15cb69745SLee JonesSTMicroelectronics Low Power Controller (LPC) - RTC 25cb69745SLee Jones=================================================== 35cb69745SLee Jones 4c74a06dcSLee JonesLPC currently supports Watchdog OR Real Time Clock OR Clocksource 5c74a06dcSLee Jonesfunctionality. 65cb69745SLee Jones 75cb69745SLee Jones[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] 8c74a06dcSLee Jones[See: ../timer/st,stih407-lpc for Clocksource options] 95cb69745SLee Jones 105cb69745SLee JonesRequired properties 115cb69745SLee Jones 12c74a06dcSLee Jones- compatible : Must be: "st,stih407-lpc" 135cb69745SLee Jones- reg : LPC registers base address + size 145cb69745SLee Jones- interrupts : LPC interrupt line number and associated flags 155cb69745SLee Jones- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) 16c74a06dcSLee Jones- st,lpc-mode : The LPC can run either one of three modes: 17c74a06dcSLee Jones ST_LPC_MODE_RTC [0] 18c74a06dcSLee Jones ST_LPC_MODE_WDT [1] 19c74a06dcSLee Jones ST_LPC_MODE_CLKSRC [2] 20c74a06dcSLee Jones One (and only one) mode must be selected. 215cb69745SLee Jones 225cb69745SLee JonesExample: 235cb69745SLee Jones lpc@fde05000 { 245cb69745SLee Jones compatible = "st,stih407-lpc"; 255cb69745SLee Jones reg = <0xfde05000 0x1000>; 265cb69745SLee Jones clocks = <&clk_s_d3_flexgen CLK_LPC_0>; 275cb69745SLee Jones st,lpc-mode = <ST_LPC_MODE_RTC>; 285cb69745SLee Jones }; 29