soc: arm: nxp: ke1xf: add RTC support

Add support for the RTC present in the NXP Kinetis KE1xF SoC series. Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
zephyrproject-rtos · May 20, 2019 · 3cdb192 · 3cdb192
1 parent 5b400fb
commit 3cdb192
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diff --git a/dts/arm/nxp/nxp_ke1xf.dtsi b/dts/arm/nxp/nxp_ke1xf.dtsi
@@ -10,6 +10,7 @@
 
 / {
 	aliases {
+		rtc-0 = &rtc0;
 		uart-0 = &uart0;
 		uart-1 = &uart1;
 		uart-2 = &uart2;
@@ -63,6 +64,16 @@
 			#clock-cells = <1>;
 		};
 
+		rtc0: rtc@4003d000 {
+			compatible = "nxp,kinetis-rtc";
+			reg = <0x4003d000 0x1000>;
+			interrupts = <46 0>, <47 0>;
+			interrupt-names = "alarm", "seconds";
+			clock-frequency = <32768>;
+			prescaler = <32768>;
+			label = "RTC_0";
+		};
+
 		flash_controller: flash-controller@40020000 {
 			compatible = "nxp,kinetis-ftfe";
 			label = "FLASH_CTRL";

diff --git a/soc/arm/nxp_kinetis/ke1xf/Kconfig.defconfig.series b/soc/arm/nxp_kinetis/ke1xf/Kconfig.defconfig.series
@@ -25,6 +25,20 @@ config CLOCK_CONTROL_MCUX_PCC
 
 endif # CLOCK_CONTROL
 
+if RTC
+
+config RTC_MCUX
+	default y
+
+endif # RTC
+
+if COUNTER
+
+config COUNTER_MCUX_RTC
+	default y
+
+endif # COUNTER
+
 if PINMUX
 
 config PINMUX_MCUX

diff --git a/soc/arm/nxp_kinetis/ke1xf/Kconfig.series b/soc/arm/nxp_kinetis/ke1xf/Kconfig.series
@@ -16,6 +16,7 @@ config SOC_SERIES_KINETIS_KE1XF
 	select HAS_MCUX_FTFX
 	select HAS_MCUX_LPUART
 	select HAS_MCUX_PCC
+	select HAS_MCUX_RTC
 	select HAS_MCUX_SIM
 	help
 	  Enable support for Kinetis KE1xF MCU series
diff --git a/soc/arm/nxp_kinetis/ke1xf/dts_fixup.h b/soc/arm/nxp_kinetis/ke1xf/dts_fixup.h
@@ -18,6 +18,14 @@
 #define DT_MCUX_PCC_0_NAME			DT_NXP_KINETIS_PCC_40065000_LABEL
 #define DT_MCUX_PCC_0_BASE_ADDRESS		DT_NXP_KINETIS_PCC_40065000_BASE_ADDRESS
 
+#define CONFIG_RTC_0_NAME			DT_NXP_KINETIS_RTC_4003D000_LABEL
+#define CONFIG_RTC_PRESCALER			DT_NXP_KINETIS_RTC_4003D000_PRESCALER
+#define DT_RTC_0_NAME				DT_NXP_KINETIS_RTC_4003D000_LABEL
+#define DT_RTC_MCUX_0_NAME			DT_NXP_KINETIS_RTC_4003D000_LABEL
+#define DT_RTC_MCUX_0_BASE_ADDRESS		DT_NXP_KINETIS_RTC_4003D000_BASE_ADDRESS
+#define DT_RTC_MCUX_0_IRQ			DT_NXP_KINETIS_RTC_4003D000_IRQ_ALARM
+#define DT_RTC_MCUX_0_IRQ_PRI			DT_NXP_KINETIS_RTC_4003D000_IRQ_ALARM_PRIORITY
+
 #define DT_FLASH_DEV_BASE_ADDRESS		DT_NXP_KINETIS_FTFE_40020000_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME			DT_NXP_KINETIS_FTFE_40020000_LABEL