diff options
Diffstat (limited to 'dts/Bindings/rtc/ingenic,jz4740-rtc.txt')
| -rw-r--r-- | dts/Bindings/rtc/ingenic,jz4740-rtc.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/dts/Bindings/rtc/ingenic,jz4740-rtc.txt b/dts/Bindings/rtc/ingenic,jz4740-rtc.txt new file mode 100644 index 0000000000..41c7ae18fd --- /dev/null +++ b/dts/Bindings/rtc/ingenic,jz4740-rtc.txt @@ -0,0 +1,37 @@ +JZ4740 and similar SoCs real-time clock driver + +Required properties: + +- compatible: One of: + - "ingenic,jz4740-rtc" - for use with the JZ4740 SoC + - "ingenic,jz4780-rtc" - for use with the JZ4780 SoC +- reg: Address range of rtc register set +- interrupts: IRQ number for the alarm interrupt +- clocks: phandle to the "rtc" clock +- clock-names: must be "rtc" + +Optional properties: +- system-power-controller: To use this component as the + system power controller +- reset-pin-assert-time-ms: Reset pin low-level assertion + time after wakeup (default 60ms; range 0-125ms if RTC clock + at 32 kHz) +- min-wakeup-pin-assert-time-ms: Minimum wakeup pin assertion + time (default 100ms; range 0-2s if RTC clock at 32 kHz) + +Example: + +rtc@10003000 { + compatible = "ingenic,jz4740-rtc"; + reg = <0x10003000 0x40>; + + interrupt-parent = <&intc>; + interrupts = <32>; + + clocks = <&rtc_clock>; + clock-names = "rtc"; + + system-power-controller; + reset-pin-assert-time-ms = <60>; + min-wakeup-pin-assert-time-ms = <100>; +}; |