From 1421dfb3f13602189210b590946433ec093c47cd Mon Sep 17 00:00:00 2001
From: Oane Kingma <o.kingma@interay.com>
Date: Fri, 8 Nov 2019 21:54:19 +0100
Subject: [PATCH] boards: efr32_slwstk6061a: Enable watchdog

This commit adds the following:
- EFR32FG1P SoC support for the watchdog
- efr32_slwstk6061a board support for the watchdog

Signed-off-by: Oane Kingma <o.kingma@interay.com>
---
 boards/arm/efr32_slwstk6061a/doc/index.rst          | 2 ++
 boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts  | 5 +++++
 boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml | 1 +
 dts/arm/silabs/efr32fg1p.dtsi                       | 8 ++++++++
 4 files changed, 16 insertions(+)

diff --git a/boards/arm/efr32_slwstk6061a/doc/index.rst b/boards/arm/efr32_slwstk6061a/doc/index.rst
index d22d7882e59..c9fd0d1c425 100644
--- a/boards/arm/efr32_slwstk6061a/doc/index.rst
+++ b/boards/arm/efr32_slwstk6061a/doc/index.rst
@@ -71,6 +71,8 @@ The efr32_slwstk6061a board configuration supports the following hardware featur
 +-----------+------------+-------------------------------------+
 | SPI(M)    | on-chip    | spi port-polling                    |
 +-----------+------------+-------------------------------------+
+| WATCHDOG  | on-chip    | watchdog                            |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 
diff --git a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
index 8d14b85158c..7b12b630ec4 100644
--- a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
+++ b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
@@ -25,6 +25,7 @@
 		led1 = &led1;
 		sw0 = &button0;
 		sw1 = &button1;
+		watchdog0 = &wdog0;
 	};
 
 	leds {
@@ -101,6 +102,10 @@
 	status = "okay";
 };
 
+&wdog0 {
+	status = "okay";
+};
+
 &flash0 {
 	/*
 	 * If the chosen node has no zephyr,code-partition property, the
diff --git a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml
index ad1e64efca6..9929ad73908 100644
--- a/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml
+++ b/boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml
@@ -12,6 +12,7 @@ supported:
   - gpio
   - nvs
   - spi
+  - watchdog
 testing:
   ignore_tags:
     - net
diff --git a/dts/arm/silabs/efr32fg1p.dtsi b/dts/arm/silabs/efr32fg1p.dtsi
index fdb30b686d4..1874d5ce254 100644
--- a/dts/arm/silabs/efr32fg1p.dtsi
+++ b/dts/arm/silabs/efr32fg1p.dtsi
@@ -147,6 +147,14 @@
 				#gpio-cells = <2>;
 			};
 		};
+
+		wdog0: wdog@40052000 {
+			compatible = "silabs,gecko-wdog";
+			reg = <0x40052000 0x2C>;
+			label = "WDOG0";
+			interrupts = <2 0>;
+			status = "disabled";
+		};
 	};
 };