SPI 9-bit mode U-boot for imx6sl

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SPI 9-bit mode U-boot for imx6sl

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nigelevans
Contributor III

Hi,

I am trying to initialize an SPI device from u-boot.

I have setup ecspi3 pin mux pad definitions and initial directions and states.

What I am looking for is an example of how to perform 9-bit writes to a device from within u-boot. Does anyone have an example or can someone point me in the right direction please?

Thanks.

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Yuri
NXP Employee
NXP Employee

Hello

   Please refer to sections 19.5 (Initialization) and 19.6 (Applications) of the i.MX6 SL Reference 
Manual (IMX6SLRM, Rev. 2, 06/2015)

Have a great day,
Yuri

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