linux-stable/Documentation/devicetree/bindings/gpio/renesas,em-gio.yaml
Geert Uytterhoeven c22fc62b51 dt-bindings: gpio: Add renesas,em-gio bindings
Document Device Tree bindings for the Renesas EMMA Mobile General
Purpose I/O Interface.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20200519081157.29095-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-05-25 11:13:31 +02:00

70 lines
1.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/renesas,em-gio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas EMMA Mobile General Purpose I/O Interface
maintainers:
- Magnus Damm <magnus.damm@gmail.com>
properties:
compatible:
const: renesas,em-gio
reg:
items:
- description: First set of contiguous registers
- description: Second set of contiguous registers
interrupts:
items:
- description: Interrupt for the first set of 16 GPIO ports
- description: Interrupt for the second set of 16 GPIO ports
gpio-controller: true
'#gpio-cells':
const: 2
gpio-ranges:
maxItems: 1
ngpios:
minimum: 1
maximum: 32
interrupt-controller: true
'#interrupt-cells':
const: 2
required:
- compatible
- reg
- interrupts
- gpio-controller
- '#gpio-cells'
- gpio-ranges
- ngpios
- interrupt-controller
- '#interrupt-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
gpio0: gpio@e0050000 {
compatible = "renesas,em-gio";
reg = <0xe0050000 0x2c>, <0xe0050040 0x20>;
interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pfc 0 0 32>;
ngpios = <32>;
interrupt-controller;
#interrupt-cells = <2>;
};