lkml.org 
[lkml]   [2022]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v5 1/6] dt-bindings: imx334: modify link frequency in examples
On Sat, Nov 26, 2022 at 04:21:57PM +0530, shravan kumar wrote:
> On Fri, Nov 25, 2022 at 9:27 PM Sakari Ailus <sakari.ailus@iki.fi> wrote:
> >
> > Hi Shravan,
> >
> > On Fri, Nov 25, 2022 at 10:38:02AM +0530, shravan kumar wrote:
> > > From: Shravan Chippa <shravan.chippa@microchip.com>
> > >
> > > -imx334 sensor is configured to 1782Mbps/lane for 3840x2160@60.
> > > -But in device tree bindings exapmple we are passing 891Mbps/lane
> > > so modified to 1782Mbps
> > >
> > > Signed-off-by: Shravan Chippa <shravan.chippa@microchip.com>
> > > ---
> > > Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
> > > index f5055b9db693..ea3c93f97d65 100644
> > > --- a/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
> > > +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
> > > @@ -82,7 +82,7 @@ examples:
> > > imx334: endpoint {
> > > remote-endpoint = <&cam>;
> > > data-lanes = <1 2 3 4>;
> > > - link-frequencies = /bits/ 64 <891000000>;
> > > + link-frequencies = /bits/ 64 <1782000000>;
> >
> > My understanding is that the original frequency is correct --- 594 MHz
> > pixel clock, 12 bpp, four lanes (and DDR).
>
> As per my understanding, other than these three parameters there is
> one more link frequency (communication frequency from imx334 sensor to
> MIPI CSI2 controller).
> thanks,

Feel free to add additional frequencies later on. But this patch appears to
be just wrong.

--
Sakari Ailus

\
 
 \ /
  Last update: 2022-11-26 15:54    [W:0.041 / U:1.780 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site