fsl,imx8ulp-pinctrl.yaml (2350B)
1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/fsl,imx8ulp-pinctrl.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale IMX8ULP IOMUX Controller 8 9maintainers: 10 - Jacky Bai <ping.bai@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,imx8ulp-iomuxc1 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 5 integers and represents the mux and config 35 setting for one pin. The first 4 integers <mux_config_reg input_reg 36 mux_mode input_val> are specified using a PIN_FUNC_ID macro, which can 37 be found in <arch/arm64/boot/dts/freescale/imx8ulp-pinfunc.h>. The last 38 integer CONFIG is the pad setting value like pull-up on this pin. Please 39 refer to i.MX8ULP Reference Manual for detailed CONFIG settings. 40 $ref: /schemas/types.yaml#/definitions/uint32-matrix 41 items: 42 items: 43 - description: | 44 "mux_config_reg" indicates the offset of mux register. 45 - description: | 46 "input_reg" indicates the offset of select input register. 47 - description: | 48 "mux_mode" indicates the mux value to be applied. 49 - description: | 50 "input_val" indicates the select input value to be applied. 51 - description: | 52 "pad_setting" indicates the pad configuration value to be applied. 53 54 required: 55 - fsl,pins 56 57 additionalProperties: false 58 59allOf: 60 - $ref: "pinctrl.yaml#" 61 62required: 63 - compatible 64 - reg 65 66additionalProperties: false 67 68examples: 69 # Pinmux controller node 70 - | 71 iomuxc: pinctrl@298c0000 { 72 compatible = "fsl,imx8ulp-iomuxc1"; 73 reg = <0x298c0000 0x10000>; 74 75 pinctrl_lpuart5: lpuart5grp { 76 fsl,pins = 77 <0x0138 0x08F0 0x4 0x3 0x3>, 78 <0x013C 0x08EC 0x4 0x3 0x3>; 79 }; 80 }; 81 82...