[PATCH v4 3/3] ARM: dts: mstar: Add watchdog device_node definition

From: Romain Perier <romain.perier@gmail.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>
Cc: Daniel Palmer <daniel@0x0f.com>,
	Mohammed Billoo <mohammed.billoo@gmail.com>,
	linux-watchdog@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v4 3/3] ARM: dts: mstar: Add watchdog device_node definition
Date: Fri, 11 Jun 2021 22:08:01 +0200	[thread overview]
Message-ID: <20210611200801.52139-4-romain.perier@gmail.com> (raw)
In-Reply-To: <20210611200801.52139-1-romain.perier@gmail.com>

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@gmail.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@6000 {
+				compatible = "mstar,msc313e-wdt";
+				reg = <0x6000 0x1f>;
+				clocks = <&xtal_div2>;
+			};
+
 			intc_fiq: interrupt-controller@201310 {
 				compatible = "mstar,mst-intc";
 				reg = <0x201310 0x40>;
-- 
2.30.2

