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>
---
v4:
* changed from timer@ to watchdog@
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..22f96b7 100644
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -382,6 +382,13 @@
cache-level = <2>;
};
+ wdt: watchdog@fcfe0000 {
+ compatible = "renesas,r7s72100-wdt", "renesas,rza-wdt";
+ reg = <0xfcfe0000 0x6>;
+ interrupts = <GIC_SPI 106 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&p0_clk>;
+ };
+
i2c0: i2c@fcfee000 {
#address-cells = <1>;
#size-cells = <0>;
--
2.10.1
