diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-10 08:56:15 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-10 08:56:15 +0100 |
commit | 957bb6b6bcebc4c36f5f284dfb58d489e81016c6 (patch) | |
tree | 593d098617017987daaf8ce339e0eb29ea09fdde /dts/Bindings/rtc/st,stm32-rtc.txt | |
parent | cc2392cf4f2d5208be427e9ffdeafba192f05cbe (diff) | |
download | barebox-957bb6b6bcebc4c36f5f284dfb58d489e81016c6.tar.gz barebox-957bb6b6bcebc4c36f5f284dfb58d489e81016c6.tar.xz |
dts: update to v4.11-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/rtc/st,stm32-rtc.txt')
-rw-r--r-- | dts/Bindings/rtc/st,stm32-rtc.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/dts/Bindings/rtc/st,stm32-rtc.txt b/dts/Bindings/rtc/st,stm32-rtc.txt new file mode 100644 index 0000000000..e2837b9512 --- /dev/null +++ b/dts/Bindings/rtc/st,stm32-rtc.txt @@ -0,0 +1,27 @@ +STM32 Real Time Clock + +Required properties: +- compatible: "st,stm32-rtc". +- reg: address range of rtc register set. +- clocks: reference to the clock entry ck_rtc. +- interrupt-parent: phandle for the interrupt controller. +- interrupts: rtc alarm interrupt. +- st,syscfg: phandle for pwrcfg, mandatory to disable/enable backup domain + (RTC registers) write protection. + +Optional properties (to override default ck_rtc parent clock): +- assigned-clocks: reference to the ck_rtc clock entry. +- assigned-clock-parents: phandle of the new parent clock of ck_rtc. + +Example: + + rtc: rtc@40002800 { + compatible = "st,stm32-rtc"; + reg = <0x40002800 0x400>; + clocks = <&rcc 1 CLK_RTC>; + assigned-clocks = <&rcc 1 CLK_RTC>; + assigned-clock-parents = <&rcc 1 CLK_LSE>; + interrupt-parent = <&exti>; + interrupts = <17 1>; + st,syscfg = <&pwrcfg>; + }; |