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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: OMAP GPIO controller bindings
maintainers:
- Grygorii Strashko <grygorii.strashko@ti.com>
description: |
The general-purpose interface combines general-purpose input/output (GPIO) banks.
Each GPIO banks provides up to 32 dedicated general-purpose pins with input
and output capabilities; interrupt generation in active mode and wake-up
request generation in idle mode upon the detection of external events.
properties:
compatible:
oneOf:
- enum:
- ti,omap2-gpio
- ti,omap3-gpio
- ti,omap4-gpio
- items:
- const: ti,am4372-gpio
- const: ti,omap4-gpio
reg:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
interrupt-controller: true
'#interrupt-cells':
const: 2
interrupts:
maxItems: 1
gpio-ranges: true
gpio-line-names:
minItems: 1
maxItems: 32
ti,gpio-always-on:
$ref: /schemas/types.yaml#/definitions/flag
description:
Indicates if a GPIO bank is always powered and will never lose its logic state.
ti,hwmods:
$ref: /schemas/types.yaml#/definitions/string
deprecated: true
description:
Name of the hwmod associated with the GPIO. Needed on some legacy OMAP
SoCs which have not been converted to the ti,sysc interconnect hierarachy.
ti,no-reset-on-init:
$ref: /schemas/types.yaml#/definitions/flag
deprecated: true
description:
Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which
have not been converted to the ti,sysc interconnect hierarachy.
patternProperties:
"^(.+-hog(-[0-9]+)?)$":
type: object
required:
- gpio-hog
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
- interrupt-controller
- "#interrupt-cells"
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
gpio0: gpio@0 {
compatible = "ti,omap4-gpio";
reg = <0x0 0x1000>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <96>;
ti,gpio-always-on;
ls-buf-en-hog {
gpio-hog;
gpios = <10 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "LS_BUF_EN";
};
};
|
