On Tue, Jul 17, 2018 at 04:41:54AM -0400, Brian Masney wrote:
> This patch adds support for optionally reading the prox_diode and
> prox_power settings from device tree. This was tested using a LG
> Nexus 5 (hammerhead) which requires a different diode than the driver
> default for the IR LED.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
> ---
> The next patch in the series removes the tsl2772 driver from the
> trivial-devices.txt file. I separated it out so that change can go
> through device tree.
>
> .../devicetree/bindings/iio/light/tsl2772.txt | 39 +++++++++++++++++++
Please split DT bindings to separate patch.
> drivers/iio/light/tsl2772.c | 16 ++++++++
> include/dt-bindings/iio/amstaos,tsl2772.h | 24 ++++++++++++
> 3 files changed, 79 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/light/tsl2772.txt
> create mode 100644 include/dt-bindings/iio/amstaos,tsl2772.h
>
> diff --git a/Documentation/devicetree/bindings/iio/light/tsl2772.txt b/Documentation/devicetree/bindings/iio/light/tsl2772.txt
> new file mode 100644
> index 000000000000..ab553d52b9fc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/tsl2772.txt
> @@ -0,0 +1,39 @@
> +* AMS/TAOS ALS and proximity sensor
> +
> +Required properties:
> +
> + - compatible: Should be one of
> + "amstaos,tsl2571"
> + "amstaos,tsl2671"
> + "amstaos,tmd2671"
> + "amstaos,tsl2771"
> + "amstaos,tmd2771"
> + "amstaos,tsl2572"
> + "amstaos,tsl2672"
> + "amstaos,tmd2672"
> + "amstaos,tsl2772"
> + "amstaos,tmd2772"
> + - reg: the I2C address of the device
> +
> +Optional properties:
> +
> + - amstaos,prox_diode - must be TSL2772_DIODE0, TSL2772_DIODE1, or
> + TSL2772_DIODE_BOTH.
s/_/-/
> + - amstaos,prox_power - must be TSL2772_100_mA, TSL2772_50_mA, TSL2772_25_mA,
> + or TSL2772_13_mA.
I wonder if this should be common. Perhaps we should use the existing
'led-max-microamp' as this is setting the current for an IR LED.
And while called 'power' this setting is current.
> + - interrupt-parent: should be the phandle for the interrupt controller
Don't need to document this. It's implied by interrupts (and could be in
a parent node).
> + - interrupts: the sole interrupt generated by the device
> +
> + Refer to interrupt-controller/interrupts.txt for generic interrupt client
> + node bindings.
> +
> +Example:
> +
> +#include <dt-bindings/iio/amstaos,tsl2772.h>
> +
> +tsl2772@39 {
> + compatible = "amstaos,tsl2772";
> + reg = <0x39>;
> + interrupts-extended = <&msmgpio 61 IRQ_TYPE_EDGE_FALLING>;
> + amstaos,prox_diode = <TSL2772_DIODE0>;
> +};
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