mx35: add GPIO setup on flea3 board

Hardware revision "e" of the board introduces
a GPIO to reduce power consumption in stand-by mode.
This must be enable (active low) at the startup
for normal behaviour.

Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Stefano Babic 2016-10-17 15:51:34 +02:00
parent 146fff347a
commit 322ac5f1d5
1 changed files with 7 additions and 0 deletions

View File

@ -122,6 +122,8 @@ static void setup_iomux_fec(void)
MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
/* GPIO used to power off ethernet */
MX35_PAD_STXFS4__GPIO2_31,
};
/* setup pins for FEC */
@ -183,6 +185,11 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
/* Enable power for ethernet */
gpio_direction_output(63, 0);
udelay(2000);
return 0;
}