boards: atmel: sam0: Add rtc configs

nandojve · kartben · commit b9466d28b6b4 · 2025-02-07T07:37:56.000+01:00
Add configurations to allow use of RTC driver and tests.

Signed-off-by: Gerson Fernando Budke &lt;nandojve@gmail.com&gt;
diff --git a/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts b/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2022 Kamil Serwus
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -82,6 +83,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	atmel,assigned-clocks = <&osc32kctrl 4>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-uart";
diff --git a/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.yaml b/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.yaml
@@ -1,5 +1,5 @@
 # Copyright (c) 2022 Kamil Serwus
-# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 identifier: samc21n_xpro
 name: SAM C21N Xplained Pro
@@ -17,6 +17,7 @@ supported:
   - gpio
   - i2c
   - pwm
+  - rtc
   - spi
   - uart
 vendor: atmel
diff --git a/boards/atmel/sam0/samd20_xpro/samd20_xpro.dts b/boards/atmel/sam0/samd20_xpro/samd20_xpro.dts
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2018 Sean Nyekjaer
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -51,6 +52,12 @@
 	clock-frequency = <DT_FREQ_M(48)>;
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-spi";
diff --git a/boards/atmel/sam0/samd20_xpro/samd20_xpro.yaml b/boards/atmel/sam0/samd20_xpro/samd20_xpro.yaml
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 
 identifier: samd20_xpro
@@ -14,6 +14,7 @@ supported:
   - flash
   - gpio
   - i2c
+  - rtc
   - spi
   - uart
   - watchdog
diff --git a/boards/atmel/sam0/samd21_xpro/samd21_xpro.dts b/boards/atmel/sam0/samd21_xpro/samd21_xpro.dts
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2018 Bryan O'Donoghue
- * Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -71,6 +71,12 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-uart";
diff --git a/boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml b/boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml
@@ -1,5 +1,5 @@
 # Copyright (c) 2018 Bryan O'Donoghue
-# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 
 identifier: samd21_xpro
@@ -17,6 +17,7 @@ supported:
   - gpio
   - i2c
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device
diff --git a/boards/atmel/sam0/same54_xpro/same54_xpro.dts b/boards/atmel/sam0/same54_xpro/same54_xpro.dts
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2019 Benjamin Valentin
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -68,6 +69,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	atmel,assigned-clocks = <&osc32kctrl 4>;
+};
+
 &sercom2 {
 	status = "okay";
 	compatible = "atmel,sam0-uart";
diff --git a/boards/atmel/sam0/same54_xpro/same54_xpro.yaml b/boards/atmel/sam0/same54_xpro/same54_xpro.yaml
@@ -18,6 +18,7 @@ supported:
   - i2c
   - netif:eth
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device
diff --git a/boards/atmel/sam0/saml21_xpro/saml21_xpro.dts b/boards/atmel/sam0/saml21_xpro/saml21_xpro.dts
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2021 Argentum Systems Ltd.
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -71,6 +72,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	atmel,assigned-clocks = <&osc32kctrl 4>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-spi";
diff --git a/boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml b/boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml
@@ -1,5 +1,5 @@
 # Copyright (c) 2021 Argentum Systems Ltd.
-# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 identifier: saml21_xpro
 name: SAM L21 Xplained Pro
@@ -17,6 +17,7 @@ supported:
   - gpio
   - i2c
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device
diff --git a/boards/atmel/sam0/samr21_xpro/samr21_xpro.dts b/boards/atmel/sam0/samr21_xpro/samr21_xpro.dts
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2019 Benjamin Valentin
- * Copyright (c) 2019-2024 Gerson Fernando Budke <nandojve@gmail.com>
+ * Copyright (c) 2019-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -122,6 +122,12 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-uart";
diff --git a/boards/atmel/sam0/samr21_xpro/samr21_xpro.yaml b/boards/atmel/sam0/samr21_xpro/samr21_xpro.yaml
@@ -19,6 +19,7 @@ supported:
   - i2c
   - netif
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device
diff --git a/boards/atmel/sam0/samr34_xpro/samr34_xpro.dts b/boards/atmel/sam0/samr34_xpro/samr34_xpro.dts
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2021 Argentum Systems Ltd.
+ # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -71,6 +72,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	atmel,assigned-clocks = <&osc32kctrl 4>;
+};
+
 &sercom0 {
 	status = "okay";
 	compatible = "atmel,sam0-uart";
diff --git a/boards/atmel/sam0/samr34_xpro/samr34_xpro.yaml b/boards/atmel/sam0/samr34_xpro/samr34_xpro.yaml
@@ -1,5 +1,5 @@
 # Copyright (c) 2021 Argentum Systems Ltd.
-# Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
+# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com>
 # SPDX-License-Identifier: Apache-2.0
 identifier: samr34_xpro
 name: SAM R34 Xplained Pro
@@ -17,6 +17,7 @@ supported:
   - gpio
   - i2c
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device

-Original file line number
+Diff line change
@@ @@ -1,4 +1,4 @@ @@
 -# Copyright (c) 2024 Gerson Fernando Budke <[email protected]>
 +# Copyright (c) 2024-2025 Gerson Fernando Budke <[email protected]>
 # SPDX-License-Identifier: Apache-2.0
 identifier: samd20_xpro
   - flash
   - gpio
   - i2c
 +  - rtc
   - spi
   - uart
   - watchdog