imx287: devices base address

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imx287: devices base address

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BrilliantovKiri
Senior Contributor I

Hello!

According with i.MX28 Application Processor Reference Manual, Rev. 2, 08/2013 GPIO2_20 register have address 0x80018150, which base adress I should use for map it to user-space?

Thank you and excuse my bad english.

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igorpadykov
NXP Employee
NXP Employee

Hi Kirill

in general this physical base address is used for mapping to user-space,

as described for ioremap function :

https://lwn.net/images/pdf/LDD3/ch15.pdf

For gpio usually is used gpio api, refer to sect. sect.3.6.1.1 API for

GPIO attached Linux Manual.

Best regards

igor

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