How to IMX28 device UART and SPI output voltage select?

[sung-ukjang]

Dear Freescale.

I need to 1.8V out put USRT and SPI function on IMX28 board.

How to change output voltage on Linux source?

please help.

Thanks.

[Yuri]

  Please use pin configuring in

<ltib_dir>/rpm/BUILD/linux/arch/arm/mach-mx28/ mx28evk.c

(parameter .voltage) which refer to C-function mxs_pin_voltage() in

<litb_dir>/rpm/BUILD/linux/arch/arm/mach-mx28/pinctrl.c

Have a great day,
Yuri

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[sung-ukjang]

Dear Freescale

I had change 1.8V output below signal pin.

SSP0_SCK, SSP0_CMD, SSP0_DATA0,
SSP0_DATA1, SSP0_DATA2, SSP0_DATA3,

ENET0_MDC, ENET0_MDIO,
ENET0_RXD0, ENET0_RXD1

But, not chaenged below signal 1.8V out put

AUART3_RX, AUART3_TX,
AUART3_CTS, AUART3_RTS

Do you know How to change UART3 function output voltage?

please help.