# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/pinctrl/fsl,imxrt1050.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Freescale IMXRT1050 IOMUX Controller maintainers: - Giulio Benetti <giulio.benetti@benettiengineering.com> - Jesse Taube <Mr.Bossman075@gmail.com> description: Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory for common binding part and usage. properties: compatible: const: fsl,imxrt1050-iomuxc reg: maxItems: 1 # Client device subnode's properties patternProperties: 'grp$': 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 <include/dt-bindings/pinctrl/pins-imxrt1050.h>. The last integer CONFIG is the pad setting value like pull-up on this pin. Please refer to i.MXRT1050 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@401f8000 { compatible = "fsl,imxrt1050-iomuxc"; reg = <0x401f8000 0x4000>; pinctrl_lpuart1: lpuart1grp { fsl,pins = <0x0EC 0x2DC 0x000 0x2 0x0 0xf1>, <0x0F0 0x2E0 0x000 0x2 0x0 0xf1>; }; };