# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/gpio/gpio-davinci.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: GPIO controller for Davinci and keystone devices
maintainers:
- Keerthy <j-keerthy@ti.com>
properties:
compatible:
oneOf:
- items:
- enum:
- ti,k2g-gpio
- ti,am654-gpio
- ti,j721e-gpio
- ti,am64-gpio
- const: ti,keystone-gpio
- items:
- enum:
- ti,dm6441-gpio
- ti,keystone-gpio
reg:
maxItems: 1
gpio-controller: true
gpio-ranges: true
gpio-reserved-ranges: true
gpio-line-names:
description: strings describing the names of each gpio line.
minItems: 1
maxItems: 144
"#gpio-cells":
const: 2
description:
first cell is the pin number and second cell is used to specify optional parameters (unused).
interrupts:
description:
The interrupts are specified as per the interrupt parent. Only banked
or unbanked IRQs are supported at a time. If the interrupts are
banked then provide list of interrupts corresponding to each bank, else
provide the list of interrupts for each gpio.
minItems: 1
maxItems: 100
ti,ngpio:
$ref: /schemas/types.yaml#/definitions/uint32
description: The number of GPIO pins supported consecutively.
minimum: 1
ti,davinci-gpio-unbanked:
$ref: /schemas/types.yaml#/definitions/uint32
description: The number of GPIOs that have an individual interrupt line to processor.
minimum: 0
clocks:
maxItems: 1
clock-names:
const: gpio
interrupt-controller: true
power-domains:
maxItems: 1
"#interrupt-cells":
const: 2
patternProperties:
"^(.+-hog(-[0-9]+)?)$":
type: object
required:
- gpio-hog
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
- interrupts
- ti,ngpio
- ti,davinci-gpio-unbanked
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include<dt-bindings/interrupt-controller/arm-gic.h>
gpio0: gpio@2603000 {
compatible = "ti,k2g-gpio", "ti,keystone-gpio";
reg = <0x02603000 0x100>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
interrupt-controller;
#interrupt-cells = <2>;
ti,ngpio = <144>;
ti,davinci-gpio-unbanked = <0>;
clocks = <&k2g_clks 0x001b 0x0>;
clock-names = "gpio";
};
- |
#include<dt-bindings/interrupt-controller/arm-gic.h>
gpio1: gpio@260bf00 {
compatible = "ti,keystone-gpio";
reg = <0x0260bf00 0x100>;
gpio-controller;
#gpio-cells = <2>;
/* HW Interrupts mapped to GPIO pins */
interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 121 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 122 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 123 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 124 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 125 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 126 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 127 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 128 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 129 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 130 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 131 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 132 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 133 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 134 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 135 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 136 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 137 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 138 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 139 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 140 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 141 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 142 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 143 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 144 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 145 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 146 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 147 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 148 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 149 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 150 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 151 IRQ_TYPE_EDGE_RISING>;
clocks = <&clkgpio>;
clock-names = "gpio";
ti,ngpio = <32>;
ti,davinci-gpio-unbanked = <32>;
};
- |
wkup_gpio0: gpio0@42110000 {
compatible = "ti,am654-gpio", "ti,keystone-gpio";
reg = <0x42110000 0x100>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&intr_wkup_gpio>;
interrupts = <60>, <61>, <62>, <63>;
interrupt-controller;
#interrupt-cells = <2>;
ti,ngpio = <56>;
ti,davinci-gpio-unbanked = <0>;
clocks = <&k3_clks 59 0>;
clock-names = "gpio";
};
