DM355 PWM

Stephen Goss

Could some please explain how to get pwm output that can be used for backlight control. I am assuming that the pwm should show up in the /dev folder, but I can't any information on how to make this happen. Any help?

over 14 years ago

0 Marcus Cooksey over 14 years ago

TI__Genius 9510 points

Given that this is not a TI supported product, I would suggest that you ask your question over on the Leopard Imaging support forum. Thanks.

0 Luke Postema over 14 years ago in reply to Marcus Cooksey

Intellectual 700 points

@Marcus - When did TI give up supporting the DM355? What Stephen is looking for is a patch or instructions to get his DM355DVEVM able to output a PWM signal.

This problem is not related to a Leopard board. Is there any help on this?

0 Marcus Cooksey over 14 years ago in reply to Luke Postema

TI__Genius 9510 points

The DM355 is supported however by TI, however I'm not aware of a TI implemented PWM driver (or example code). From my understand Leopard imaging does have the PWM driver. I'm including others who may have experience with the PWM driver.

0 Marcus Cooksey over 14 years ago in reply to Marcus Cooksey

TI__Genius 9510 points

Which SDK version are you using?

0 Stephen Goss over 14 years ago in reply to Marcus Cooksey

Prodigy 70 points

LINUXDVSDK-DV310

Linux DVSDK (v3.10) for DM6467T and DM355 - PRODUCTION

0 Marcus Cooksey over 14 years ago in reply to Stephen Goss

TI__Genius 9510 points

This driver is not available in the DVSDK (3.10) release. However it present in DVSDK 2.

In will require porting from DVSDK2 to DVSDK.

http://software-dl.ti.com/dsps/dsps_public_sw/sdo_sb/targetcontent/dvsdk/DVSDK_2_00/latest/index_FDS.html

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DM355 PWM