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| author | Lucas Stach <l.stach@pengutronix.de> | 2014-10-04 19:40:19 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-10-08 08:39:01 +0200 |
| commit | 54a60640bbadb40f4179e5ba7f0497c44a42ee41 (patch) | |
| tree | 92077da126ba3e298ef1103b718b533fb80c459e /arch/arm/boards | |
| parent | 4e4d40c1aef77ad7bc24afa6e1eae5366006e8ec (diff) | |
| download | barebox-54a60640bbadb40f4179e5ba7f0497c44a42ee41.tar.gz barebox-54a60640bbadb40f4179e5ba7f0497c44a42ee41.tar.xz | |
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>
Diffstat (limited to 'arch/arm/boards')
| -rw-r--r-- | arch/arm/boards/nvidia-beaver/board.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/boards/nvidia-beaver/board.c b/arch/arm/boards/nvidia-beaver/board.c index e67d2aa973..20707d883f 100644 --- a/arch/arm/boards/nvidia-beaver/board.c +++ b/arch/arm/boards/nvidia-beaver/board.c @@ -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); |