From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Koch Subject: [RFC PATCH v2 1/4] devicetree: hwmon: Add bindings for ADC128D818 Date: Fri, 23 Dec 2016 23:12:02 +0100 Message-ID: <20161223221205.8825-2-mail@alexanderkoch.net> References: <20161223221205.8825-1-mail@alexanderkoch.net> Return-path: In-Reply-To: <20161223221205.8825-1-mail@alexanderkoch.net> Sender: linux-hwmon-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org Cc: Rob Herring , Mark Rutland , Jean Delvare , Guenter Roeck , Jiri Kosina , Alexander Koch List-Id: devicetree@vger.kernel.org Add bindings documentation for the ADC128D818 driver, featuring default I2C properties along with the optional 'mode' property for chip operation mode selection (see datasheet, sec. 8.4.1). Signed-off-by: Alexander Koch --- .../devicetree/bindings/hwmon/adc128d818.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/adc128d818.txt diff --git a/Documentation/devicetree/bindings/hwmon/adc128d818.txt b/Documentation/devicetree/bindings/hwmon/adc128d818.txt new file mode 100644 index 000000000000..5e14aa36a696 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adc128d818.txt @@ -0,0 +1,39 @@ +TI ADC128D818 ADC System Monitor With Temperature Sensor +-------------------------------------------------------- + +Operation modes: + + - Mode 0: 7 single-ended voltage readings (IN0-IN6), + 1 temperature reading (internal) + - Mode 1: 8 single-ended voltage readings (IN0-IN7), + no temperature + - Mode 2: 4 pseudo-differential voltage readings + (IN0-IN1, IN3-IN2, IN4-IN5, IN7-IN6), + 1 temperature reading (internal) + - Mode 3: 4 single-ended voltage readings (IN0-IN3), + 2 pseudo-differential voltage readings + (IN4-IN5, IN7-IN6), + 1 temperature reading (internal) + +If no operation mode is configured via device tree, the driver defaults +to Mode 0. + + +Required node properties: + + - compatible: must be set to "ti,adc128d818" + - reg: I2C address of the device + +Optional node properties: + + - mode: Operation mode (see above). + + +Example (operation mode 2): + + adc128d818@1d { + compatible = "ti,adc128d818"; + reg = <0x1d>; + mode = /bits/ 8 <2>; + }; + -- 2.11.0