From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Mon, 8 Jan 2018 23:20:54 +0100 Subject: [PATCHv3] dt-bindings: Avago APDS990X light sensor In-Reply-To: <20180105160137.nr7oqvpbp2oao5fm@rob-hp-laptop> References: <20171227091828.GA3307@amd> <20171227180000.6ejpbqmr736nqx5i@kekkonen.localdomain> <20171227200147.GB16799@amd> <20171227211643.nnwtm4j6cyftlm66@kekkonen.localdomain> <20180102124450.GA18659@amd> <20180105160137.nr7oqvpbp2oao5fm@rob-hp-laptop> Message-ID: <20180108222054.GA17452@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > > From: Filip Matijevi? > > > > This prepares binding for light sensor used in Nokia N9. > > "dt-bindings: ..." is the preferred subject prefix. Ok. > > +++ b/Documentation/devicetree/bindings/misc/avago-apds990x.txt > > Put this with other light sensors whether you use IIO or not: > > bindings/iio/light/ Makes sense. Patches to convert to IIO are available. > > @@ -0,0 +1,41 @@ > > +Avago APDS990X driver > > Bindings aren't drivers. Ok. > > +https://docs.broadcom.com/docs/AV02-2867EN > > + > > +Required properties: > > +- compatible: "avago,apds990x" > > +- reg: address on the I2C bus > > +- interrupts: external interrupt line number > > +- vdd-supply: power supply for VDD > > +- vled-supply: power supply for LEDA > > +- avago,ga: Glass attenuation > > We already have "upisemi,glass-coef". Can we align on something > common. upisemi seems to have different units (1/1000 vs. 1/4096). Do you want me to do change to avago,glass-coef or ....? > > +- avago,cf1: Clear channel factor 1 > > +- avago,irf1: IR channel factor 1 > > +- avago,cf2: Clear channel factor 2 > > +- avago,irf2: IR channel factor 2 > > Perhaps 2 properties with 2 cells for factor 1 and 2. This is obviously easier to keep, but I can change. > > +- avago,df: Device factor > > Units/range for all these? Fixed point, with 4096 == 1.00. > > +- avago,pdrive: IR current, one of APDS_IRLED_CURR_XXXmA values > > Don't we have standard current property for LEDs? We do have "led-max-microamp"; which is not quite what this is. I guess we can do "led-microamp" if you prefer? > > +- avago,ppcount: Proximity pulse count > > Is this standard for prox sensors? I don't know many proximity sensors. Seems like way to raise sensitivity. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: