diff options
| author | Tom Warren <twarren@nvidia.com> | 2015-07-28 15:13:17 -0700 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2015-08-05 15:22:51 -0700 |
| commit | 4132bc90e63428702ae9adf41756087d670fc4f1 (patch) | |
| tree | af534fb7a3337ababca8590482ad12c2cba1b1e1 /board/nvidia/p2571/p2571.c | |
| parent | a5325cd5e91f77a2214e80198ae31c1d8b7e7c3c (diff) | |
T210: P2571: Enable SD-card power via PMIC LDO2
This was done in the 32-bit AVP loader (SPL) but is
board-specific so should be moved to the CPU portion.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'board/nvidia/p2571/p2571.c')
| -rw-r--r-- | board/nvidia/p2571/p2571.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/board/nvidia/p2571/p2571.c b/board/nvidia/p2571/p2571.c index fc710c1750..842242cf5c 100644 --- a/board/nvidia/p2571/p2571.c +++ b/board/nvidia/p2571/p2571.c @@ -6,10 +6,32 @@ */ #include <common.h> +#include <i2c.h> #include <asm/arch/gpio.h> #include <asm/arch/pinmux.h> +#include "max77620_init.h" #include "pinmux-config-p2571.h" +void pin_mux_mmc(void) +{ + struct udevice *dev; + uchar val; + int ret; + + /* Turn on MAX77620 LDO2 to 3.3V for SD card power */ + debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__); + ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); + if (ret) { + printf("%s: Cannot find MAX77620 I2C chip\n", __func__); + return; + } + /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ + val = 0xF2; + ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1); + if (ret) + printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret); +} + /* * Routine: pinmux_init * Description: Do individual peripheral pinmux configs |