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

Message ID 20210525184449.57703-4-romain.perier@gmail.com
State Superseded
Headers show
Series
  • Add watchdog for Mstar SoCs
Related show

Commit Message

Romain Perier May 25, 2021, 6:44 p.m.
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(+)

Patch

diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
index 3d5d8c634de3..23dff8fe4731 100644
--- a/arch/arm/boot/dts/mstar-v7.dtsi
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -62,6 +62,14 @@  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 {
@@ -119,6 +127,12 @@  pm_irin_pins: pm_irin {
 				};
 			};
 
+			watchdog: watchdog@6000 {
+				compatible = "mstar,msc313e-wdt";
+				reg = <0x6000 0x1f>;
+				clocks = <&xtal_div2>;
+			};
+
 			intc_fiq: interrupt-controller@201310 {
 				compatible = "mstar,mst-intc";
 				reg = <0x201310 0x40>;