On Fri, Dec 23, 2016 at 11:12:02PM +0100, Alexander Koch wrote:
> 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 <mail@xxxxxxxxxxxxxxxxx>
> ---
> .../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).
Needs a vendor prefix.
> +
> +
> +Example (operation mode 2):
> +
> + adc128d818@1d {
> + compatible = "ti,adc128d818";
> + reg = <0x1d>;
> + mode = /bits/ 8 <2>;
Need to specify above this is an 8-bit value. Or just drop the size
here as there's little gain to use a byte here.
> + };
> +
> --
> 2.11.0
>
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