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# 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>;
};
};
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