i.MX ProcessorsのトピックRe: OV5640 camera not detected

OV5640 camera not detected

aravinthkumarja — Fri, 25 Jan 2019 14:56:50 GMT

Hi All,

I'm using OV5640 mipi camera in imx6 and I'm getting below error.

[ 2.004525] ov564x_mipi 3-003c: found pwm2, period=0
[ 2.296520] ov5640_read_reg:write reg error:reg=300a
[ 2.296522] camera ov5640_mipi is not found

What is the reason for this error.?

How to fix this.

Regards,

Aravinth

Re: OV5640 camera not detected

igorpadykov — Fri, 25 Jan 2019 23:17:55 GMT

Hi Aravinth

issue may be related to i2c problems, one can try to debug it using

Chapter 19 OmniVision Camera Driver attached Linux manual.

i2c also can be tested using baremetal sdk found on SMP Enable in IMX6

Best regards
igor
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Re: OV5640 camera not detected

aravinthkumarja — Mon, 28 Jan 2019 10:46:46 GMT

Hi igor,

Thanks for your response. I have configured as mentioned in document. But I don't know why I'm facing this issue.?

Regards,

Aravinth

Re: OV5640 camera not detected

igorpadykov — Mon, 28 Jan 2019 12:46:42 GMT

Hi Aravinth

>But I don't know why I'm facing this issue

reason may be that i2c is not working

Best regards
igor

Re: OV5640 camera not detected

aravinthkumarja — Mon, 28 Jan 2019 12:53:19 GMT

Hi igor,

I2C interface and camera both are working, I have validated in linux BSP and camera driver as module (.ko).

If I make it as inbuilt it's not working in linunx BSP. In Android BSP camera not at all working in both module and inbuilt build.

Regards.

Aravinth

Re: OV5640 camera not detected

igorpadykov — Mon, 28 Jan 2019 23:30:18 GMT

Hi Aravinth

if i2c is working one can try to debug it in camera driver described in sect.6.1.8

Source Code Structure attached Linux Manual.

Best regards
igor

Re: OV5640 camera not detected

aravinthkumarja — Tue, 29 Jan 2019 16:35:15 GMT

Thanks igor, It's default driver code.

Finally I have fixed that issue.

Regards,

Aravinth

Re: OV5640 camera not detected

leeshuai — Sun, 23 Feb 2020 08:32:55 GMT

Hi Aravinth

How do you fixed that issue?