Purpose of i.MX7 MIPI D-PHY Register

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Purpose of i.MX7 MIPI D-PHY Register

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toshiharu_shimi
Contributor I

Hello,

Regarding the registers MIPI_DSI_PHYTIMING, MIPI_DSI_PHYTIMING1, and MIPI_DSI_PHYTIMING2, what is the purpose of these registers?

If these register values are changed, what behavior of MIPI functions are affected?

toshiharu_shimi_0-1721282540710.png

toshiharu_shimi_1-1721282557646.png

toshiharu_shimi_2-1721282578481.png

 

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joanxie
NXP TechSupport
NXP TechSupport

these timing registers are for setting mipi dsi DPHY timings

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toshiharu_shimi
Contributor I

Thank you for your reply.

what does "mipi dsi DPHY timings" mean? Is it in fig below?

toshiharu_shimi_0-1721294720994.png

Is there any documents that mentions "mipi dsi DPHY timings"?

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joanxie
NXP TechSupport
NXP TechSupport

mipi DPHY has critical timing parameters with each other, these registers are for tuning these timing parameters, normally customer doesn't need to change this, if your device has has timing issue, pls share here and we can tell you how to build and set them, and these parameters are offered by the IP owner, not for the public information to customers

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