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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/ralink,mt7621-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ralink MT7621 Pin Controller
+
+maintainers:
+ - Arınç ÜNAL <arinc.unal@arinc9.com>
+ - Sergio Paracuellos <sergio.paracuellos@gmail.com>
+
+description:
+ Ralink MT7621 pin controller for MT7621 SoC.
+ The pin controller can only set the muxing of pin groups. Muxing individual
+ pins is not supported. There is no pinconf support.
+
+properties:
+ compatible:
+ const: ralink,mt7621-pinctrl
+
+patternProperties:
+ '-pins$':
+ type: object
+ patternProperties:
+ '^(.*-)?pinmux$':
+ type: object
+ description: node for pinctrl.
+ $ref: pinmux-node.yaml#
+
+ properties:
+ groups:
+ description: The pin group to select.
+ enum: [i2c, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, uart1,
+ uart2, uart3, wdt]
+
+ function:
+ description: The mux function to select.
+ enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk,
+ pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, spi,
+ uart1, uart2, uart3, wdt refclk, wdt rst]
+
+ required:
+ - groups
+ - function
+
+ additionalProperties: false
+
+ additionalProperties: false
+
+allOf:
+ - $ref: "pinctrl.yaml#"
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ # Pinmux controller node
+ - |
+ pinctrl {
+ compatible = "ralink,mt7621-pinctrl";
+
+ i2c_pins: i2c0-pins {
+ pinmux {
+ groups = "i2c";
+ function = "i2c";
+ };
+ };
+ };