ARM: dts: stm32: Add RTC support for STM32F746 MCU

This patch adds STM32 RTC bindings for STM32F746.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index af4bfd4..bd8406b 100644 (file)
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -121,6 +121,20 @@
                        status = "disabled";
                };
 
+               rtc: rtc@40002800 {
+                       compatible = "st,stm32-rtc";
+                       reg = <0x40002800 0x400>;
+                       clocks = <&rcc 1 CLK_RTC>;
+                       clock-names = "ck_rtc";
+                       assigned-clocks = <&rcc 1 CLK_RTC>;
+                       assigned-clock-parents = <&rcc 1 CLK_LSE>;
+                       interrupt-parent = <&exti>;
+                       interrupts = <17 1>;
+                       interrupt-names = "alarm";
+                       st,syscfg = <&pwrcfg>;
+                       status = "disabled";
+               };
+
                usart2: serial@40004400 {
                        compatible = "st,stm32f7-usart", "st,stm32f7-uart";
                        reg = <0x40004400 0x400>;