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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/intel,lgm-io.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Intel Lightning Mountain SoC pinmux & GPIO controller binding
maintainers:
- Rahul Tanwar <rahul.tanwar@linux.intel.com>
description: |
Pinmux & GPIO controller controls pin multiplexing & configuration including
GPIO function selection & GPIO attributes configuration.
properties:
compatible:
const: intel,lgm-io
reg:
maxItems: 1
# Client device subnode's properties
patternProperties:
'-pins$':
type: object
allOf:
- $ref: pincfg-node.yaml#
- $ref: pinmux-node.yaml#
description:
Pinctrl node's client devices use subnodes for desired pin configuration.
Client device subnodes use below standard properties.
properties:
function: true
groups: true
pins: true
pinmux: true
bias-pull-up: true
bias-pull-down: true
drive-strength: true
slew-rate: true
drive-open-drain: true
output-enable: true
required:
- function
- groups
additionalProperties: false
required:
- compatible
- reg
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl: pinctrl@e2880000 {
compatible = "intel,lgm-io";
reg = <0xe2880000 0x100000>;
uart0-pins {
pins = <64>, /* UART_RX0 */
<65>; /* UART_TX0 */
function = "CONSOLE_UART0";
pinmux = <1>,
<1>;
groups = "CONSOLE_UART0";
};
};
...
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