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watchdog: renesas-wdt: Add support for the r8a7796 wdt

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Document support for the Watchdog Timer (WDT) Controller in the Renesas
R-Car M3-W (r8a7796) SoC.

No driver update is needed.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Geert Uytterhoeven 2016-07-19 13:46:54 +02:00 committed by Wim Van Sebroeck
parent 9dd8d5f870
commit c682b5cb7e
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
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@ -1,7 +1,11 @@
Renesas Watchdog Timer (WDT) Controller
Required properties:
- compatible : Should be "renesas,r8a7795-wdt", or "renesas,rcar-gen3-wdt"
- compatible : Should be "renesas,<soctype>-wdt", and
"renesas,rcar-gen3-wdt" as fallback.
Examples with soctypes are:
- "renesas,r8a7795-wdt" (R-Car H3)
- "renesas,r8a7796-wdt" (R-Car M3-W)
When compatible with the generic version, nodes must list the SoC-specific
version corresponding to the platform first, followed by the generic