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watchdog: renesas-wdt: add support for rza

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Describe the WDT hardware in the RZ/A series.

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Chris Brandt 2017-03-04 17:37:36 -05:00 committed by Wim Van Sebroeck
parent aea24187f6
commit 0ab1380804
1 changed files with 3 additions and 1 deletions
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Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
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@ -2,10 +2,11 @@ Renesas Watchdog Timer (WDT) Controller
Required properties:
- compatible : Should be "renesas,<soctype>-wdt", and
"renesas,rcar-gen3-wdt" as fallback.
"renesas,rcar-gen3-wdt" or "renesas,rza-wdt" as fallback.
Examples with soctypes are:
- "renesas,r8a7795-wdt" (R-Car H3)
- "renesas,r8a7796-wdt" (R-Car M3-W)
- "renesas,r7s72100-wdt" (RZ/A1)
When compatible with the generic version, nodes must list the SoC-specific
version corresponding to the platform first, followed by the generic
@ -17,6 +18,7 @@ Required properties:
Optional properties:
- timeout-sec : Contains the watchdog timeout in seconds
- power-domains : the power domain the WDT belongs to
- interrupts: Some WDTs have an interrupt when used in interval timer mode
Examples: