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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/timer/st,stih407-lpc')
-rw-r--r-- | kernel/Documentation/devicetree/bindings/timer/st,stih407-lpc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/timer/st,stih407-lpc b/kernel/Documentation/devicetree/bindings/timer/st,stih407-lpc new file mode 100644 index 000000000..72acb487b --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/timer/st,stih407-lpc @@ -0,0 +1,28 @@ +STMicroelectronics Low Power Controller (LPC) - Clocksource +=========================================================== + +LPC currently supports Watchdog OR Real Time Clock OR Clocksource +functionality. + +[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] +[See: ../rtc/rtc-st-lpc.txt for RTC options] + +Required properties + +- compatible : Must be: "st,stih407-lpc" +- reg : LPC registers base address + size +- interrupts : LPC interrupt line number and associated flags +- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) +- st,lpc-mode : The LPC can run either one of three modes: + ST_LPC_MODE_RTC [0] + ST_LPC_MODE_WDT [1] + ST_LPC_MODE_CLKSRC [2] + One (and only one) mode must be selected. + +Example: + lpc@fde05000 { + compatible = "st,stih407-lpc"; + reg = <0xfde05000 0x1000>; + clocks = <&clk_s_d3_flexgen CLK_LPC_0>; + st,lpc-mode = <ST_LPC_MODE_CLKSRC>; + }; |