boards: cc13x2/cc26x2*: enable WDT + update docs & sample

Enables the watchdog timer within the DTS of supported boards,
add sample overlays showing how to use NMI WDT interrupts and
updated the board features inside the boards' doc / yaml files.

Signed-off-by: Stancu Florin <niflostancu@gmail.com>

boards/arm/cc1352p1_launchxl/cc1352p1_launchxl.dts

@@ -19,6 +19,7 @@
 		led1 = &led1;
 		sw0 = &btn0;
 		sw1 = &btn1;
+		watchdog0 = &wdt0;
 	};
 
 	chosen {
@@ -145,3 +146,7 @@
 &ieee802154g {
 	status = "disabled";
 };
+
+&wdt0 {
+	status = "okay";
+};

boards/arm/cc1352p1_launchxl/cc1352p1_launchxl.yaml

@@ -12,3 +12,4 @@ supported:
   - gpio
   - i2c
   - spi
+  - watchdog

boards/arm/cc1352p1_launchxl/doc/index.rst

@@ -56,6 +56,8 @@ features:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| WDT       | on-chip    | watchdog             |
++-----------+------------+----------------------+
 
 Other hardware features have not been enabled yet for this board.
 

boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.dts

@@ -21,6 +21,7 @@
 		led1 = &led1;
 		sw0 = &btn0;
 		sw1 = &btn1;
+		watchdog0 = &wdt0;
 	};
 
 	chosen {
@@ -125,3 +126,7 @@
 &ieee802154g {
 	status = "disabled";
 };
+
+&wdt0 {
+	status = "okay";
+};

boards/arm/cc1352r1_launchxl/cc1352r1_launchxl.yaml

@@ -12,4 +12,5 @@ supported:
   - gpio
   - i2c
   - spi
+  - watchdog
   - adc

boards/arm/cc1352r1_launchxl/doc/index.rst

@@ -53,6 +53,8 @@ features:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| WDT       | on-chip    | watchdog             |
++-----------+------------+----------------------+
 | AUX_ADC   | on-chip    | adc                  |
 +-----------+------------+----------------------+
 

boards/arm/cc1352r_sensortag/cc1352r_sensortag.dts

@@ -27,6 +27,7 @@
 		sensor1 = &sensor1;
 		sensor2 = &sensor2;
 		accel0 = &sensor1;
+		watchdog0 = &wdt0;
 	};
 
 	chosen {
@@ -155,3 +156,7 @@
 &ieee802154g {
 	status = "okay";
 };
+
+&wdt0 {
+	status = "okay";
+};

boards/arm/cc1352r_sensortag/cc1352r_sensortag.yaml

@@ -12,4 +12,5 @@ supported:
   - gpio
   - i2c
   - spi
+  - watchdog
   - adc

boards/arm/cc1352r_sensortag/doc/index.rst

@@ -63,6 +63,8 @@ features:
 +-----------+------------+------------------+
 | SPI       | off-chip   | ADXL362          |
 +-----------+------------+------------------+
+| WDT       | on-chip    | watchdog         |
++-----------+------------+------------------+
 
 Other hardware features have not been enabled yet for this board.
 

boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.dts

@@ -21,6 +21,7 @@
 		led1 = &led1;
 		sw0 = &btn0;
 		sw1 = &btn1;
+		watchdog0 = &wdt0;
 	};
 
 	chosen {
@@ -113,3 +114,7 @@
 &rtc {
 	status = "okay";
 };
+
+&wdt0 {
+	status = "okay";
+};

boards/arm/cc26x2r1_launchxl/cc26x2r1_launchxl.yaml

@@ -12,4 +12,5 @@ supported:
   - gpio
   - i2c
   - spi
+  - watchdog
   - adc

boards/arm/cc26x2r1_launchxl/doc/index.rst

@@ -53,6 +53,8 @@ features:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| WDT       | on-chip    | watchdog             |
++-----------+------------+----------------------+
 | AUX_ADC   | on-chip    | adc                  |
 +-----------+------------+----------------------+
 

samples/drivers/watchdog/boards/cc1352r1_launchxl.overlay

@@ -0,0 +1,4 @@
+&wdt0 {
+	/* uncomment to use Non-Maskable interrupt instead of the normal one */
+	/* interrupt-nmi; */
+};

samples/drivers/watchdog/boards/cc1352r1_sensortag.overlay

@@ -0,0 +1,4 @@
+&wdt0 {
+	/* uncomment to use Non-Maskable interrupt instead of the normal one */
+	/* interrupt-nmi; */
+};

samples/drivers/watchdog/boards/cc26x2r1_launchxl.overlay

@@ -0,0 +1,4 @@
+&wdt0 {
+	/* uncomment to use Non-Maskable interrupt instead of the normal one */
+	/* interrupt-nmi; */
+};