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[v4,2/3] watchdog: renesas-wdt: add support for rza

Message ID 20170302135746.30550-3-chris.brandt@renesas.com
State Not Applicable, archived
Headers show

Commit Message

Chris Brandt March 2, 2017, 1:57 p.m. UTC 
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>
---
v3:
* Add Acked-by, Reviewed-by.
v2:
* added to renesas-wdt.txt instead of creating a new file
* changed commit title
* added "renesas,rza-wdt" as a fallback
* added interrupts property
---
 Documentation/devicetree/bindings/watchdog/renesas-wdt.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
index da24e31..9e306af 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
@@ -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: