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author | Sergio Paracuellos <sergio.paracuellos@gmail.com> | 2020-12-08 08:55:22 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-08 09:58:01 +0100 |
commit | 289fa46ac6111df61697495a736f2dac8fa4f23a (patch) | |
tree | 0ff5ec44801915eeab3964e74dbf1108c066fcd5 | |
parent | 8764c27fbd2f257405853e73bf3a6b44920a20ab (diff) | |
download | linux-stable-289fa46ac6111df61697495a736f2dac8fa4f23a.tar.gz linux-stable-289fa46ac6111df61697495a736f2dac8fa4f23a.tar.bz2 linux-stable-289fa46ac6111df61697495a736f2dac8fa4f23a.zip |
dt-bindings: pinctrl: rt2880: add binding document
The commit adds rt2880 compatible node in binding document.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201208075523.7060-2-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinmux.yaml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinmux.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinmux.yaml new file mode 100644 index 000000000000..7dea3e26d99e --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinmux.yaml @@ -0,0 +1,70 @@ +# 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"; + }; + }; + }; |