mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 20:43:32 +00:00
855ffdfa65
Nexus 7 is a mini tablet computer co-developed by Google and Asus that runs the Android operating system. The Nexus 7 features a 7" display, an Nvidia Tegra 3 quad-core chip, 1 GB of RAM and 8/16 GB of internal storage. This patch brings support for all 3 known ASUS/Google devices: - Nexus 7 (2012) E1565 - Nexus 7 (2012) PM269 - Nexus 7 (2012) 3G - tilapia Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS Grouper E1565 Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # ASUS Grouper E1565 Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* T30 Grouper TI SPL stage configuration
|
|
*
|
|
* (C) Copyright 2010-2013
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
*
|
|
* (C) Copyright 2022
|
|
* Svyatoslav Ryhel <clamor95@gmail.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch-tegra/tegra_i2c.h>
|
|
#include <linux/delay.h>
|
|
|
|
#define TPS65911_I2C_ADDR (0x2D << 1)
|
|
#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 TPS62361B_I2C_ADDR (0x60 << 1)
|
|
#define TPS62361B_SET3_REG 0x03
|
|
#define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG)
|
|
|
|
void pmic_enable_cpu_vdd(void)
|
|
{
|
|
/* Set VDD_CORE to 1.200V. */
|
|
tegra_i2c_ll_write(TPS62361B_I2C_ADDR, TPS62361B_SET3_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);
|
|
}
|