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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>
This commit is contained in:
Amelie Delaunay 2018-02-16 14:16:00 +01:00 committed by Alexandre Torgue
parent 98bbfc5285
commit 732e7a6ee4
1 changed files with 15 additions and 0 deletions
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15
arch/arm/boot/dts/stm32h743.dtsi
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@ -44,6 +44,7 @@
#include "armv7-m.dtsi" #include "armv7-m.dtsi"
#include <dt-bindings/clock/stm32h7-clks.h> #include <dt-bindings/clock/stm32h7-clks.h>
#include <dt-bindings/mfd/stm32h7-rcc.h> #include <dt-bindings/mfd/stm32h7-rcc.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ { / {
clocks { clocks {
@ -347,6 +348,20 @@ vrefbuf: regulator@58003c00 {
status = "disabled"; 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 { rcc: reset-clock-controller@58024400 {
compatible = "st,stm32h743-rcc", "st,stm32-rcc"; compatible = "st,stm32h743-rcc", "st,stm32-rcc";
reg = <0x58024400 0x400>; reg = <0x58024400 0x400>;