mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 10:43:06 +00:00
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <log.h>
|
|
#include <asm/arch/pinmux.h>
|
|
#include <asm/arch/gp_padctrl.h>
|
|
#include "pinmux-config-dalmore.h"
|
|
#include <i2c.h>
|
|
|
|
#define BAT_I2C_ADDRESS 0x48 /* TPS65090 charger */
|
|
#define PMU_I2C_ADDRESS 0x58 /* TPS65913 PMU */
|
|
|
|
/*
|
|
* Routine: pinmux_init
|
|
* Description: Do individual peripheral pinmux configs
|
|
*/
|
|
void pinmux_init(void)
|
|
{
|
|
pinmux_config_pingrp_table(tegra114_pinmux_set_nontristate,
|
|
ARRAY_SIZE(tegra114_pinmux_set_nontristate));
|
|
|
|
pinmux_config_pingrp_table(tegra114_pinmux_common,
|
|
ARRAY_SIZE(tegra114_pinmux_common));
|
|
|
|
pinmux_config_pingrp_table(unused_pins_lowpower,
|
|
ARRAY_SIZE(unused_pins_lowpower));
|
|
|
|
/* Initialize any non-default pad configs (APB_MISC_GP regs) */
|
|
pinmux_config_drvgrp_table(dalmore_padctrl,
|
|
ARRAY_SIZE(dalmore_padctrl));
|
|
}
|
|
|
|
#if defined(CONFIG_MMC_SDHCI_TEGRA)
|
|
/*
|
|
* Do I2C/PMU writes to bring up SD card bus power
|
|
*
|
|
*/
|
|
void board_sdmmc_voltage_init(void)
|
|
{
|
|
struct udevice *dev;
|
|
uchar reg, data_buffer[1];
|
|
int ret;
|
|
|
|
ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
|
|
if (ret) {
|
|
debug("%s: Cannot find PMIC I2C chip\n", __func__);
|
|
return;
|
|
}
|
|
|
|
/* TPS65913: LDO9_VOLTAGE = 3.3V */
|
|
data_buffer[0] = 0x31;
|
|
reg = 0x61;
|
|
|
|
ret = dm_i2c_write(dev, reg, data_buffer, 1);
|
|
if (ret)
|
|
printf("%s: PMU i2c_write %02X<-%02X returned %d\n",
|
|
__func__, reg, data_buffer[0], ret);
|
|
|
|
/* TPS65913: LDO9_CTRL = Active */
|
|
data_buffer[0] = 0x01;
|
|
reg = 0x60;
|
|
|
|
ret = dm_i2c_write(dev, reg, data_buffer, 1);
|
|
if (ret)
|
|
printf("%s: PMU i2c_write %02X<-%02X returned %d\n",
|
|
__func__, reg, data_buffer[0], ret);
|
|
|
|
/* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */
|
|
data_buffer[0] = 0x03;
|
|
reg = 0x14;
|
|
|
|
ret = i2c_get_chip_for_busnum(0, BAT_I2C_ADDRESS, 1, &dev);
|
|
if (ret) {
|
|
debug("%s: Cannot find charger I2C chip\n", __func__);
|
|
return;
|
|
}
|
|
ret = dm_i2c_write(dev, reg, data_buffer, 1);
|
|
if (ret)
|
|
printf("%s: BAT i2c_write %02X<-%02X returned %d\n",
|
|
__func__, reg, data_buffer[0], ret);
|
|
}
|
|
|
|
/*
|
|
* Routine: pin_mux_mmc
|
|
* Description: setup the MMC muxes, power rails, etc.
|
|
*/
|
|
void pin_mux_mmc(void)
|
|
{
|
|
/*
|
|
* NOTE: We don't do mmc-specific pin muxes here.
|
|
* They were done globally in pinmux_init().
|
|
*/
|
|
|
|
/* Bring up the SDIO3 power rail */
|
|
board_sdmmc_voltage_init();
|
|
}
|
|
#endif /* MMC */
|