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SubjectRe: [PATCH v1 03/12] dt-bindings: pinctrl: add i.MXRT1170 pinctrl Documentation
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On 26/03/2022 15:43, Jesse Taube wrote:
> 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

You miss pinctrl.yaml, why?

> +
> +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>;
> + };
> + };


Best regards,
Krzysztof

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