From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Cameron Subject: Re: [PATCH v2 3/7] iio: tsl2772: add support for reading power settings from device tree Date: Sun, 22 Jul 2018 18:17:48 +0100 Message-ID: <20180722181748.24bc47d8@archlinux> References: <20180717084158.23532-1-masneyb@onstation.org> <20180717084158.23532-4-masneyb@onstation.org> <20180720173635.GA21241@rob-hp-laptop> <20180721183716.524632f1@archlinux> <20180722123720.GB20029@onstation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180722123720.GB20029@onstation.org> Sender: linux-kernel-owner@vger.kernel.org To: Brian Masney Cc: Rob Herring , mark.rutland@arm.com, andy.gross@linaro.org, david.brown@linaro.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, jonathan@marek.ca, jmaneyrol@invensense.com, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, mkelly@xevo.com, fischerdouglasc@gmail.com, bshah@kde.org, ctatlor97@gmail.com, drew.paterson@ams.com List-Id: devicetree@vger.kernel.org On Sun, 22 Jul 2018 12:37:20 +0000 Brian Masney wrote: > On Sat, Jul 21, 2018 at 06:37:16PM +0100, Jonathan Cameron wrote: > > On Fri, 20 Jul 2018 11:36:35 -0600 > > Rob Herring wrote: > > > > > 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 > > > > --- > > > > 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. > > > > Seems reasonable, then perhaps have two controls to turn on the diodes > > above. > > > > > > > > And while called 'power' this setting is current. > > > > Also can we have real values? I really don't like defines if they > > aren't absolutely necessary - particularly when there is a nice real > > unit to be used. > > How about these options then? > > amstaos,proximity-diode-0-enabled; > amstaos,proximity-diode-1-enabled; > led-max-microamp = <100000>; Works for me. Rob? J > > Brian