Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
115 lines
2.6 KiB
YAML
115 lines
2.6 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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$id: http://devicetree.org/schemas/watchdog/renesas,rcar-gen3-wwdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas Window Watchdog Timer (WWDT) Controller
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maintainers:
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- Wolfram Sang <wsa+renesas@sang-engineering.com>
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- renesas,r8a77970-wwdt # R-Car V3M
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- renesas,r8a77980-wwdt # R-Car V3H
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- const: renesas,rcar-gen3-wwdt
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- items:
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- enum:
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- renesas,r8a779a0-wwdt # R-Car V3U
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- renesas,r8a779f0-wwdt # R-Car S4
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- renesas,r8a779g0-wwdt # R-Car V4H
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- renesas,r8a779h0-wwdt # R-Car V4M
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- const: renesas,rcar-gen4-wwdt
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: Pretimeout, 75% of overflow reached
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- description: Error occurred
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interrupt-names:
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items:
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- const: pretimeout
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- const: error
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clocks:
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items:
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- description: Counting clock
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- description: Bus clock
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clock-names:
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items:
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- const: cnt
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- const: bus
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resets:
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minItems: 1
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maxItems: 2
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reset-names:
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minItems: 1
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items:
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- const: cnt
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- const: bus
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power-domains:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- clocks
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- clock-names
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- resets
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- reset-names
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- power-domains
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allOf:
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- $ref: watchdog.yaml#
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- if:
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properties:
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compatible:
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contains:
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enum:
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- renesas,r8a779a0-wwdt
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- renesas,r8a779f0-wwdt
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then:
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properties:
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resets:
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minItems: 2
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reset-names:
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minItems: 2
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a779g0-cpg-mssr.h>
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#include <dt-bindings/power/r8a779g0-sysc.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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watchdog@ffc90000 {
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compatible = "renesas,r8a779g0-wwdt",
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"renesas,rcar-gen4-wwdt";
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reg = <0xffc90000 0x10>;
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interrupts = <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "pretimeout", "error";
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clocks = <&cpg CPG_CORE R8A779G0_CLK_R>,
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<&cpg CPG_CORE R8A779G0_CLK_SASYNCRT>;
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clock-names = "cnt", "bus";
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power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
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resets = <&cpg 1200>;
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reset-names = "cnt";
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};
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