Re: [PATCH v2] iio: sx9500: add final devicetree support

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On Sat, Sep 3, 2016 at 1:30 PM, Christoph Fritz
<chf.fritz@xxxxxxxxxxxxxx> wrote:
> This makes sx9500 driver usable on devicetree based platforms too.
>
> Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>

Reviewed-by: Vlad Dogaru <ddvlad@xxxxxxxxx>

> ---
>
> Changes in v2:
>
>  - fix docu: add optional property reset-gpios
>  - adapt docu: change example "reset-gpios"
>
>  .../devicetree/bindings/iio/proximity/sx9500.txt   | 24 ++++++++++++++++++++++
>  drivers/iio/proximity/sx9500.c                     |  7 +++++++
>  2 files changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/proximity/sx9500.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/proximity/sx9500.txt b/Documentation/devicetree/bindings/iio/proximity/sx9500.txt
> new file mode 100644
> index 0000000..b301dd2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/proximity/sx9500.txt
> @@ -0,0 +1,24 @@
> +Semtech's SX9500 capacitive proximity button device driver
> +
> +Required properties:
> +       - compatible: must be "semtech,sx9500"
> +       - reg: i2c address where to find the device
> +       - interrupt-parent : should be the phandle for the interrupt controller
> +       - interrupts : the sole interrupt generated by the device
> +
> +       Refer to interrupt-controller/interrupts.txt for generic
> +       interrupt client node bindings.
> +
> +Optional properties:
> +       - reset-gpios: Reference to the GPIO connected to the device's active
> +         low reset pin.
> +
> +Example:
> +
> +sx9500@28 {
> +       compatible = "semtech,sx9500";
> +       reg = <0x28>;
> +       interrupt-parent = <&gpio2>;
> +       interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
> +       reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
> +};
> diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
> index 66cd09a..a136b34 100644
> --- a/drivers/iio/proximity/sx9500.c
> +++ b/drivers/iio/proximity/sx9500.c
> @@ -1025,6 +1025,12 @@ static const struct acpi_device_id sx9500_acpi_match[] = {
>  };
>  MODULE_DEVICE_TABLE(acpi, sx9500_acpi_match);
>
> +static const struct of_device_id sx9500_of_match[] = {
> +       { .compatible = "semtech,sx9500", },
> +       { }
> +};
> +MODULE_DEVICE_TABLE(of, sx9500_of_match);
> +
>  static const struct i2c_device_id sx9500_id[] = {
>         {"sx9500", 0},
>         { },
> @@ -1035,6 +1041,7 @@ static struct i2c_driver sx9500_driver = {
>         .driver = {
>                 .name   = SX9500_DRIVER_NAME,
>                 .acpi_match_table = ACPI_PTR(sx9500_acpi_match),
> +               .of_match_table = of_match_ptr(sx9500_of_match),
>                 .pm = &sx9500_pm_ops,
>         },
>         .probe          = sx9500_probe,
> --
> 2.1.4
>
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