ARM: dts: rockchip: add watchdog node

This adds the Designware compatible watchdog found on RK3xxx Cortex-A9 SoCs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>

5 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3066a-bqcurie2.dts b/arch/arm/boot/dts/rk3066a-bqcurie2.dts
index 8b479f767561..042f821d9e4d 100644
--- a/arch/arm/boot/dts/rk3066a-bqcurie2.dts
+++ b/arch/arm/boot/dts/rk3066a-bqcurie2.dts
@@ -188,3 +188,7 @@
 &uart3 {
         status = "okay";
 };
+
+&wdt {
+        status = "okay";
+};
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index 9c34da4d8aad..879a818fba51 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -425,3 +425,7 @@
         pinctrl-names = "default";
         pinctrl-0 = <&uart3_xfer>;
 };
+
+&wdt {
+        compatible = "rockchip,rk3066-wdt", "snps,dw-wdt";
+};
diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index 4195f5a99e63..171b610db709 100644
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -221,3 +221,7 @@
 &uart3 {
         status = "okay";
 };
+
+&wdt {
+        status = "okay";
+};
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index 27215e0b5c3b..ee801a9c6b74 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -400,3 +400,7 @@
         pinctrl-names = "default";
         pinctrl-0 = <&uart3_xfer>;
 };
+
+&wdt {
+        compatible = "rockchip,rk3188-wdt", "snps,dw-wdt";
+};
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index c6f05610ed2d..8caf85d83901 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -174,6 +174,14 @@
                 status = "disabled";
         };
 
+        wdt: watchdog@2004c000 {
+                compatible = "snps,dw-wdt";
+                reg = <0x2004c000 0x100>;
+                clocks = <&cru PCLK_WDT>;
+                interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+                status = "disabled";
+        };
+
         pwm2: pwm@20050020 {
                 compatible = "rockchip,rk2928-pwm";
                 reg = <0x20050020 0x10>;