From: Alexander Koch Date: Fri, 6 Jan 2017 10:38:14 +0000 (+0100) Subject: devicetree: hwmon: Add bindings for ADC128D818 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bbcf37d73c2d3b4fa1a5781c992289b9a90c1480;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 --- 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>; + };