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Message-ID: <CAOPdzVa7Fb3Nwfs8ZzTLGJkJ6KMbqAs3KB6p-fu2jKVO0qNv4w@mail.gmail.com> Date: Sat, 26 Nov 2022 16:21:57 +0530 From: shravan kumar <shravanmicrochip@...il.com> To: Sakari Ailus <sakari.ailus@....fi> Cc: shravan kumar <shravan.chippa@...rochip.com>, paul.j.murphy@...el.com, daniele.alessandrelli@...el.com, mchehab@...nel.org, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5 1/6] dt-bindings: imx334: modify link frequency in examples On Fri, Nov 25, 2022 at 9:27 PM Sakari Ailus <sakari.ailus@....fi> wrote: > > Hi Shravan, > > On Fri, Nov 25, 2022 at 10:38:02AM +0530, shravan kumar wrote: > > From: Shravan Chippa <shravan.chippa@...rochip.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@...rochip.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, Thanks, Shravan. > > > }; > > }; > > }; > > -- > Kind regards, > > Sakari Ailus
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