1*4882a593SmuzhiyunSTMicroelectronics Low Power Controller (LPC) - Clocksource 2*4882a593Smuzhiyun=========================================================== 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunLPC currently supports Watchdog OR Real Time Clock OR Clocksource 5*4882a593Smuzhiyunfunctionality. 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] 8*4882a593Smuzhiyun[See: ../rtc/rtc-st-lpc.txt for RTC options] 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunRequired properties 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun- compatible : Must be: "st,stih407-lpc" 13*4882a593Smuzhiyun- reg : LPC registers base address + size 14*4882a593Smuzhiyun- interrupts : LPC interrupt line number and associated flags 15*4882a593Smuzhiyun- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) 16*4882a593Smuzhiyun- st,lpc-mode : The LPC can run either one of three modes: 17*4882a593Smuzhiyun ST_LPC_MODE_RTC [0] 18*4882a593Smuzhiyun ST_LPC_MODE_WDT [1] 19*4882a593Smuzhiyun ST_LPC_MODE_CLKSRC [2] 20*4882a593Smuzhiyun One (and only one) mode must be selected. 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunExample: 23*4882a593Smuzhiyun lpc@fde05000 { 24*4882a593Smuzhiyun compatible = "st,stih407-lpc"; 25*4882a593Smuzhiyun reg = <0xfde05000 0x1000>; 26*4882a593Smuzhiyun clocks = <&clk_s_d3_flexgen CLK_LPC_0>; 27*4882a593Smuzhiyun st,lpc-mode = <ST_LPC_MODE_CLKSRC>; 28*4882a593Smuzhiyun }; 29