linux-kernel - [PATCH] arm64: dts: visconti: Add watchdog support for TMPV7708 SoC

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Date:   Wed,  2 Dec 2020 22:21:43 +0900
From:   Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     punit1.agrawal@...hiba.co.jp, yuji2.ishikawa@...hiba.co.jp,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Subject: [PATCH] arm64: dts: visconti: Add watchdog support for TMPV7708 SoC

Add watchdog node in TMPV7708's dtsi, and tmpv7708-rm-mbrc boards's
dts.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
---
 arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts |  5 +++++
 arch/arm64/boot/dts/toshiba/tmpv7708.dtsi        | 12 ++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
index ed0bf7f13f54..37da418393e0 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
@@ -41,3 +41,8 @@ &uart1 {
 	clocks = <&uart_clk>;
 	clock-names = "apb_pclk";
 };
+
+&wdt {
+	status = "okay";
+	clocks = <&wdt_clk>;
+};
diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
index 242f25f4e12a..c360e68bef1d 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
@@ -134,6 +134,12 @@ uart_clk: uart-clk {
 		#clock-cells = <0>;
 	};
 
+	wdt_clk: wdt-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <150000000>;
+		#clock-cells = <0>;
+	};
+
 	soc {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -384,6 +390,12 @@ spi6: spi@...46000 {
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		wdt: wdt@...30000 {
+			compatible = "toshiba,visconti-wdt";
+			reg = <0 0x28330000 0 0x1000>;
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.29.2