Re: [PATCH v3 3/3] ARM: dts: r7s72100: Add watchdog timer

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Hello!

On 3/2/2017 1:54 AM, Chris Brandt wrote:

Add watchdog timer support for RZ/A1.
For the RZ/A1, the only way to do a reset is to overflow the WDT, so this
is useful even if you don't need the watchdog functionality.

Signed-off-by: Chris Brandt <chris.brandt@xxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v3:
* added Reviewed-by
v2:
* changed "renesas,r7s72100-reset" to "renesas,r7s72100-wdt"
* changed "renesas,wdt-reset" to "renesas,rza-wdt"
* added interupt property (even though it is not used)
* added clocks property
---
 arch/arm/boot/dts/r7s72100.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index ed62e19..6ecee72 100644
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -382,6 +382,13 @@
 		cache-level = <2>;
 	};

+	wdt: timer@fcfe0000 {

   Why not watchdog@...? That name is standardized in ePAPR...

+		compatible = "renesas,r7s72100-wdt", "renesas,rza-wdt";
+		reg = <0xfcfe0000 0x6>;
+		interrupts = <GIC_SPI 106 IRQ_TYPE_EDGE_RISING>;
+		clocks = <&p0_clk>;
+	};
+
[...]

MBR, Sergei

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