On Thu, Feb 16, 2017 at 10:23:43AM -0200, Marco Franchi wrote:
> Allow the driver to work with device tree support.
>
> Based on initial patch submission from Peter Fox.
>
> Tested on a imx7d-sdb board connected to a SHT15 board via Mikro Bus.
>
> Signed-off-by: Marco Franchi <marco.franchi@xxxxxxx>
> ---
> Changes since v3:
> -Remove the optional properties because they are not hardware description
> -Change the sensor node name
>
> Documentation/devicetree/bindings/hwmon/sht15.txt | 19 +++++++
> drivers/hwmon/sht15.c | 64 +++++++++++++++++++++--
> 2 files changed, 79 insertions(+), 4 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/hwmon/sht15.txt
>
> diff --git a/Documentation/devicetree/bindings/hwmon/sht15.txt b/Documentation/devicetree/bindings/hwmon/sht15.txt
> new file mode 100644
> index 0000000..6a80277
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/sht15.txt
> @@ -0,0 +1,19 @@
> +Sensirion SHT15 Humidity and Temperature Sensor
> +
> +Required properties:
> +
> + - "compatible": must be "sensirion,sht15".
> + - "data-gpios": GPIO connected to the data line.
> + - "clk-gpios": GPIO connected to the clock line.
Looks like this device is I2C perhaps? Though I'm not sure the waveforms
before and after transactions are compliant.
> + - "vcc-supply": regulator that drives the VCC pin.
> +
> +Example:
> +
> + sensor {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sensor>;
> + compatible = "sensirion,sht15";
> + clk-gpios = <&gpio4 12 0>;
> + data-gpios = <&gpio4 13 0>;
> + vcc-supply = <®_sht15>;
> + };
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