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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
dt-bindings: watchdog: Convert marvell,orion-wdt to DT schema
Convert the Marvell Orion and Armada watchdog binding to DT schema
format. It's a straight-forward conversion.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
authored by
Rob Herring (Arm)
and committed by
Wim Van Sebroeck
fbd10d96
af34a253
+100
-45
-45
Documentation/devicetree/bindings/watchdog/marvel.txt
-45
Documentation/devicetree/bindings/watchdog/marvel.txt
···
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* Marvell Orion Watchdog Time
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-
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Required Properties:
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-
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- Compatibility : "marvell,orion-wdt"
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"marvell,armada-370-wdt"
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"marvell,armada-xp-wdt"
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"marvell,armada-375-wdt"
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"marvell,armada-380-wdt"
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-
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- reg : Should contain two entries: first one with the
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timer control address, second one with the
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rstout enable address.
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-
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For "marvell,armada-375-wdt" and "marvell,armada-380-wdt":
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-
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- reg : A third entry is mandatory and should contain the
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shared mask/unmask RSTOUT address.
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-
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Clocks required for compatibles = "marvell,orion-wdt",
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"marvell,armada-370-wdt":
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- clocks : Must contain a single entry describing the clock input
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-
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Clocks required for compatibles = "marvell,armada-xp-wdt"
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"marvell,armada-375-wdt"
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"marvell,armada-380-wdt":
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- clocks : Must contain an entry for each entry in clock-names.
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- clock-names : Must include the following entries:
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"nbclk" (L2/coherency fabric clock),
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"fixed" (Reference 25 MHz fixed-clock).
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Optional properties:
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- interrupts : Contains the IRQ for watchdog expiration
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- timeout-sec : Contains the watchdog timeout in seconds
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-
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Example:
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wdt@20300 {
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compatible = "marvell,orion-wdt";
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reg = <0x20300 0x28>, <0x20108 0x4>;
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interrupts = <3>;
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timeout-sec = <10>;
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clocks = <&gate_clk 7>;
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};
+100
Documentation/devicetree/bindings/watchdog/marvell,orion-wdt.yaml
+100
Documentation/devicetree/bindings/watchdog/marvell,orion-wdt.yaml
···
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# 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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$id: http://devicetree.org/schemas/watchdog/marvell,orion-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvell Orion Watchdog Timer
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maintainers:
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- Andrew Lunn <andrew@lunn.ch>
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- Gregory Clement <gregory.clement@bootlin.com>
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properties:
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compatible:
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enum:
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- marvell,orion-wdt
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- marvell,armada-370-wdt
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- marvell,armada-xp-wdt
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- marvell,armada-375-wdt
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- marvell,armada-380-wdt
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+
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reg:
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minItems: 2
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items:
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- description: Timer control register address
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- description: RSTOUT enable register address
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- description: Shared mask/unmask RSTOUT register address
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+
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clocks:
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minItems: 1
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items:
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- description: L2/coherency fabric clock input
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- description: Reference 25 MHz fixed-clock supply
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+
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clock-names:
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minItems: 1
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items:
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- const: nbclk
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- const: fixed
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+
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interrupts:
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minItems: 1
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items:
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- description: timeout
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- description: pre-timeout
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+
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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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- marvell,armada-375-wdt
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- marvell,armada-380-wdt
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then:
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properties:
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reg:
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minItems: 3
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else:
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properties:
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reg:
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maxItems: 2
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+
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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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- marvell,armada-xp-wdt
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- marvell,armada-375-wdt
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- marvell,armada-380-wdt
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then:
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properties:
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clocks:
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minItems: 2
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clock-names:
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minItems: 2
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interrupts:
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minItems: 2
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+
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required:
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- clock-names
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required:
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- compatible
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- reg
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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watchdog@20300 {
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compatible = "marvell,orion-wdt";
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reg = <0x20300 0x28>, <0x20108 0x4>;
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interrupts = <3>;
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timeout-sec = <10>;
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clocks = <&gate_clk 7>;
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};