From fabf544f56efec7459aaa01f0a9854900df20db3 Mon Sep 17 00:00:00 2001
From: Gerson Fernando Budke <nandojve@gmail.com>
Date: Sun, 17 Nov 2024 14:48:32 +0100
Subject: [PATCH] boards: atmel: sam0: Add rtc configs

Add configurations to allow use of RTC driver and tests.

Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
---
 boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts  | 8 ++++++++
 boards/atmel/sam0/samc21n_xpro/samc21n_xpro.yaml | 1 +
 boards/atmel/sam0/samd20_xpro/samd20_xpro.dts    | 6 ++++++
 boards/atmel/sam0/samd20_xpro/samd20_xpro.yaml   | 1 +
 boards/atmel/sam0/samd21_xpro/samd21_xpro.dts    | 6 ++++++
 boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml   | 1 +
 boards/atmel/sam0/same54_xpro/same54_xpro.dts    | 8 ++++++++
 boards/atmel/sam0/same54_xpro/same54_xpro.yaml   | 1 +
 boards/atmel/sam0/saml21_xpro/saml21_xpro.dts    | 8 ++++++++
 boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml   | 1 +
 boards/atmel/sam0/samr21_xpro/samr21_xpro.dts    | 6 ++++++
 boards/atmel/sam0/samr21_xpro/samr21_xpro.yaml   | 1 +
 boards/atmel/sam0/samr34_xpro/samr34_xpro.dts    | 8 ++++++++
 boards/atmel/sam0/samr34_xpro/samr34_xpro.yaml   | 1 +
 14 files changed, 57 insertions(+)

diff --git a/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts b/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts
index 3827dc104d993c..006a588ad77a02 100644
--- a/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts
+++ b/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.dts
@@ -82,6 +82,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	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
index 428d79e1110643..64d075fa29740e 100644
--- a/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.yaml
+++ b/boards/atmel/sam0/samc21n_xpro/samc21n_xpro.yaml
@@ -18,6 +18,7 @@ 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
index 83f5df99c05a2e..59e890b328ba67 100644
--- a/boards/atmel/sam0/samd20_xpro/samd20_xpro.dts
+++ b/boards/atmel/sam0/samd20_xpro/samd20_xpro.dts
@@ -51,6 +51,12 @@
 	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
index 1db726120e1477..cb51b34188c9b9 100644
--- a/boards/atmel/sam0/samd20_xpro/samd20_xpro.yaml
+++ b/boards/atmel/sam0/samd20_xpro/samd20_xpro.yaml
@@ -15,6 +15,7 @@ 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
index f390bc106de9a9..74a496b392af5b 100644
--- a/boards/atmel/sam0/samd21_xpro/samd21_xpro.dts
+++ b/boards/atmel/sam0/samd21_xpro/samd21_xpro.dts
@@ -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
index 893f70c3ce67dd..753091c14b481d 100644
--- a/boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml
+++ b/boards/atmel/sam0/samd21_xpro/samd21_xpro.yaml
@@ -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
index f8d957727cd4d5..2666c055dc7b48 100644
--- a/boards/atmel/sam0/same54_xpro/same54_xpro.dts
+++ b/boards/atmel/sam0/same54_xpro/same54_xpro.dts
@@ -68,6 +68,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	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
index 1cddeeaf7ad9d5..27bb5f475064ae 100644
--- 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
index c0e0e43d666ba3..65f4b0c8531b80 100644
--- a/boards/atmel/sam0/saml21_xpro/saml21_xpro.dts
+++ b/boards/atmel/sam0/saml21_xpro/saml21_xpro.dts
@@ -71,6 +71,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	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
index be39f0dc5173ec..b92484160db0aa 100644
--- a/boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml
+++ b/boards/atmel/sam0/saml21_xpro/saml21_xpro.yaml
@@ -18,6 +18,7 @@ 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
index e53fdc80f554d4..00d35cdea325a4 100644
--- a/boards/atmel/sam0/samr21_xpro/samr21_xpro.dts
+++ b/boards/atmel/sam0/samr21_xpro/samr21_xpro.dts
@@ -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
index 1dc5df7614d6e4..893cde253b8008 100644
--- 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
index 964cd8af4dfc9f..cea5d539eda3d7 100644
--- a/boards/atmel/sam0/samr34_xpro/samr34_xpro.dts
+++ b/boards/atmel/sam0/samr34_xpro/samr34_xpro.dts
@@ -71,6 +71,14 @@
 	pinctrl-names = "default";
 };
 
+&rtc {
+	status = "okay";
+	counter-mode = "clock";
+	prescaler = <1024>;
+
+	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
index 488fba3bb324e9..0b88aec5649b06 100644
--- a/boards/atmel/sam0/samr34_xpro/samr34_xpro.yaml
+++ b/boards/atmel/sam0/samr34_xpro/samr34_xpro.yaml
@@ -18,6 +18,7 @@ supported:
   - gpio
   - i2c
   - pwm
+  - rtc
   - spi
   - uart
   - usb_device