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ARM: tegra: beaver: enable PEX voltage rail 

Supply for the PCIe PLL.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Lucas Stach 2014-10-04 19:40:19 +02:00 committed by Sascha Hauer
parent 4e4d40c1ae
commit 54a60640bb
1 changed files with 10 additions and 1 deletions
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11
arch/arm/boards/nvidia-beaver/board.c
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@ -15,8 +15,10 @@
*/
#include <common.h>
#include <init.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <gpio.h>
#include <i2c/i2c.h>
#include <init.h>
static int nvidia_beaver_devices_init(void)
{
@ -33,6 +35,13 @@ static int nvidia_beaver_devices_init(void)
data = 0x65;
i2c_write_reg(&client, 0x32, &data, 1);
/* TPS659110: LDO1_REG = 1.05v, ACTIVE to PEX */
data = 0x15;
i2c_write_reg(&client, 0x30, &data, 1);
/* enable SYS_3V3_PEXS */
gpio_direction_output(TEGRA_GPIO(L, 7), 1);
return 0;
}
fs_initcall(nvidia_beaver_devices_init);