mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
2cb5e4743a
The example should follow the practice or using a generic node name instead of the precise programming model, as recommended by the DTSpec. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
Dallas DS1307 and compatible RTC
|
|
|
|
Required properties:
|
|
- compatible: should be one of:
|
|
"dallas,ds1307",
|
|
"dallas,ds1308",
|
|
"dallas,ds1337",
|
|
"dallas,ds1338",
|
|
"dallas,ds1339",
|
|
"dallas,ds1388",
|
|
"dallas,ds1340",
|
|
"dallas,ds1341",
|
|
"maxim,ds3231",
|
|
"st,m41t0",
|
|
"st,m41t00",
|
|
"st,m41t11",
|
|
"microchip,mcp7940x",
|
|
"microchip,mcp7941x",
|
|
"pericom,pt7c4338",
|
|
"epson,rx8025",
|
|
"isil,isl12057"
|
|
- reg: I2C bus address of the device
|
|
|
|
Optional properties:
|
|
- interrupts: rtc alarm interrupt.
|
|
- clock-output-names: From common clock binding to override the default output
|
|
clock name
|
|
- wakeup-source: Enables wake up of host system on alarm
|
|
- trickle-resistor-ohms : ds1339, ds1340 and ds 1388 only
|
|
Selected resistor for trickle charger
|
|
Possible values are 250, 2000, 4000
|
|
Should be given if trickle charger should be enabled
|
|
- trickle-diode-disable : ds1339, ds1340 and ds 1388 only
|
|
Do not use internal trickle charger diode
|
|
Should be given if internal trickle charger diode should be disabled
|
|
|
|
Example:
|
|
ds1339: rtc@68 {
|
|
compatible = "dallas,ds1339";
|
|
reg = <0x68>;
|
|
interrupt-parent = <&gpio4>;
|
|
interrupts = <20 0>;
|
|
trickle-resistor-ohms = <250>;
|
|
};
|