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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Aspeed GPIO controller
maintainers:
- Andrew Jeffery <andrew@codeconstruct.com.au>
properties:
compatible:
enum:
- aspeed,ast2400-gpio
- aspeed,ast2500-gpio
- aspeed,ast2600-gpio
reg:
maxItems: 1
clocks:
maxItems: 1
description: The clock to use for debounce timings
gpio-controller: true
gpio-line-names:
minItems: 36
maxItems: 232
gpio-ranges: true
"#gpio-cells":
const: 2
interrupts:
maxItems: 1
interrupt-controller: true
"#interrupt-cells":
const: 2
ngpios:
minimum: 36
maximum: 232
required:
- compatible
- reg
- interrupts
- interrupt-controller
- "#interrupt-cells"
- gpio-controller
- "#gpio-cells"
allOf:
- if:
properties:
compatible:
contains:
const: aspeed,ast2400-gpio
then:
properties:
gpio-line-names:
minItems: 220
maxItems: 220
ngpios:
const: 220
- if:
properties:
compatible:
contains:
const: aspeed,ast2500-gpio
then:
properties:
gpio-line-names:
minItems: 232
maxItems: 232
ngpios:
const: 232
- if:
properties:
compatible:
contains:
const: aspeed,ast2600-gpio
then:
properties:
gpio-line-names:
minItems: 36
maxItems: 208
ngpios:
enum: [ 36, 208 ]
required:
- ngpios
additionalProperties: false
examples:
- |
gpio@1e780000 {
compatible = "aspeed,ast2400-gpio";
reg = <0x1e780000 0x1000>;
interrupts = <20>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
};
- |
gpio: gpio@1e780000 {
compatible = "aspeed,ast2500-gpio";
reg = <0x1e780000 0x200>;
interrupts = <20>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pinctrl 0 0 232>;
};
- |
#include <dt-bindings/clock/ast2600-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
gpio0: gpio@1e780000 {
compatible = "aspeed,ast2600-gpio";
reg = <0x1e780000 0x400>;
clocks = <&syscon ASPEED_CLK_APB2>;
interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
#gpio-cells = <2>;
gpio-controller;
gpio-ranges = <&pinctrl 0 0 208>;
ngpios = <208>;
};
gpio1: gpio@1e780800 {
compatible = "aspeed,ast2600-gpio";
reg = <0x1e780800 0x800>;
clocks = <&syscon ASPEED_CLK_APB1>;
interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pinctrl 0 208 36>;
ngpios = <36>;
};
|
