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