[PATCH 7/7] riscv: dts: eswin: add watchdog support

[Pinkesh Vaghela]

From: Pritesh Patel <pritesh.patel at einfochips.com>

Add watchdog node for ESWIN EIC7700 SoC and enable them for HiFive
Premier P550 board

Signed-off-by: Pritesh Patel <pritesh.patel at einfochips.com>
Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela at einfochips.com>
---
 .../dts/eswin/eic7700-hifive-premier-p550.dts | 16 ++++++++
 arch/riscv/boot/dts/eswin/eic7700.dtsi        | 40 +++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts b/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
index 0f0c98474c62..a188a5e1d526 100644
--- a/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
+++ b/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
@@ -193,3 +193,19 @@ &uart0 {
 &uart2 {
 	status = "okay";
 };
+
+&wdt0 {
+	status = "okay";
+};
+
+&wdt1 {
+	status = "okay";
+};
+
+&wdt2 {
+	status = "okay";
+};
+
+&wdt3 {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/eswin/eic7700.dtsi b/arch/riscv/boot/dts/eswin/eic7700.dtsi
index 28706431b2c0..a59a9932be0b 100644
--- a/arch/riscv/boot/dts/eswin/eic7700.dtsi
+++ b/arch/riscv/boot/dts/eswin/eic7700.dtsi
@@ -265,6 +265,46 @@ hsp_sp_csr: hsp-sp-top-csr at 50440000 {
 			};
 		};
 
+		wdt0: watchdog at 50800000 {
+			compatible = "snps,dw-wdt";
+			reg = <0x0 0x50800000 0x0 0x4000>;
+			interrupts = <87>;
+			clocks =<&clk EIC7700_CLK_GATE_LSP_WDT0_PCLK>;
+			clock-names = "tclk";
+			resets = <&reset EIC7700_RESET_WDT0>;
+			status = "disabled";
+		};
+
+		wdt1: watchdog at 50804000 {
+			compatible = "snps,dw-wdt";
+			reg = <0x0 0x50804000 0x0 0x4000>;
+			interrupts = <88>;
+			clocks =<&clk EIC7700_CLK_GATE_LSP_WDT1_PCLK>;
+			clock-names = "tclk";
+			resets = <&reset EIC7700_RESET_WDT1>;
+			status = "disabled";
+		};
+
+		wdt2: watchdog at 50808000 {
+			compatible = "snps,dw-wdt";
+			reg = <0x0 0x50808000 0x0 0x4000>;
+			interrupts = <89>;
+			clocks =<&clk EIC7700_CLK_GATE_LSP_WDT2_PCLK>;
+			clock-names = "tclk";
+			resets = <&reset EIC7700_RESET_WDT2>;
+			status = "disabled";
+		};
+
+		wdt3: watchdog at 5080c000 {
+			compatible = "snps,dw-wdt";
+			reg = <0x0 0x5080c000 0x0 0x4000>;
+			interrupts = <90>;
+			clocks =<&clk EIC7700_CLK_GATE_LSP_WDT3_PCLK>;
+			clock-names = "tclk";
+			resets = <&reset EIC7700_RESET_WDT3>;
+			status = "disabled";
+		};
+
 		uart0: serial at 50900000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x0 0x50900000 0x0 0x10000>;
-- 
2.34.1