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