From bbcf37d73c2d3b4fa1a5781c992289b9a90c1480 Mon Sep 17 00:00:00 2001 From: Alexander Koch Date: Fri, 6 Jan 2017 11:38:14 +0100 Subject: [PATCH] devicetree: hwmon: Add bindings for ADC128D818 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 Acked-by: Michael Hornung Acked-by: Rob Herring [groeck: Fixed whitespace error] Signed-off-by: Guenter Roeck --- .../devicetree/bindings/hwmon/adc128d818.txt | 38 +++++++++++++++++++ 1 file changed, 38 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..08bab0e94d25 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adc128d818.txt @@ -0,0 +1,38 @@ +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 keeps the +currently active chip operation mode (default is mode 0). + + +Required node properties: + + - compatible: must be set to "ti,adc128d818" + - reg: I2C address of the device + +Optional node properties: + + - ti,mode: Operation mode (see above). + + +Example (operation mode 2): + + adc128d818@1d { + compatible = "ti,adc128d818"; + reg = <0x1d>; + ti,mode = <2>; + }; -- 2.20.1