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dt-bindings: rtc: DS1307 and compatibles are not trivial 

Document optional properties for ds1307 and compatible RTCs

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Alexandre Belloni 2017-09-27 16:03:43 +02:00 committed by Rob Herring
parent 0fc52ca54a
commit 13a5595892
2 changed files with 36 additions and 6 deletions
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36
Documentation/devicetree/bindings/rtc/rtc-ds1307.txt Normal file
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@ -0,0 +1,36 @@
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",
"microchip,mcp7940x",
"microchip,mcp7941x",
"pericom,pt7c4338",
"epson,rx8025",
"isil,isl12057"
- reg: I2C bus address of the device
Optional properties:
- interrupt-parent: phandle for the interrupt controller.
- 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
Example:
rtc1: ds1339@68 {
compatible = "dallas,ds1339";
reg = <0x68>;
interrupt-parent = <&gpio4>;
interrupts = <20 0>;
};

6
Documentation/devicetree/bindings/trivial-devices.txt
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@ -36,9 +36,6 @@ atmel,at97sc3204t i2c trusted platform module (TPM)
capella,cm32181 CM32181: Ambient Light Sensor
capella,cm3232 CM3232: Ambient Light Sensor
cirrus,cs42l51 Cirrus Logic CS42L51 audio codec
dallas,ds1307 64 x 8, Serial, I2C Real-Time Clock
dallas,ds1338 I2C RTC with 56-Byte NV RAM
dallas,ds1340 I2C RTC with Trickle Charger
dallas,ds1374 I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
dallas,ds1631 High-Precision Digital Thermometer
dallas,ds1672 Dallas DS1672 Real-time Clock
@ -55,7 +52,6 @@ dlg,da9063 DA9063: system PMIC for quad-core application processors
domintech,dmard09 DMARD09: 3-axis Accelerometer
domintech,dmard10 DMARD10: 3-axis Accelerometer
epson,rx8010 I2C-BUS INTERFACE REAL TIME CLOCK MODULE
epson,rx8025 High-Stability. I2C-Bus INTERFACE REAL TIME CLOCK MODULE
epson,rx8581 I2C-BUS INTERFACE REAL TIME CLOCK MODULE
emmicro,em3027 EM Microelectronic EM3027 Real-time Clock
fsl,mag3110 MAG3110: Xtrinsic High Accuracy, 3D Magnetometer
@ -179,8 +175,6 @@ sii,s35390a 2-wire CMOS real-time clock
silabs,si7020 Relative Humidity and Temperature Sensors
skyworks,sky81452 Skyworks SKY81452: Six-Channel White LED Driver with Touch Panel Bias Supply
st,24c256 i2c serial eeprom (24cxx)
st,m41t0 Serial real-time clock (RTC)
st,m41t00 Serial real-time clock (RTC)
st,m41t62 Serial real-time clock (RTC) with alarm
st,m41t80 M41T80 - SERIAL ACCESS RTC WITH ALARMS
taos,tsl2550 Ambient Light Sensor with SMBUS/Two Wire Serial Interface