boards: amd: kv260_r5: Enable RTC node

Add support for RTC in kv260_r5. Update kv260_r5_defconfig to enable
RTC alarm and calibration support in the rtc_api test.

Signed-off-by: Balanakakamal V <[email protected]>
Signed-off-by: Harini T <[email protected]>

Author: balanakv

boards/amd/kv260_r5/kv260_r5.dts

@@ -28,6 +28,7 @@
 	aliases {
 		eeprom-0 = &eeprom0;
 		eeprom-1 = &eeprom1;
+		rtc = &rtc0;
 	};
 
 	i2c_ref_clk: i2c-ref-clk {
@@ -52,6 +53,11 @@
 	status = "okay";
 };
 
+&rtc0 {
+	status = "okay";
+	clock-frequency = <32767>;
+};
+
 &i2c1 {
 	status = "okay";
 	clocks = <&i2c_ref_clk>;

boards/amd/kv260_r5/kv260_r5.yaml

@@ -9,6 +9,7 @@ supported:
   - i2c
   - eeprom
   - gpio
+  - rtc
 testing:
   ignore_tags:
     - net

boards/amd/kv260_r5/kv260_r5_defconfig

@@ -17,5 +17,9 @@ CONFIG_UART_XLNX_PS=y
 CONFIG_I2C=y
 CONFIG_EEPROM=y
 
+# Enable ALARM, CALIBRATION
+CONFIG_RTC_ALARM=y
+CONFIG_RTC_CALIBRATION=y
+
 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
 CONFIG_ARM_MPU=y