mclk of mipi from GPIO_0 not working?

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mclk of mipi from GPIO_0 not working?

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wenmingfeng
Contributor III

HI mipi expertise,

I have an imx6DL sabresd reference board, on the reference board, the mipi sensor not mounted, after I perform the imx-4.1-krogoth fsl-image-gui, I scope the mclk pin I can not get the 24M mclk which is configured in DT, as my understand after I configured the pins the mclk need coming from GPIO_0 whether the sensor mount or not, am I correctly or what is problem need me to check the mclk? 

Thanks ahead.

wenming

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igorpadykov
NXP Employee
NXP Employee

Hi wenming

please check mclk example in imx6qdl-sabresd.dtsi:

linux-imx.git - i.MX Linux Kernel 

        clocks = <&clks IMX6QDL_CLK_CKO>;
        clock-names = "csi_mclk";

also one can attach jtag debugger and test signal using register CCM_CCOSR.

Best regards
igor
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