linuxdebug/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml

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YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/renesas,rcar-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car General-Purpose Input/Output Ports (GPIO)
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,gpio-r8a7778 # R-Car M1
- renesas,gpio-r8a7779 # R-Car H1
- const: renesas,rcar-gen1-gpio # R-Car Gen1
- items:
- enum:
- renesas,gpio-r8a7742 # RZ/G1H
- renesas,gpio-r8a7743 # RZ/G1M
- renesas,gpio-r8a7744 # RZ/G1N
- renesas,gpio-r8a7745 # RZ/G1E
- renesas,gpio-r8a77470 # RZ/G1C
- renesas,gpio-r8a7790 # R-Car H2
- renesas,gpio-r8a7791 # R-Car M2-W
- renesas,gpio-r8a7792 # R-Car V2H
- renesas,gpio-r8a7793 # R-Car M2-N
- renesas,gpio-r8a7794 # R-Car E2
- const: renesas,rcar-gen2-gpio # R-Car Gen2 or RZ/G1
- items:
- enum:
- renesas,gpio-r8a774a1 # RZ/G2M
- renesas,gpio-r8a774b1 # RZ/G2N
- renesas,gpio-r8a774c0 # RZ/G2E
- renesas,gpio-r8a774e1 # RZ/G2H
- renesas,gpio-r8a7795 # R-Car H3
- renesas,gpio-r8a7796 # R-Car M3-W
- renesas,gpio-r8a77961 # R-Car M3-W+
- renesas,gpio-r8a77965 # R-Car M3-N
- renesas,gpio-r8a77970 # R-Car V3M
- renesas,gpio-r8a77980 # R-Car V3H
- renesas,gpio-r8a77990 # R-Car E3
- renesas,gpio-r8a77995 # R-Car D3
- const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
- items:
- enum:
- renesas,gpio-r8a779a0 # R-Car V3U
- renesas,gpio-r8a779f0 # R-Car S4-8
- renesas,gpio-r8a779g0 # R-Car V4H
- const: renesas,rcar-gen4-gpio # R-Car Gen4
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
interrupt-controller: true
'#interrupt-cells':
const: 2
gpio-ranges:
maxItems: 1
gpio-reserved-ranges:
minItems: 1
maxItems: 8
patternProperties:
"^.*$":
if:
type: object
then:
properties:
gpio-hog: true
gpios: true
input: true
output-high: true
output-low: true
line-name: true
required:
- gpio-hog
- gpios
additionalProperties: false
required:
- compatible
- reg
- interrupts
- gpio-controller
- '#gpio-cells'
- gpio-ranges
- interrupt-controller
- '#interrupt-cells'
if:
not:
properties:
compatible:
contains:
enum:
- renesas,rcar-gen1-gpio
then:
required:
- clocks
- power-domains
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/r8a77470-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a77470-sysc.h>
gpio3: gpio@e6053000 {
compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
reg = <0xe6053000 0x50>;
interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 909>;
power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
resets = <&cpg 909>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pfc 0 96 30>;
gpio-reserved-ranges = <17 10>;
interrupt-controller;
#interrupt-cells = <2>;
};