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    Subject[PATCH v6 2/2] dt-bindings: pinctrl: intel: Add for new SoC
    Date
    Add dt bindings document for pinmux & GPIO controller driver of
    Intel Lightning Mountain SoC.

    Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
    ---
    .../bindings/pinctrl/intel,lgm-pinctrl.yaml | 98 ++++++++++++++++++++++
    1 file changed, 98 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/pinctrl/intel,lgm-pinctrl.yaml

    diff --git a/Documentation/devicetree/bindings/pinctrl/intel,lgm-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/intel,lgm-pinctrl.yaml
    new file mode 100644
    index 000000000000..d54a3bda1f4f
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/pinctrl/intel,lgm-pinctrl.yaml
    @@ -0,0 +1,98 @@
    +# SPDX-License-Identifier: GPL-2.0-only
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/bindings/pinctrl/intel,lgm-pinctrl.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Intel Lightning Mountain SoC pinmux & GPIO controller binding
    +
    +maintainers:
    + - Rahul Tanwar <rahul.tanwar@linux.intel.com>
    +
    +description: |
    + Pinmux & GPIO controller controls pin multiplexing & configuration including
    + GPIO function selection & GPIO attributes configuration.
    +
    + Please refer to [1] for details of the common pinctrl bindings used by the
    + client devices.
    +
    + [1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
    +
    +properties:
    + compatible:
    + const: intel,lgm-pinctrl
    +
    + reg:
    + maxItems: 1
    +
    +# Client device subnode's properties
    +patternProperties:
    + '-pins$':
    + type: object
    + description:
    + Pinctrl node's client devices use subnodes for desired pin configuration.
    + Client device subnodes use below standard properties.
    +
    + properties:
    + function:
    + $ref: /schemas/types.yaml#/definitions/string
    + description:
    + A string containing the name of the function to mux to the group.
    +
    + groups:
    + $ref: /schemas/types.yaml#/definitions/string-array
    + description:
    + An array of strings identifying the list of groups.
    +
    + pins:
    + $ref: /schemas/types.yaml#/definitions/uint32-array
    + description:
    + List of pins to select with this function.
    +
    + pinmux:
    + description: The applicable mux group.
    + allOf:
    + - $ref: "/schemas/types.yaml#/definitions/uint32-array"
    +
    + bias-pull-up:
    + type: boolean
    + bias-pull-down:
    + type: boolean
    + drive-strength:
    + type: boolean
    + slew-rate:
    + type: boolean
    + drive-open-drain:
    + type: boolean
    + output-enable:
    + type: boolean
    +
    + required:
    + - function
    + - groups
    +
    +required:
    + - compatible
    + - reg
    +
    +additionalProperties: false
    +
    +examples:
    + # Pinmux controller node
    + - |
    + pinctrl: pinctrl@e2880000 {
    + compatible = "intel,lgm-pinctrl";
    + reg = <0xe2880000 0x100000>;
    +
    + # Client device subnode
    + uart0-pins: uart0 {
    + pins = <64>, /* UART_RX0 */
    + <65>; /* UART_TX0 */
    + function = "CONSOLE_UART0";
    + pinmux = <1>,
    + <1>;
    + groups = "CONSOLE_UART0";
    + };
    + };
    +
    +...
    --
    2.11.0
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