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Date: Fri, 15 Sep 2017 03:05:34 +0200
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: linux-rtc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
devicetree@...r.kernel.org,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH] dt-bindings: RTC: DS1307 and compatibles are not trivial
Document optional properties for ds1307 and compatible RTCs
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
.../devicetree/bindings/rtc/rtc-ds1307.txt | 37 ++++++++++++++++++++++
.../devicetree/bindings/trivial-devices.txt | 6 ----
2 files changed, 37 insertions(+), 6 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
diff --git a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
new file mode 100644
index 000000000000..d1a820e25cb9
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
@@ -0,0 +1,37 @@
+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>;
+ };
+
diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
index e3992013133e..4353151367a1 100644
--- a/Documentation/devicetree/bindings/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/trivial-devices.txt
@@ -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
--
2.14.1
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