node for pinctrl. |
| $ref: "pinmux-node.yaml" |
| then: |
| properties: |
| groups: |
| description: Name of the pin group to use for the functions. |
| enum: [i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2, mdio, |
| pcie, sdhci] |
| function: |
| description: The mux function to select |
| enum: [gpio, i2c, spi, uart1, uart2, uart3, rgmii1, rgmii2, |
| mdio, nand1, nand2, sdhci] |
| |
| additionalProperties: false |
| |
| examples: |
| # Pinmux controller node |
| - | |
| pinctrl { |
| compatible = "ralink,rt2880-pinmux"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&state_default>; |
| |
| state_default: pinctrl0 { |
| }; |
| |
| i2c_pins: i2c0 { |
| i2c0 { |
| groups = "i2c"; |
| function = "i2c"; |
| }; |
| }; |
| }; |