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    Subject[PATCH v1 03/12] dt-bindings: pinctrl: add i.MXRT1170 pinctrl Documentation
    Date
    Add i.MXRT1170 pinctrl binding Documentation

    Cc: Giulio Benetti <giulio.benetti@benettiengineering.com>
    Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
    ---
    .../bindings/pinctrl/fsl,imxrt1170.yaml | 77 +++++++++++++++++++
    1 file changed, 77 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml

    diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml
    new file mode 100644
    index 000000000000..2e880b3e537c
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml
    @@ -0,0 +1,77 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/pinctrl/fsl,imxrt1170.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Freescale i.MXRT1170 IOMUX Controller
    +
    +maintainers:
    + - Giulio Benetti <giulio.benetti@benettiengineering.com>
    + - Jesse Taube <Mr.Bossman075@gmail.com>
    +
    +description:
    + Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
    + for common binding part and usage.
    +
    +properties:
    + compatible:
    + const: fsl,imxrt1170-iomuxc
    +
    + reg:
    + maxItems: 1
    +
    +# Client device subnode's properties
    +patternProperties:
    + 'grp$':
    + type: object
    + description:
    + Pinctrl node's client devices use subnodes for desired pin configuration.
    + Client device subnodes use below standard properties.
    +
    + properties:
    + fsl,pins:
    + description:
    + each entry consists of 6 integers and represents the mux and config
    + setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
    + mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
    + be found in <arch/arm/boot/dts/imxrt1170-pinfunc.h>. The last
    + integer CONFIG is the pad setting value like pull-up on this pin. Please
    + refer to i.MXRT1170 Reference Manual for detailed CONFIG settings.
    + $ref: /schemas/types.yaml#/definitions/uint32-matrix
    + items:
    + items:
    + - description: |
    + "mux_reg" indicates the offset of mux register.
    + - description: |
    + "conf_reg" indicates the offset of pad configuration register.
    + - description: |
    + "input_reg" indicates the offset of select input register.
    + - description: |
    + "mux_val" indicates the mux value to be applied.
    + - description: |
    + "input_val" indicates the select input value to be applied.
    + - description: |
    + "pad_setting" indicates the pad configuration value to be applied.
    + required:
    + - fsl,pins
    +
    + additionalProperties: false
    +
    +required:
    + - compatible
    + - reg
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + iomuxc: iomuxc@400e8000 {
    + compatible = "fsl,imxrt1170-iomuxc";
    + reg = <0x400e8000 0x4000>;
    + pinctrl_lpuart1: lpuart1grp {
    + fsl,pins =
    + <0x16C 0x3B0 0x620 0x0 0x0 0xf1>,
    + <0x170 0x3B4 0x61C 0x0 0x0 0xf1>;
    + };
    + };
    --
    2.34.1
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