linux-stable/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml
John Crispin 4737499ca3 dt-bindings: arm: airoha: Add binding for Airoha GPIO controller
Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
GPIOs

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
[Bartosz: removed stray newline at the end of the file]
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-02-02 10:15:46 +01:00

66 lines
1.4 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/airoha,en7523-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Airoha EN7523 GPIO controller
maintainers:
- John Crispin <john@phrozen.org>
description: |
Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
GPIOs.
properties:
$nodename:
pattern: "^gpio@[0-9a-f]+$"
compatible:
items:
- const: airoha,en7523-gpio
reg:
description: |
The first tuple points to the input register.
The second and third tuple point to the direction registers
The fourth tuple points to the output register
maxItems: 4
"#gpio-cells":
const: 2
gpio-controller: true
required:
- compatible
- reg
- "#gpio-cells"
- gpio-controller
additionalProperties: false
examples:
- |
gpio0: gpio@1fbf0200 {
compatible = "airoha,en7523-gpio";
reg = <0x1fbf0204 0x4>,
<0x1fbf0200 0x4>,
<0x1fbf0220 0x4>,
<0x1fbf0214 0x4>;
gpio-controller;
#gpio-cells = <2>;
};
gpio1: gpio@1fbf0270 {
compatible = "airoha,en7523-gpio";
reg = <0x1fbf0270 0x4>,
<0x1fbf0260 0x4>,
<0x1fbf0264 0x4>,
<0x1fbf0278 0x4>;
gpio-controller;
#gpio-cells = <2>;
};
...