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c22fc62b51
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>
71 lines
1.5 KiB
YAML
71 lines
1.5 KiB
YAML
# 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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$id: http://devicetree.org/schemas/gpio/renesas,em-gio.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas EMMA Mobile General Purpose I/O Interface
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maintainers:
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- Magnus Damm <magnus.damm@gmail.com>
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properties:
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compatible:
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const: renesas,em-gio
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reg:
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items:
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- description: First set of contiguous registers
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- description: Second set of contiguous registers
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interrupts:
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items:
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- description: Interrupt for the first set of 16 GPIO ports
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- description: Interrupt for the second set of 16 GPIO ports
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gpio-controller: true
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'#gpio-cells':
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const: 2
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gpio-ranges:
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maxItems: 1
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ngpios:
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minimum: 1
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maximum: 32
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interrupt-controller: true
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'#interrupt-cells':
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const: 2
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required:
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- compatible
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- reg
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- interrupts
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- gpio-controller
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- '#gpio-cells'
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- gpio-ranges
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- ngpios
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- interrupt-controller
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- '#interrupt-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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gpio0: gpio@e0050000 {
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compatible = "renesas,em-gio";
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reg = <0xe0050000 0x2c>, <0xe0050040 0x20>;
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interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pfc 0 0 32>;
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ngpios = <32>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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