Hi Laurent, Thank you for the quick review. > -----Original Message----- > From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Sent: 13 March 2020 21:20 > To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>; Shawn Guo > <shawnguo@xxxxxxxxxx>; Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>; > Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>; Rob Herring > <robh+dt@xxxxxxxxxx>; Mark Rutland <mark.rutland@xxxxxxx>; Sakari > Ailus <sakari.ailus@xxxxxxxxxxxxxxx>; NXP Linux Team <linux-imx@xxxxxxx>; > Magnus Damm <magnus.damm@xxxxxxxxx>; Ezequiel Garcia > <ezequiel@xxxxxxxxxxxxx>; Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-renesas- > soc@xxxxxxxxxxxxxxx; Fabio Estevam <festevam@xxxxxxxxx>; linux- > media@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v3 1/4] media: dt-bindings: media: i2c: Switch to > assigned-clock-rates > > Hi Prabhakar, > > Thank you for the patch. > > On Fri, Mar 13, 2020 at 09:12:31PM +0000, Lad Prabhakar wrote: > > Use assigned-clock-rates to specify the clock rate. Also mark > > clock-frequency property as deprecated. > > I would phrase it the other way around, this patch mainly deprecates clock- > frequency, and as a side effect recommends usage of assigned-clock-rates. > > "Deprecate usage of the clock-frequency propertly. The preferred method > to set clock rates is to use assigned-clock-rates." > Agreed will do that. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev- > lad.rj@xxxxxxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/media/i2c/ov5645.txt | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov5645.txt > > b/Documentation/devicetree/bindings/media/i2c/ov5645.txt > > index 72ad992..e62fe82 100644 > > --- a/Documentation/devicetree/bindings/media/i2c/ov5645.txt > > +++ b/Documentation/devicetree/bindings/media/i2c/ov5645.txt > > @@ -8,7 +8,7 @@ Required Properties: > > - compatible: Value should be "ovti,ov5645". > > - clocks: Reference to the xclk clock. > > - clock-names: Should be "xclk". > > -- clock-frequency: Frequency of the xclk clock. > > +- clock-frequency (deprecated): Frequency of the xclk clock. > > I would drop this completely. Drivers need to ensure backward compatibility, > but DT bindings should only document the latest version, the history is > available in git. > Sure will drop it. > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > While at it, can I enlist you to convert these bindings to yaml ? :-) > Sure will do the honours 😊, will make sure yaml patch is ontop of this patch too. Cheers, --Prabhakar > > - enable-gpios: Chip enable GPIO. Polarity is GPIO_ACTIVE_HIGH. This > corresponds > > to the hardware pin PWDNB which is physically active low. > > - reset-gpios: Chip reset GPIO. Polarity is GPIO_ACTIVE_LOW. This > > corresponds to @@ -37,7 +37,8 @@ Example: > > > > clocks = <&clks 200>; > > clock-names = "xclk"; > > -clock-frequency = <24000000>; > > +assigned-clocks = <&clks 200>; > > +assigned-clock-rates = <24000000>; > > > > vdddo-supply = <&camera_dovdd_1v8>; > > vdda-supply = <&camera_avdd_2v8>; > > -- > Regards, > > Laurent Pinchart Renesas Electronics Europe GmbH, Geschaeftsfuehrer/President: Carsten Jauch, Sitz der Gesellschaft/Registered office: Duesseldorf, Arcadiastrasse 10, 40472 Duesseldorf, Germany, Handelsregister/Commercial Register: Duesseldorf, HRB 3708 USt-IDNr./Tax identification no.: DE 119353406 WEEE-Reg.-Nr./WEEE reg. no.: DE 14978647