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Diffstat (limited to 'Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt deleted file mode 100644 index 0a4c371a9b7a..000000000000 --- a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt +++ /dev/null @@ -1,49 +0,0 @@ -STM32 Real Time Clock - -Required properties: -- compatible: can be either "st,stm32-rtc" or "st,stm32h7-rtc", depending on - the device is compatible with stm32(f4/f7) or stm32h7. -- reg: address range of rtc register set. -- clocks: can use up to two clocks, depending on part used: - - "rtc_ck": RTC clock source. - It is required on stm32(f4/f7) and stm32h7. - - "pclk": RTC APB interface clock. - It is not present on stm32(f4/f7). - It is required on stm32h7. -- clock-names: must be "rtc_ck" and "pclk". - It is required only on stm32h7. -- 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 rtc_ck parent clock): -- assigned-clocks: reference to the rtc_ck clock entry. -- assigned-clock-parents: phandle of the new parent clock of rtc_ck. - -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>; - }; - - 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 1>; - interrupt-names = "alarm"; - st,syscfg = <&pwrcfg>; - status = "disabled"; - }; |
