| Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | # Copyright 2024 NXP |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/firmware/nxp,imx95-scmi-pinctrl.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: i.MX System Control and Management Interface (SCMI) Pinctrl Protocol |
| 9 | |
| 10 | maintainers: |
| 11 | - Peng Fan <peng.fan@nxp.com> |
| 12 | |
| 13 | allOf: |
| 14 | - $ref: /schemas/pinctrl/pinctrl.yaml |
| 15 | |
| 16 | patternProperties: |
| 17 | 'grp$': |
| 18 | type: object |
| 19 | description: |
| 20 | Pinctrl node's client devices use subnodes for desired pin configuration. |
| 21 | Client device subnodes use below standard properties. |
| 22 | |
| 23 | unevaluatedProperties: false |
| 24 | |
| 25 | properties: |
| 26 | fsl,pins: |
| 27 | description: |
| 28 | each entry consists of 6 integers and represents the mux and config |
| 29 | setting for one pin. The first 5 integers <mux_reg conf_reg input_reg |
| 30 | mux_val input_val> are specified using a PIN_FUNC_ID macro, which can |
| 31 | be found in <arch/arm64/boot/dts/freescale/imx95-pinfunc.h>. The last |
| 32 | integer CONFIG is the pad setting value like pull-up on this pin. |
| 33 | Please refer to i.MX95 Reference Manual for detailed CONFIG settings. |
| 34 | $ref: /schemas/types.yaml#/definitions/uint32-matrix |
| 35 | items: |
| 36 | items: |
| 37 | - description: | |
| 38 | "mux_reg" indicates the offset of mux register. |
| 39 | - description: | |
| 40 | "conf_reg" indicates the offset of pad configuration register. |
| 41 | - description: | |
| 42 | "input_reg" indicates the offset of select input register. |
| 43 | - description: | |
| 44 | "mux_val" indicates the mux value to be applied. |
| 45 | - description: | |
| 46 | "input_val" indicates the select input value to be applied. |
| 47 | - description: | |
| 48 | "pad_setting" indicates the pad configuration value to be applied. |
| 49 | |
| 50 | required: |
| 51 | - fsl,pins |
| 52 | |
| 53 | additionalProperties: true |