mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 00:18:51 +09:00
![Stephen Warren](/assets/img/avatar_default.png)
E2220-1170 is a Tegra210 bringup board with onboard SoC, DRAM, eMMC, SD card slot, HDMI, USB micro-B port, and sockets for various expansion modules. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
|
|
* (C) Copyright 2013-2015
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <i2c.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/pinmux.h>
|
|
#include "../p2571/max77620_init.h"
|
|
#include "pinmux-config-e2220-1170.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
|
|
*/
|
|
void pinmux_init(void)
|
|
{
|
|
pinmux_clear_tristate_input_clamping();
|
|
|
|
gpio_config_table(e2220_1170_gpio_inits,
|
|
ARRAY_SIZE(e2220_1170_gpio_inits));
|
|
|
|
pinmux_config_pingrp_table(e2220_1170_pingrps,
|
|
ARRAY_SIZE(e2220_1170_pingrps));
|
|
|
|
pinmux_config_drvgrp_table(e2220_1170_drvgrps,
|
|
ARRAY_SIZE(e2220_1170_drvgrps));
|
|
}
|