1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/fsl,scu-pinctrl.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: i.MX SCU Client Device Node - Pinctrl Based on SCU Message Protocol 8 9maintainers: 10 - Dong Aisheng <aisheng.dong@nxp.com> 11 12description: i.MX SCU Client Device Node 13 Client nodes are maintained as children of the relevant IMX-SCU device node. 14 This binding uses the i.MX common pinctrl binding. 15 (Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt) 16 17allOf: 18 - $ref: pinctrl.yaml# 19 20properties: 21 compatible: 22 enum: 23 - fsl,imx8qm-iomuxc 24 - fsl,imx8qxp-iomuxc 25 - fsl,imx8dxl-iomuxc 26 27patternProperties: 28 'grp$': 29 type: object 30 description: 31 Pinctrl node's client devices use subnodes for desired pin configuration. 32 Client device subnodes use below standard properties. 33 34 properties: 35 fsl,pins: 36 description: 37 each entry consists of 3 integers and represents the pin ID, the mux value 38 and pad setting for the pin. The first 2 integers - pin_id and mux_val - are 39 specified using a PIN_FUNC_ID macro, which can be found in 40 <include/dt-bindings/pinctrl/pads-imx8qxp.h>. The last integer is 41 the pad setting value like pull-up on this pin. Please refer to the 42 appropriate i.MX8 Reference Manual for detailed pad CONFIG settings. 43 $ref: /schemas/types.yaml#/definitions/uint32-matrix 44 items: 45 items: 46 - description: | 47 "pin_id" indicates the pin ID 48 - description: | 49 "mux_val" indicates the mux value to be applied. 50 - description: | 51 "pad_setting" indicates the pad configuration value to be applied. 52 53 required: 54 - fsl,pins 55 56 additionalProperties: false 57 58required: 59 - compatible 60 61additionalProperties: false 62 63examples: 64 - | 65 pinctrl { 66 compatible = "fsl,imx8qxp-iomuxc"; 67 68 pinctrl_lpuart0: lpuart0grp { 69 fsl,pins = < 70 111 0 0x06000020 71 112 0 0x06000020 72 >; 73 }; 74 }; 75