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dt-bindings: watchdog: Convert marvell,armada-3700-wdt to DT schema

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Convert the Marvell Armada 3700 watchdog binding to DT schema format.
It's a straight-forward conversion.

Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250812203301.726374-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Rob Herring (Arm) 2025-08-12 15:32:57 -05:00
parent 930c78583d
commit 638f9174e4
3 changed files with 42 additions and 24 deletions
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23
Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt
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@ -1,23 +0,0 @@
* Armada 37xx CPU Watchdog Timer Controller
Required properties:
- compatible : must be "marvell,armada-3700-wdt"
- reg : base physical address of the controller and length of memory mapped
region.
- clocks : the clock feeding the watchdog timer. See clock-bindings.txt
- marvell,system-controller : reference to syscon node for the CPU Miscellaneous
Registers
Example:
cpu_misc: system-controller@d000 {
compatible = "marvell,armada-3700-cpu-misc", "syscon";
reg = <0xd000 0x1000>;
};
wdt: watchdog@8300 {
compatible = "marvell,armada-3700-wdt";
reg = <0x8300 0x40>;
marvell,system-controller = <&cpu_misc>;
clocks = <&xtalclk>;
};

41
Documentation/devicetree/bindings/watchdog/marvell,armada-3700-wdt.yaml Normal file
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@ -0,0 +1,41 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/watchdog/marvell,armada-3700-wdt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Armada 37xx CPU Watchdog Timer Controller
maintainers:
- Marek Behún <kabel@kernel.org>
properties:
compatible:
const: marvell,armada-3700-wdt
reg:
maxItems: 1
clocks:
maxItems: 1
marvell,system-controller:
description: Reference to syscon node for the CPU Miscellaneous Registers
$ref: /schemas/types.yaml#/definitions/phandle
required:
- compatible
- reg
- clocks
- marvell,system-controller
additionalProperties: false
examples:
- |
watchdog@8300 {
compatible = "marvell,armada-3700-wdt";
reg = <0x8300 0x40>;
marvell,system-controller = <&cpu_misc>;
clocks = <&xtalclk>;
};

2
MAINTAINERS
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@ -2623,7 +2623,7 @@ F: Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt
F: Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml
F: Documentation/devicetree/bindings/interrupt-controller/marvell,mpic.yaml
F: Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml
F: Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt
F: Documentation/devicetree/bindings/watchdog/marvell,armada-3700-wdt.yaml
F: drivers/bus/moxtet.c
F: drivers/firmware/turris-mox-rwtm.c
F: drivers/gpio/gpio-moxtet.c