linux-stable/Documentation/devicetree/bindings/pinctrl/fsl,imx8mn-pinctrl.yaml
Rafał Miłecki c09acbc499 dt-bindings: pinctrl: use pinctrl.yaml
Also fix some examples to avoid warnings like:
brcm,ns-pinmux.example.dt.yaml: pin-controller@1800c1c0: $nodename:0: 'pin-controller@1800c1c0' does not match '^pinctrl|pinmux@[0-9a-f]+$'

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211202063216.24439-1-zajec5@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-12-05 01:31:05 +01:00

84 lines
2.4 KiB
YAML

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mn-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale IMX8MN IOMUX Controller
maintainers:
- Anson Huang <Anson.Huang@nxp.com>
description:
Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
for common binding part and usage.
properties:
compatible:
const: fsl,imx8mn-iomuxc
reg:
maxItems: 1
# Client device subnode's properties
patternProperties:
'grp$':
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 <arch/arm64/boot/dts/freescale/imx8mn-pinfunc.h>. The last
integer CONFIG is the pad setting value like pull-up on this pin. Please
refer to i.MX8M Nano 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
allOf:
- $ref: "pinctrl.yaml#"
required:
- compatible
- reg
additionalProperties: false
examples:
# Pinmux controller node
- |
iomuxc: pinctrl@30330000 {
compatible = "fsl,imx8mn-iomuxc";
reg = <0x30330000 0x10000>;
pinctrl_uart2: uart2grp {
fsl,pins =
<0x23C 0x4A4 0x4FC 0x0 0x0 0x140>,
<0x240 0x4A8 0x000 0x0 0x0 0x140>;
};
};
...