blob: b5d0c14854dd46020545c54854eae89cd9d85eff [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* (C) Copyright 2010-2013
* NVIDIA Corporation <www.nvidia.com>
*
* (C) Copyright 2021
* Svyatoslav Ryhel <clamor95@gmail.com>
*/
#include <common.h>
#include <asm/arch-tegra/tegra_i2c.h>
#include <linux/delay.h>
/* I2C addr is in 8 bit */
#define TPS65911_I2C_ADDR 0x5A
#define TPS65911_VDDCTRL_OP_REG 0x28
#define TPS65911_VDDCTRL_SR_REG 0x27
#define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG)
#define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG)
#define TPS62366A_I2C_ADDR 0xC0
#define TPS62366A_SET1_REG 0x01
#define TPS62366A_SET1_DATA (0x4600 | TPS62366A_SET1_REG)
void pmic_enable_cpu_vdd(void)
{
/* Set VDD_CORE to 1.200V. */
tegra_i2c_ll_write(TPS62366A_I2C_ADDR,
TPS62366A_SET1_DATA);
udelay(1000);
/*
* Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus.
* First set VDD to 1.0125V, then enable the VDD regulator.
*/
tegra_i2c_ll_write(TPS65911_I2C_ADDR,
TPS65911_VDDCTRL_OP_DATA);
udelay(1000);
tegra_i2c_ll_write(TPS65911_I2C_ADDR,
TPS65911_VDDCTRL_SR_DATA);
udelay(10 * 1000);
}