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