On Wed, Sep 30, 2020 at 12:57:27AM -0700, Stephen Boyd wrote:
> We need to set various bits in the hardware registers for this device to
> operate properly depending on how it is installed. Add a handful of DT
> properties to configure these things.
>
> Cc: Daniel Campello <campello@xxxxxxxxxxxx>
> Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
> Cc: Peter Meerwald-Stadler <pmeerw@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: <devicetree@xxxxxxxxxxxxxxx>
> Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Cc: Gwendal Grignou <gwendal@xxxxxxxxxxxx>
> Cc: Evan Green <evgreen@xxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
> .../iio/proximity/semtech,sx9310.yaml | 61 +++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
> index 5739074d3592..a85b8fa25861 100644
> --- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
> +++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
> @@ -40,6 +40,61 @@ properties:
> "#io-channel-cells":
> const: 1
>
> + semtech,cs0-ground:
> + description: Indicates the CS0 sensor is connected to ground.
> + type: boolean
> +
> + semtech,combined-sensors:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + description: |
> + List of which sensors are combined and represented by CS3.
> + Possible values are -
> + 3 - CS3 (internal)
> + 0 1 - CS0 + CS1
> + 1 2 - CS1 + CS2 (default)
> + 0 1 2 3 - CS0 + CS1 + CS2 + CS3
items:
enum: [ 0, 1, 2, 3 ]
With that,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> + minItems: 1
> + maxItems: 4
> +
> + semtech,resolution:
> + description:
> + Capacitance measure resolution. Refer to datasheet for more details.
> + enum:
> + - coarsest
> + - very-coarse
> + - coarse
> + - medium-coarse
> + - medium
> + - fine
> + - very-fine
> + - finest
> +
> + semtech,startup-sensor:
> + $ref: /schemas/types.yaml#definitions/uint32
> + enum: [0, 1, 2, 3]
> + default: 0
> + description:
> + Sensor used for start-up proximity detection. The combined
> + sensor is represented by the value 3. This is used for initial
> + compensation.
> +
> + semtech,proxraw-strength:
> + $ref: /schemas/types.yaml#definitions/uint32
> + enum: [0, 2, 4, 8]
> + default: 2
> + description:
> + PROXRAW filter strength. A value of 0 represents off, and other values
> + represent 1-1/N.
> +
> + semtech,avg-pos-strength:
> + $ref: /schemas/types.yaml#definitions/uint32
> + enum: [0, 16, 64, 128, 256, 512, 1024, 4294967295]
> + default: 16
> + description:
> + Average positive filter strength. A value of 0 represents off and
> + UINT_MAX (4294967295) represents infinite. Other values
> + represent 1-1/N.
> +
> required:
> - compatible
> - reg
> @@ -61,5 +116,11 @@ examples:
> vdd-supply = <&pp3300_a>;
> svdd-supply = <&pp1800_prox>;
> #io-channel-cells = <1>;
> + semtech,cs0-ground;
> + semtech,combined-sensors = <1 2 3>;
> + semtech,resolution = "fine";
> + semtech,startup-sensor = <1>;
> + semtech,proxraw-strength = <2>;
> + semtech,avg-pos-strength = <64>;
> };
> };
> --
> Sent by a computer, using git, on the internet
>
