linux-watchdog 6.8-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAmWZQ70ACgkQ+iyteGJfRsqnWQCdEDp3l3BMyRPveNBdoH4lbhwa B9oAoJc0ZmbW4DKavdyWKt4wya7ByD6h =+x8M -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-6.8-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - Add Mediatek MT7988 watchdog - Add IT8659 watchdog - watchdog: set cdev owner before adding - hpwdt: Only claim UNKNOWN NMI if from iLO - Various other fixes and improvements * tag 'linux-watchdog-6.8-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits) watchdog: mlx_wdt: fix all kernel-doc warnings dt-bindings: watchdog: qcom,pm8916-wdt: add parent spmi node to example dt-bindings: watchdog: nxp,pnx4008-wdt: convert txt to yaml dt-bindings: watchdog: qca,ar7130-wdt: convert txt to yaml dt-bindings: watchdog: intel,keembay: reference common watchdog schema dt-bindings: watchdog: re-order entries to match coding convention watchdog: it87_wdt: Keep WDTCTRL bit 3 unmodified for IT8784/IT8786 watchdog: it87_wdt: Add IT8659 ID watchdog: it87_wdt: Remove redundant max_units setting watchdog: it87_wdt: add blank line after variable declaration dt-bindings: wdt: Add ts72xx dt-bindings: watchdog: dlg,da9062-watchdog: Document DA9063 watchdog dt-bindings: watchdog: dlg,da9062-watchdog: Add fallback for DA9061 watchdog watchdog: rti_wdt: Drop runtime pm reference count when watchdog is unused watchdog: starfive: add lock annotations to fix context imbalances watchdog: mediatek: mt7988: add wdt support dt-bindings: watchdog: mediatek,mtk-wdt: add MT7988 watchdog and toprgu dt-bindings: watchdog: realtek,rtd1295-watchdog: convert txt to yaml watchdog: bcm2835_wdt: Fix WDIOC_SETTIMEOUT handling watchdog/hpwdt: Remove unused variable ...
This commit is contained in:
Linus Torvalds
commit
61f4c3e671
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@ -6,13 +6,13 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 Watchdog
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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oneOf:
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@ -6,12 +6,12 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Alphascale asm9260 Watchdog timer
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Oleksij Rempel <linux@rempel-privat.de>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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const: alphascale,asm9260-wdt
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@ -6,12 +6,12 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Apple SoC Watchdog
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Sven Peter <sven@svenpeter.dev>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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items:
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@ -6,12 +6,12 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ARM Secure Monitor Call based watchdog
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Julius Werner <jwerner@chromium.org>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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enum:
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@ -6,14 +6,14 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: BCM63xx and BCM7038 watchdog timer
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Florian Fainelli <f.fainelli@gmail.com>
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- Justin Chen <justinpopo6@gmail.com>
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- Rafał Miłecki <rafal@milecki.pl>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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enum:
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@ -29,11 +29,11 @@ properties:
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The clock running the watchdog. If no clock is found the driver will
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default to 27000000 Hz.
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unevaluatedProperties: false
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required:
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- reg
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unevaluatedProperties: false
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examples:
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- |
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watchdog@f040a7e8 {
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@ -12,12 +12,12 @@ description: |
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timer counters. The first timer (called "Timer A") is the only one that can be
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used as watchdog.
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allOf:
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- $ref: watchdog.yaml#
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maintainers:
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- Baruch Siach <baruch@tkos.co.il>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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const: cnxt,cx92755-wdt
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@ -4,7 +4,7 @@
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$id: http://devicetree.org/schemas/watchdog/dlg,da9062-watchdog.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Dialog Semiconductor DA9062/61 Watchdog Timer
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title: Dialog Semiconductor DA906{1,2,3} Watchdog Timer
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maintainers:
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- Steve Twiss <stwiss.opensource@diasemi.com>
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@ -14,9 +14,13 @@ allOf:
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properties:
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compatible:
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enum:
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- dlg,da9061-watchdog
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- dlg,da9062-watchdog
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oneOf:
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- enum:
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- dlg,da9062-watchdog
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- dlg,da9063-watchdog
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- items:
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- const: dlg,da9061-watchdog
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- const: dlg,da9062-watchdog
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dlg,use-sw-pm:
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type: boolean
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@ -9,6 +9,9 @@ title: Intel Keem Bay SoC non-secure Watchdog Timer
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maintainers:
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- Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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enum:
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@ -37,7 +40,7 @@ required:
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- interrupt-names
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- clocks
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additionalProperties: false
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unevaluatedProperties: false
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examples:
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- |
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@ -6,14 +6,14 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim 63xx Watchdog Timers
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allOf:
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- $ref: watchdog.yaml#
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- $ref: /schemas/memory-controllers/mc-peripheral-props.yaml#
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maintainers:
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- Marc Zyngier <maz@kernel.org>
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- Linus Walleij <linus.walleij@linaro.org>
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allOf:
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- $ref: watchdog.yaml#
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- $ref: /schemas/memory-controllers/mc-peripheral-props.yaml#
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properties:
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compatible:
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enum:
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@ -25,6 +25,7 @@ properties:
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- mediatek,mt6735-wdt
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- mediatek,mt6795-wdt
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- mediatek,mt7986-wdt
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- mediatek,mt7988-wdt
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- mediatek,mt8183-wdt
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- mediatek,mt8186-wdt
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- mediatek,mt8188-wdt
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@ -0,0 +1,34 @@
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/watchdog/nxp,pnx4008-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PNX watchdog timer
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maintainers:
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- Roland Stigge <stigge@antcom.de>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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const: nxp,pnx4008-wdt
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reg:
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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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unevaluatedProperties: false
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examples:
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- |
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watchdog@4003c000 {
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compatible = "nxp,pnx4008-wdt";
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reg = <0x4003c000 0x1000>;
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timeout-sec = <10>;
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};
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@ -1,17 +0,0 @@
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* NXP PNX watchdog timer
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Required properties:
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- compatible: must be "nxp,pnx4008-wdt"
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- reg: physical base address of the controller and length of memory mapped
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region.
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Optional properties:
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- timeout-sec: contains the watchdog timeout in seconds.
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Example:
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watchdog@4003c000 {
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compatible = "nxp,pnx4008-wdt";
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reg = <0x4003C000 0x1000>;
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timeout-sec = <10>;
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};
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@ -0,0 +1,33 @@
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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/qca,ar7130-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Atheros AR7130 Watchdog Timer (WDT) Controller
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maintainers:
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- Gabor Juhos <juhosg@openwrt.org>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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const: qca,ar7130-wdt
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reg:
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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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unevaluatedProperties: false
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examples:
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- |
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watchdog@18060008 {
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compatible = "qca,ar7130-wdt";
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reg = <0x18060008 0x8>;
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};
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@ -1,13 +0,0 @@
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* Qualcomm Atheros AR7130 Watchdog Timer (WDT) Controller
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Required properties:
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- compatible: must be "qca,ar7130-wdt"
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- reg: physical base address of the controller and length of memory mapped
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region.
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Example:
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wdt@18060008 {
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compatible = "qca,ar9330-wdt", "qca,ar7130-wdt";
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reg = <0x18060008 0x8>;
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};
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@ -30,22 +30,27 @@ examples:
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/spmi/spmi.h>
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pmic@0 {
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compatible = "qcom,pm8916", "qcom,spmi-pmic";
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reg = <0x0 SPMI_USID>;
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#address-cells = <1>;
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spmi {
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#address-cells = <2>;
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#size-cells = <0>;
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pon@800 {
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compatible = "qcom,pm8916-pon";
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reg = <0x800>;
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mode-bootloader = <0x2>;
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mode-recovery = <0x1>;
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pmic@0 {
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compatible = "qcom,pm8916", "qcom,spmi-pmic";
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reg = <0x0 SPMI_USID>;
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#address-cells = <1>;
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#size-cells = <0>;
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watchdog {
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compatible = "qcom,pm8916-wdt";
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interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>;
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timeout-sec = <60>;
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pon@800 {
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compatible = "qcom,pm8916-pon";
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reg = <0x800>;
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mode-bootloader = <0x2>;
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mode-recovery = <0x1>;
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watchdog {
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compatible = "qcom,pm8916-wdt";
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interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>;
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timeout-sec = <60>;
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};
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};
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};
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};
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|
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@ -123,7 +123,7 @@ examples:
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compatible = "qcom,apss-wdt-sm8150", "qcom,kpss-wdt";
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reg = <0x17c10000 0x1000>;
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clocks = <&sleep_clk>;
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interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
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interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING>;
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timeout-sec = <10>;
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};
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|
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|
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|
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@ -1,17 +0,0 @@
|
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Realtek RTD1295 Watchdog
|
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========================
|
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Required properties:
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- compatible : Should be "realtek,rtd1295-watchdog"
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- reg : Specifies the physical base address and size of registers
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- clocks : Specifies one clock input
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|
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|
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Example:
|
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watchdog@98007680 {
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compatible = "realtek,rtd1295-watchdog";
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reg = <0x98007680 0x100>;
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clocks = <&osc27M>;
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};
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@ -0,0 +1,38 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/watchdog/realtek,rtd1295-watchdog.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Realtek RTD1295 Watchdog
|
||||
|
||||
maintainers:
|
||||
- Andreas Färber <afaerber@suse.de>
|
||||
|
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allOf:
|
||||
- $ref: watchdog.yaml#
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
const: realtek,rtd1295-watchdog
|
||||
|
||||
reg:
|
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maxItems: 1
|
||||
|
||||
clocks:
|
||||
maxItems: 1
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- reg
|
||||
- clocks
|
||||
|
||||
unevaluatedProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
watchdog@98007680 {
|
||||
compatible = "realtek,rtd1295-watchdog";
|
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reg = <0x98007680 0x100>;
|
||||
clocks = <&osc27M>;
|
||||
};
|
||||
|
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@ -6,12 +6,12 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
|
|||
|
||||
title: Synopsys Designware Watchdog Timer
|
||||
|
||||
allOf:
|
||||
- $ref: watchdog.yaml#
|
||||
|
||||
maintainers:
|
||||
- Jamie Iles <jamie@jamieiles.com>
|
||||
|
||||
allOf:
|
||||
- $ref: watchdog.yaml#
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
oneOf:
|
||||
|
|
@ -73,13 +73,13 @@ properties:
|
|||
minItems: 16
|
||||
maxItems: 16
|
||||
|
||||
unevaluatedProperties: false
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- reg
|
||||
- clocks
|
||||
|
||||
unevaluatedProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
watchdog@ffd02000 {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,45 @@
|
|||
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/watchdog/technologic,ts7200-wdt.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Technologic Systems TS-72xx based SBCs watchdog
|
||||
|
||||
maintainers:
|
||||
- Nikita Shubin <nikita.shubin@maquefel.me>
|
||||
|
||||
allOf:
|
||||
- $ref: watchdog.yaml#
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
oneOf:
|
||||
- const: technologic,ts7200-wdt
|
||||
- items:
|
||||
- enum:
|
||||
- technologic,ts7300-wdt
|
||||
- technologic,ts7260-wdt
|
||||
- technologic,ts7250-wdt
|
||||
- const: technologic,ts7200-wdt
|
||||
|
||||
reg:
|
||||
items:
|
||||
- description: control register
|
||||
- description: feed register
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- reg
|
||||
|
||||
unevaluatedProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
watchdog@23800000 {
|
||||
compatible = "technologic,ts7200-wdt";
|
||||
reg = <0x23800000 0x01>, <0x23c00000 0x01>;
|
||||
timeout-sec = <30>;
|
||||
};
|
||||
|
||||
...
|
||||
|
|
@ -6106,7 +6106,7 @@ F: Documentation/devicetree/bindings/regulator/dlg,da9*.yaml
|
|||
F: Documentation/devicetree/bindings/regulator/dlg,slg51000.yaml
|
||||
F: Documentation/devicetree/bindings/sound/da[79]*.txt
|
||||
F: Documentation/devicetree/bindings/thermal/da90??-thermal.txt
|
||||
F: Documentation/devicetree/bindings/watchdog/da90??-wdt.txt
|
||||
F: Documentation/devicetree/bindings/watchdog/dlg,da90??-watchdog.yaml
|
||||
F: Documentation/hwmon/da90??.rst
|
||||
F: drivers/gpio/gpio-da90??.c
|
||||
F: drivers/hwmon/da90??-hwmon.c
|
||||
|
|
|
|||
|
|
@ -324,7 +324,7 @@ static inline int of_at91wdt_init(struct device_node *np, struct at91wdt *wdt)
|
|||
}
|
||||
#endif
|
||||
|
||||
static int __init at91wdt_probe(struct platform_device *pdev)
|
||||
static int at91wdt_probe(struct platform_device *pdev)
|
||||
{
|
||||
int err;
|
||||
struct at91wdt *wdt;
|
||||
|
|
@ -372,15 +372,13 @@ static int __init at91wdt_probe(struct platform_device *pdev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int __exit at91wdt_remove(struct platform_device *pdev)
|
||||
static void at91wdt_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct at91wdt *wdt = platform_get_drvdata(pdev);
|
||||
watchdog_unregister_device(&wdt->wdd);
|
||||
|
||||
pr_warn("I quit now, hardware will probably reboot!\n");
|
||||
del_timer(&wdt->timer);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_OF)
|
||||
|
|
@ -393,14 +391,14 @@ MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);
|
|||
#endif
|
||||
|
||||
static struct platform_driver at91wdt_driver = {
|
||||
.remove = __exit_p(at91wdt_remove),
|
||||
.probe = at91wdt_probe,
|
||||
.remove_new = at91wdt_remove,
|
||||
.driver = {
|
||||
.name = "at91_wdt",
|
||||
.of_match_table = of_match_ptr(at91_wdt_dt_ids),
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver_probe(at91wdt_driver, at91wdt_probe);
|
||||
module_platform_driver(at91wdt_driver);
|
||||
|
||||
MODULE_AUTHOR("Renaud CERRATO <r.cerrato@til-technologies.fr>");
|
||||
MODULE_DESCRIPTION("Watchdog driver for Atmel AT91SAM9x processors");
|
||||
|
|
|
|||
|
|
@ -42,6 +42,7 @@
|
|||
|
||||
#define SECS_TO_WDOG_TICKS(x) ((x) << 16)
|
||||
#define WDOG_TICKS_TO_SECS(x) ((x) >> 16)
|
||||
#define WDOG_TICKS_TO_MSECS(x) ((x) * 1000 >> 16)
|
||||
|
||||
struct bcm2835_wdt {
|
||||
void __iomem *base;
|
||||
|
|
@ -140,7 +141,7 @@ static struct watchdog_device bcm2835_wdt_wdd = {
|
|||
.info = &bcm2835_wdt_info,
|
||||
.ops = &bcm2835_wdt_ops,
|
||||
.min_timeout = 1,
|
||||
.max_timeout = WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET),
|
||||
.max_hw_heartbeat_ms = WDOG_TICKS_TO_MSECS(PM_WDOG_TIME_SET),
|
||||
.timeout = WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET),
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -33,7 +33,6 @@
|
|||
#define DEFAULT_MARGIN 30
|
||||
#define PRETIMEOUT_SEC 9
|
||||
|
||||
static bool ilo5;
|
||||
static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */
|
||||
static bool nowayout = WATCHDOG_NOWAYOUT;
|
||||
static bool pretimeout = IS_ENABLED(CONFIG_HPWDT_NMI_DECODING);
|
||||
|
|
@ -178,10 +177,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
|
|||
"3. OA Forward Progress Log\n"
|
||||
"4. iLO Event Log";
|
||||
|
||||
if (ilo5 && ulReason == NMI_UNKNOWN && !mynmi)
|
||||
return NMI_DONE;
|
||||
|
||||
if (ilo5 && !pretimeout && !mynmi)
|
||||
if (ulReason == NMI_UNKNOWN && !mynmi)
|
||||
return NMI_DONE;
|
||||
|
||||
if (kdumptimeout < 0)
|
||||
|
|
@ -363,9 +359,6 @@ static int hpwdt_init_one(struct pci_dev *dev,
|
|||
pretimeout ? "on" : "off");
|
||||
dev_info(&dev->dev, "kdumptimeout: %d.\n", kdumptimeout);
|
||||
|
||||
if (dev->subsystem_vendor == PCI_VENDOR_ID_HP_3PAR)
|
||||
ilo5 = true;
|
||||
|
||||
return 0;
|
||||
|
||||
error_wd_register:
|
||||
|
|
|
|||
|
|
@ -13,9 +13,9 @@
|
|||
* http://www.ite.com.tw/
|
||||
*
|
||||
* Support of the watchdog timers, which are available on
|
||||
* IT8607, IT8613, IT8620, IT8622, IT8625, IT8628, IT8655, IT8665,
|
||||
* IT8686, IT8702, IT8712, IT8716, IT8718, IT8720, IT8721, IT8726,
|
||||
* IT8728, IT8772, IT8783 and IT8784.
|
||||
* IT8607, IT8613, IT8620, IT8622, IT8625, IT8628, IT8655, IT8659,
|
||||
* IT8665, IT8686, IT8702, IT8712, IT8716, IT8718, IT8720, IT8721,
|
||||
* IT8726, IT8728, IT8772, IT8783, IT8784 and IT8786.
|
||||
*/
|
||||
|
||||
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||||
|
|
@ -56,6 +56,7 @@
|
|||
#define IT8625_ID 0x8625
|
||||
#define IT8628_ID 0x8628
|
||||
#define IT8655_ID 0x8655
|
||||
#define IT8659_ID 0x8659
|
||||
#define IT8665_ID 0x8665
|
||||
#define IT8686_ID 0x8686
|
||||
#define IT8702_ID 0x8702
|
||||
|
|
@ -146,6 +147,7 @@ static inline void superio_outb(int val, int reg)
|
|||
static inline int superio_inw(int reg)
|
||||
{
|
||||
int val;
|
||||
|
||||
outb(reg++, REG);
|
||||
val = inb(VAL) << 8;
|
||||
outb(reg, REG);
|
||||
|
|
@ -256,6 +258,7 @@ static struct watchdog_device wdt_dev = {
|
|||
static int __init it87_wdt_init(void)
|
||||
{
|
||||
u8 chip_rev;
|
||||
u8 ctrl;
|
||||
int rc;
|
||||
|
||||
rc = superio_enter();
|
||||
|
|
@ -273,10 +276,6 @@ static int __init it87_wdt_init(void)
|
|||
case IT8712_ID:
|
||||
max_units = (chip_rev < 8) ? 255 : 65535;
|
||||
break;
|
||||
case IT8716_ID:
|
||||
case IT8726_ID:
|
||||
max_units = 65535;
|
||||
break;
|
||||
case IT8607_ID:
|
||||
case IT8613_ID:
|
||||
case IT8620_ID:
|
||||
|
|
@ -284,11 +283,14 @@ static int __init it87_wdt_init(void)
|
|||
case IT8625_ID:
|
||||
case IT8628_ID:
|
||||
case IT8655_ID:
|
||||
case IT8659_ID:
|
||||
case IT8665_ID:
|
||||
case IT8686_ID:
|
||||
case IT8716_ID:
|
||||
case IT8718_ID:
|
||||
case IT8720_ID:
|
||||
case IT8721_ID:
|
||||
case IT8726_ID:
|
||||
case IT8728_ID:
|
||||
case IT8772_ID:
|
||||
case IT8783_ID:
|
||||
|
|
@ -315,7 +317,18 @@ static int __init it87_wdt_init(void)
|
|||
|
||||
superio_select(GPIO);
|
||||
superio_outb(WDT_TOV1, WDTCFG);
|
||||
superio_outb(0x00, WDTCTRL);
|
||||
|
||||
switch (chip_type) {
|
||||
case IT8784_ID:
|
||||
case IT8786_ID:
|
||||
ctrl = superio_inb(WDTCTRL);
|
||||
ctrl &= 0x08;
|
||||
superio_outb(ctrl, WDTCTRL);
|
||||
break;
|
||||
default:
|
||||
superio_outb(0x00, WDTCTRL);
|
||||
}
|
||||
|
||||
superio_exit();
|
||||
|
||||
if (timeout < 1 || timeout > max_units * 60) {
|
||||
|
|
|
|||
|
|
@ -30,17 +30,15 @@
|
|||
* struct mlxreg_wdt - wd private data:
|
||||
*
|
||||
* @wdd: watchdog device;
|
||||
* @device: basic device;
|
||||
* @pdata: data received from platform driver;
|
||||
* @regmap: register map of parent device;
|
||||
* @timeout: defined timeout in sec.;
|
||||
* @action_idx: index for direct access to action register;
|
||||
* @timeout_idx:index for direct access to TO register;
|
||||
* @tleft_idx: index for direct access to time left register;
|
||||
* @ping_idx: index for direct access to ping register;
|
||||
* @reset_idx: index for direct access to reset cause register;
|
||||
* @regmap_val_sz: size of value in register map;
|
||||
* @wd_type: watchdog HW type;
|
||||
* @wdt_type: watchdog HW type;
|
||||
*/
|
||||
struct mlxreg_wdt {
|
||||
struct watchdog_device wdd;
|
||||
|
|
|
|||
|
|
@ -58,9 +58,13 @@
|
|||
#define WDT_SWSYSRST 0x18U
|
||||
#define WDT_SWSYS_RST_KEY 0x88000000
|
||||
|
||||
#define WDT_SWSYSRST_EN 0xfc
|
||||
|
||||
#define DRV_NAME "mtk-wdt"
|
||||
#define DRV_VERSION "1.0"
|
||||
|
||||
#define MT7988_TOPRGU_SW_RST_NUM 24
|
||||
|
||||
static bool nowayout = WATCHDOG_NOWAYOUT;
|
||||
static unsigned int timeout;
|
||||
|
||||
|
|
@ -71,10 +75,12 @@ struct mtk_wdt_dev {
|
|||
struct reset_controller_dev rcdev;
|
||||
bool disable_wdt_extrst;
|
||||
bool reset_by_toprgu;
|
||||
bool has_swsysrst_en;
|
||||
};
|
||||
|
||||
struct mtk_wdt_data {
|
||||
int toprgu_sw_rst_num;
|
||||
bool has_swsysrst_en;
|
||||
};
|
||||
|
||||
static const struct mtk_wdt_data mt2712_data = {
|
||||
|
|
@ -89,6 +95,11 @@ static const struct mtk_wdt_data mt7986_data = {
|
|||
.toprgu_sw_rst_num = MT7986_TOPRGU_SW_RST_NUM,
|
||||
};
|
||||
|
||||
static const struct mtk_wdt_data mt7988_data = {
|
||||
.toprgu_sw_rst_num = MT7988_TOPRGU_SW_RST_NUM,
|
||||
.has_swsysrst_en = true,
|
||||
};
|
||||
|
||||
static const struct mtk_wdt_data mt8183_data = {
|
||||
.toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM,
|
||||
};
|
||||
|
|
@ -109,6 +120,28 @@ static const struct mtk_wdt_data mt8195_data = {
|
|||
.toprgu_sw_rst_num = MT8195_TOPRGU_SW_RST_NUM,
|
||||
};
|
||||
|
||||
/**
|
||||
* toprgu_reset_sw_en_unlocked() - enable/disable software control for reset bit
|
||||
* @data: Pointer to instance of driver data.
|
||||
* @id: Bit number identifying the reset to be enabled or disabled.
|
||||
* @enable: If true, enable software control for that bit, disable otherwise.
|
||||
*
|
||||
* Context: The caller must hold lock of struct mtk_wdt_dev.
|
||||
*/
|
||||
static void toprgu_reset_sw_en_unlocked(struct mtk_wdt_dev *data,
|
||||
unsigned long id, bool enable)
|
||||
{
|
||||
u32 tmp;
|
||||
|
||||
tmp = readl(data->wdt_base + WDT_SWSYSRST_EN);
|
||||
if (enable)
|
||||
tmp |= BIT(id);
|
||||
else
|
||||
tmp &= ~BIT(id);
|
||||
|
||||
writel(tmp, data->wdt_base + WDT_SWSYSRST_EN);
|
||||
}
|
||||
|
||||
static int toprgu_reset_update(struct reset_controller_dev *rcdev,
|
||||
unsigned long id, bool assert)
|
||||
{
|
||||
|
|
@ -119,6 +152,9 @@ static int toprgu_reset_update(struct reset_controller_dev *rcdev,
|
|||
|
||||
spin_lock_irqsave(&data->lock, flags);
|
||||
|
||||
if (assert && data->has_swsysrst_en)
|
||||
toprgu_reset_sw_en_unlocked(data, id, true);
|
||||
|
||||
tmp = readl(data->wdt_base + WDT_SWSYSRST);
|
||||
if (assert)
|
||||
tmp |= BIT(id);
|
||||
|
|
@ -127,6 +163,9 @@ static int toprgu_reset_update(struct reset_controller_dev *rcdev,
|
|||
tmp |= WDT_SWSYS_RST_KEY;
|
||||
writel(tmp, data->wdt_base + WDT_SWSYSRST);
|
||||
|
||||
if (!assert && data->has_swsysrst_en)
|
||||
toprgu_reset_sw_en_unlocked(data, id, false);
|
||||
|
||||
spin_unlock_irqrestore(&data->lock, flags);
|
||||
|
||||
return 0;
|
||||
|
|
@ -406,6 +445,8 @@ static int mtk_wdt_probe(struct platform_device *pdev)
|
|||
wdt_data->toprgu_sw_rst_num);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
mtk_wdt->has_swsysrst_en = wdt_data->has_swsysrst_en;
|
||||
}
|
||||
|
||||
mtk_wdt->disable_wdt_extrst =
|
||||
|
|
@ -444,6 +485,7 @@ static const struct of_device_id mtk_wdt_dt_ids[] = {
|
|||
{ .compatible = "mediatek,mt6589-wdt" },
|
||||
{ .compatible = "mediatek,mt6795-wdt", .data = &mt6795_data },
|
||||
{ .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data },
|
||||
{ .compatible = "mediatek,mt7988-wdt", .data = &mt7988_data },
|
||||
{ .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
|
||||
{ .compatible = "mediatek,mt8186-wdt", .data = &mt8186_data },
|
||||
{ .compatible = "mediatek,mt8188-wdt", .data = &mt8188_data },
|
||||
|
|
|
|||
|
|
@ -77,6 +77,11 @@ static int rti_wdt_start(struct watchdog_device *wdd)
|
|||
{
|
||||
u32 timer_margin;
|
||||
struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);
|
||||
int ret;
|
||||
|
||||
ret = pm_runtime_resume_and_get(wdd->parent);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* set timeout period */
|
||||
timer_margin = (u64)wdd->timeout * wdt->freq;
|
||||
|
|
@ -343,6 +348,9 @@ static int rti_wdt_probe(struct platform_device *pdev)
|
|||
if (last_ping)
|
||||
watchdog_set_last_hw_keepalive(wdd, last_ping);
|
||||
|
||||
if (!watchdog_hw_running(wdd))
|
||||
pm_runtime_put_sync(&pdev->dev);
|
||||
|
||||
return 0;
|
||||
|
||||
err_iomap:
|
||||
|
|
@ -357,7 +365,10 @@ static void rti_wdt_remove(struct platform_device *pdev)
|
|||
struct rti_wdt_device *wdt = platform_get_drvdata(pdev);
|
||||
|
||||
watchdog_unregister_device(&wdt->wdd);
|
||||
pm_runtime_put(&pdev->dev);
|
||||
|
||||
if (!pm_runtime_suspended(&pdev->dev))
|
||||
pm_runtime_put(&pdev->dev);
|
||||
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -202,12 +202,14 @@ static u32 starfive_wdt_ticks_to_sec(struct starfive_wdt *wdt, u32 ticks)
|
|||
|
||||
/* Write unlock-key to unlock. Write other value to lock. */
|
||||
static void starfive_wdt_unlock(struct starfive_wdt *wdt)
|
||||
__acquires(&wdt->lock)
|
||||
{
|
||||
spin_lock(&wdt->lock);
|
||||
writel(wdt->variant->unlock_key, wdt->base + wdt->variant->unlock);
|
||||
}
|
||||
|
||||
static void starfive_wdt_lock(struct starfive_wdt *wdt)
|
||||
__releases(&wdt->lock)
|
||||
{
|
||||
writel(~wdt->variant->unlock_key, wdt->base + wdt->variant->unlock);
|
||||
spin_unlock(&wdt->lock);
|
||||
|
|
@ -504,7 +506,7 @@ err_exit:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int starfive_wdt_remove(struct platform_device *pdev)
|
||||
static void starfive_wdt_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct starfive_wdt *wdt = platform_get_drvdata(pdev);
|
||||
|
||||
|
|
@ -516,8 +518,6 @@ static int starfive_wdt_remove(struct platform_device *pdev)
|
|||
else
|
||||
/* disable clock without PM */
|
||||
starfive_wdt_disable_clock(wdt);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void starfive_wdt_shutdown(struct platform_device *pdev)
|
||||
|
|
@ -587,7 +587,7 @@ MODULE_DEVICE_TABLE(of, starfive_wdt_match);
|
|||
|
||||
static struct platform_driver starfive_wdt_driver = {
|
||||
.probe = starfive_wdt_probe,
|
||||
.remove = starfive_wdt_remove,
|
||||
.remove_new = starfive_wdt_remove,
|
||||
.shutdown = starfive_wdt_shutdown,
|
||||
.driver = {
|
||||
.name = "starfive-wdt",
|
||||
|
|
|
|||
|
|
@ -98,7 +98,7 @@ static struct watchdog_device txx9wdt = {
|
|||
.ops = &txx9wdt_ops,
|
||||
};
|
||||
|
||||
static int __init txx9wdt_probe(struct platform_device *dev)
|
||||
static int txx9wdt_probe(struct platform_device *dev)
|
||||
{
|
||||
int ret;
|
||||
|
||||
|
|
@ -145,12 +145,11 @@ exit:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int __exit txx9wdt_remove(struct platform_device *dev)
|
||||
static void txx9wdt_remove(struct platform_device *dev)
|
||||
{
|
||||
watchdog_unregister_device(&txx9wdt);
|
||||
clk_disable_unprepare(txx9_imclk);
|
||||
clk_put(txx9_imclk);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void txx9wdt_shutdown(struct platform_device *dev)
|
||||
|
|
@ -159,14 +158,14 @@ static void txx9wdt_shutdown(struct platform_device *dev)
|
|||
}
|
||||
|
||||
static struct platform_driver txx9wdt_driver = {
|
||||
.remove = __exit_p(txx9wdt_remove),
|
||||
.probe = txx9wdt_probe,
|
||||
.remove_new = txx9wdt_remove,
|
||||
.shutdown = txx9wdt_shutdown,
|
||||
.driver = {
|
||||
.name = "txx9wdt",
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver_probe(txx9wdt_driver, txx9wdt_probe);
|
||||
module_platform_driver(txx9wdt_driver);
|
||||
|
||||
MODULE_DESCRIPTION("TXx9 Watchdog Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
|
|
@ -1073,6 +1073,7 @@ static int watchdog_cdev_register(struct watchdog_device *wdd)
|
|||
|
||||
/* Fill in the data structures */
|
||||
cdev_init(&wd_data->cdev, &watchdog_fops);
|
||||
wd_data->cdev.owner = wdd->ops->owner;
|
||||
|
||||
/* Add the device */
|
||||
err = cdev_device_add(&wd_data->cdev, &wd_data->dev);
|
||||
|
|
@ -1087,8 +1088,6 @@ static int watchdog_cdev_register(struct watchdog_device *wdd)
|
|||
return err;
|
||||
}
|
||||
|
||||
wd_data->cdev.owner = wdd->ops->owner;
|
||||
|
||||
/* Record time of most recent heartbeat as 'just before now'. */
|
||||
wd_data->last_hw_keepalive = ktime_sub(ktime_get(), 1);
|
||||
watchdog_set_open_deadline(wd_data);
|
||||
|
|
|
|||
Loading…
Reference in New Issue