[RFC PATCH 3/3] riscv: dts: Add th1520 reset device tree

[Kwanghoon Son]

Add reset device tree for th1520 SoC

Signed-off-by: Kwanghoon Son <k.son@xxxxxxxxxxx>
---
 arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ++++
 arch/riscv/boot/dts/thead/th1520.dtsi                  | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
index a802ab110429..b689cc049ad8 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
@@ -36,3 +36,7 @@ &uart_sclk {
 &dmac0 {
 	status = "okay";
 };
+
+&rst {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index ce708183b6f6..1cacfa386d19 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -5,6 +5,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/reset/th1520-reset.h>
 
 / {
 	compatible = "thead,th1520";
@@ -418,5 +419,12 @@ portf: gpio-controller@0 {
 				interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
+
+		rst: reset-controller@ffef014000 {
+			compatible = "thead,th1520-reset", "syscon";
+			reg = <0xff 0xef014000 0x0 0x1000>;
+			#reset-cells = <1>;
+			status = "disabled";
+		};
 	};
 };
-- 
2.34.1