ARM: dts: stm32: add RTC support on STM32H743

This patch adds support for RTC on STM32H743 SoC.
It also adds dt-bindings/interrupt-controller/irq.h include and uses it to
configure RTC alarm interrupt.

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/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 68fc12f..3a28cd2 100644 (file)
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -44,6 +44,7 @@
 #include "armv7-m.dtsi"
 #include <dt-bindings/clock/stm32h7-clks.h>
 #include <dt-bindings/mfd/stm32h7-rcc.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
        clocks {
@@ -347,6 +348,20 @@
                        status = "disabled";
                };
 
+               rtc: rtc@58004000 {
+                       compatible = "st,stm32h7-rtc";
+                       reg = <0x58004000 0x400>;
+                       clocks = <&rcc RTCAPB_CK>, <&rcc RTC_CK>;
+                       clock-names = "pclk", "rtc_ck";
+                       assigned-clocks = <&rcc RTC_CK>;
+                       assigned-clock-parents = <&rcc LSE_CK>;
+                       interrupt-parent = <&exti>;
+                       interrupts = <17 IRQ_TYPE_EDGE_RISING>;
+                       interrupt-names = "alarm";
+                       st,syscfg = <&pwrcfg>;
+                       status = "disabled";
+               };
+
                rcc: reset-clock-controller@58024400 {
                        compatible = "st,stm32h743-rcc", "st,stm32-rcc";
                        reg = <0x58024400 0x400>;