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Subject[PATCH 12/14] dt-bindings: pinctrl: add binding for Ralink MT7621 pinctrl
Date
Add binding for the Ralink MT7621 pin controller for MT7621 SoC.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
---
.../pinctrl/ralink,mt7621-pinctrl.yaml | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
new file mode 100644
index 000000000000..d1e4d1457754
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
@@ -0,0 +1,69 @@
+# 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 indiviual 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";
+ };
+ };
+ };
--
2.25.1
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