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/linux/Documentation/devicetree/bindings/watchdog/
H A Drenesas,rcar-gen3-wwdt.yaml4 $id: http://devicetree.org/schemas/watchdog/renesas,rcar-gen3-wwdt.yaml#
7 title: Renesas Window Watchdog Timer (WWDT) Controller
17 - renesas,r8a77970-wwdt # R-Car V3M
18 - renesas,r8a77980-wwdt # R-Car V3H
19 - const: renesas,rcar-gen3-wwdt
23 - renesas,r8a779a0-wwdt # R-Car V3U
24 - renesas,r8a779f0-wwdt # R-Car S4
25 - renesas,r8a779g0-wwdt # R-Car V4H
26 - renesas,r8a779h0-wwdt # R-Car V4M
27 - const: renesas,rcar-gen4-wwdt
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H A Dxlnx,versal-wwdt.yaml4 $id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml#
14 Window watchdog timer(WWDT) contains closed(first) and open(second)
17 too soon and a period that is not too late. The WWDT has to be
19 WWDT outside of the open window time period, it generates a reset.
27 - xlnx,versal-wwdt
45 compatible = "xlnx,versal-wwdt";
H A Dnxp,lpc1850-wwdt.yaml4 $id: http://devicetree.org/schemas/watchdog/nxp,lpc1850-wwdt.yaml#
14 const: nxp,lpc1850-wwdt
47 compatible = "nxp,lpc1850-wwdt";
/linux/drivers/watchdog/
H A Drenesas_wwdt.c3 * Driver for the Renesas Window Watchdog Timer (WWDT)
5 * The WWDT can only be setup once after boot. Because we cannot know if this
9 * the Error Control Module which then decides further actions. Or the WWDT is
146 { .compatible = "renesas,rcar-gen3-wwdt", },
147 { .compatible = "renesas,rcar-gen4-wwdt", },
161 MODULE_DESCRIPTION("Renesas Window Watchdog (WWDT) Driver");
H A Dxilinx_wwdt.c3 * Window watchdog device driver for Xilinx Versal WWDT
22 /* Register offsets for the WWDT device */
61 * @freq: source clock frequency of WWDT
236 { .compatible = "xlnx,versal-wwdt", },
H A Dlpc18xx_wdt.c274 { .compatible = "nxp,lpc1850-wwdt" },
H A DKconfig362 Window watchdog timer(WWDT) contains closed(first) and
366 late. The WWDT has to be restarted within the open window time.
367 If software tries to restart WWDT outside of the open window
973 tristate "Renesas Window WWDT Watchdog"
/linux/
H A DMAINTAINERS28636 F: Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml