ARM: dts: sun9i: Add device node for watchdog

On A80 there are 2 watchdogs, one in the main block, and one in the R (special) block. We do not have information on the R block watchdog, other than the register layout is the same, and the interrupt number. Both are able to reset the whole system.

Add the main watchdog, in case the R block is used for special purposes like running an RTOS.

---
 arch/arm/boot/dts/sun9i-a80.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

index ca272e92b85d..a43ad779ee2f 100644
@@ -565,6 +565,12 @@
 			clocks = <&osc24M>;
 		};
 
+		wdt: watchdog at 06000ca0 {
+			compatible = "allwinner,sun6i-a31-wdt";
+			reg = <0x06000ca0 0x20>;
+			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		pio: pinctrl at 06000800 {
 			compatible = "allwinner,sun9i-a80-pinctrl";
 			reg = <0x06000800 0x400>;

2.1.4

Applied, thanks!

Maxime

Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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