1*bea6356cSLee JonesSTMicroelectronics Low Power Controller (LPC) - Clocksource 2*bea6356cSLee Jones=========================================================== 3*bea6356cSLee Jones 4*bea6356cSLee JonesLPC currently supports Watchdog OR Real Time Clock OR Clocksource 5*bea6356cSLee Jonesfunctionality. 6*bea6356cSLee Jones 7*bea6356cSLee Jones[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] 8*bea6356cSLee Jones[See: ../rtc/rtc-st-lpc.txt for RTC options] 9*bea6356cSLee Jones 10*bea6356cSLee JonesRequired properties 11*bea6356cSLee Jones 12*bea6356cSLee Jones- compatible : Must be: "st,stih407-lpc" 13*bea6356cSLee Jones- reg : LPC registers base address + size 14*bea6356cSLee Jones- interrupts : LPC interrupt line number and associated flags 15*bea6356cSLee Jones- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) 16*bea6356cSLee Jones- st,lpc-mode : The LPC can run either one of three modes: 17*bea6356cSLee Jones ST_LPC_MODE_RTC [0] 18*bea6356cSLee Jones ST_LPC_MODE_WDT [1] 19*bea6356cSLee Jones ST_LPC_MODE_CLKSRC [2] 20*bea6356cSLee Jones One (and only one) mode must be selected. 21*bea6356cSLee Jones 22*bea6356cSLee JonesExample: 23*bea6356cSLee Jones lpc@fde05000 { 24*bea6356cSLee Jones compatible = "st,stih407-lpc"; 25*bea6356cSLee Jones reg = <0xfde05000 0x1000>; 26*bea6356cSLee Jones clocks = <&clk_s_d3_flexgen CLK_LPC_0>; 27*bea6356cSLee Jones st,lpc-mode = <ST_LPC_MODE_CLKSRC>; 28*bea6356cSLee Jones }; 29