fsl,imx8mn-pinctrl.yaml (2460B)
1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mn-pinctrl.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale IMX8MN IOMUX Controller 8 9maintainers: 10 - Anson Huang <Anson.Huang@nxp.com> 11 12description: 13 Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory 14 for common binding part and usage. 15 16properties: 17 compatible: 18 const: fsl,imx8mn-iomuxc 19 20 reg: 21 maxItems: 1 22 23# Client device subnode's properties 24patternProperties: 25 'grp$': 26 type: object 27 description: 28 Pinctrl node's client devices use subnodes for desired pin configuration. 29 Client device subnodes use below standard properties. 30 31 properties: 32 fsl,pins: 33 description: 34 each entry consists of 6 integers and represents the mux and config 35 setting for one pin. The first 5 integers <mux_reg conf_reg input_reg 36 mux_val input_val> are specified using a PIN_FUNC_ID macro, which can 37 be found in <arch/arm64/boot/dts/freescale/imx8mn-pinfunc.h>. The last 38 integer CONFIG is the pad setting value like pull-up on this pin. Please 39 refer to i.MX8M Nano Reference Manual for detailed CONFIG settings. 40 $ref: /schemas/types.yaml#/definitions/uint32-matrix 41 items: 42 items: 43 - description: | 44 "mux_reg" indicates the offset of mux register. 45 - description: | 46 "conf_reg" indicates the offset of pad configuration register. 47 - description: | 48 "input_reg" indicates the offset of select input register. 49 - description: | 50 "mux_val" indicates the mux value to be applied. 51 - description: | 52 "input_val" indicates the select input value to be applied. 53 - description: | 54 "pad_setting" indicates the pad configuration value to be applied. 55 56 required: 57 - fsl,pins 58 59 additionalProperties: false 60 61allOf: 62 - $ref: "pinctrl.yaml#" 63 64required: 65 - compatible 66 - reg 67 68additionalProperties: false 69 70examples: 71 # Pinmux controller node 72 - | 73 iomuxc: pinctrl@30330000 { 74 compatible = "fsl,imx8mn-iomuxc"; 75 reg = <0x30330000 0x10000>; 76 77 pinctrl_uart2: uart2grp { 78 fsl,pins = 79 <0x23C 0x4A4 0x4FC 0x0 0x0 0x140>, 80 <0x240 0x4A8 0x000 0x0 0x0 0x140>; 81 }; 82 }; 83 84...