Add support for RTC (Real Time Clock) to STM32MP157C SoC.

Signed-off-by: Amelie Delaunay <amelie.delau...@st.com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi 
b/arch/arm/boot/dts/stm32mp157c.dtsi
index b66f673..df2d874 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -818,6 +818,15 @@
                        status = "disabled";
                };
 
+               rtc: rtc@5c004000 {
+                       compatible = "st,stm32mp1-rtc";
+                       reg = <0x5c004000 0x400>;
+                       clocks = <&rcc RTCAPB>, <&rcc RTC>;
+                       clock-names = "pclk", "rtc_ck";
+                       interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+               };
+
                i2c6: i2c@5c009000 {
                        compatible = "st,stm32f7-i2c";
                        reg = <0x5c009000 0x400>;
-- 
2.7.4

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