67 lines
1.4 KiB
YAML
67 lines
1.4 KiB
YAML
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# 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 <john@phrozen.org>
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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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