linux-kernel - [PATCH v4 3/3] ARM: dts: mstar: Add watchdog device

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Message-Id: <20210611200801.52139-4-romain.perier@gmail.com>
Date:   Fri, 11 Jun 2021 22:08:01 +0200
From:   Romain Perier <romain.perier@...il.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Daniel Palmer <daniel@...f.com>,
        Mohammed Billoo <mohammed.billoo@...il.com>,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 3/3] ARM: dts: mstar: Add watchdog device_node definition

This adds the definition of both an oscillator at 12Mhz required by the
the watchdog and the watchdog device_node.

Signed-off-by: Romain Perier <romain.perier@...il.com>
---
 arch/arm/boot/dts/mstar-v7.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
index 075d583d6f40..2273295e140f 100644
--- a/arch/arm/boot/dts/mstar-v7.dtsi
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -60,6 +60,14 @@ rtc_xtal: rtc_xtal {
 			clock-frequency = <32768>;
 			status = "disabled";
 		};
+
+		xtal_div2: xtal_div2 {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clocks = <&xtal>;
+			clock-div = <2>;
+			clock-mult = <1>;
+		};
 	};
 
 	soc: soc {
@@ -101,6 +109,12 @@ reboot {
 				mask = <0x79>;
 			};
 
+			watchdog@...0 {
+				compatible = "mstar,msc313e-wdt";
+				reg = <0x6000 0x1f>;
+				clocks = <&xtal_div2>;
+			};
+
 			intc_fiq: interrupt-controller@...310 {
 				compatible = "mstar,mst-intc";
 				reg = <0x201310 0x40>;
-- 
2.30.2