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| author | Tom Rini <trini@konsulko.com> | 2023-08-18 10:05:04 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-08-18 10:05:04 -0400 |
| commit | 2d8e7ac3202bbde28100b545a160a2d634844f1c (patch) | |
| tree | ada112814b14fd4596c5b2483ee8cf5bc7f9fcbd /board/asus/grouper/grouper-spl-max.c | |
| parent | 3a438c1dbc23740fa3142bc5277ed3204b4e3eb9 (diff) | |
| parent | bdf9dead86f06c7d6980c399a4a6339430b531ec (diff) | |
Merge tag 'tegra-for-2023.10-rc1' of https://source.denx.de/u-boot/custodians/u-boot-tegra
ARM: tegra: Changes for v2023.10-rc1
This adds support for various new Tegra30 boards (ASUS, LG and HTC) and
has some other minor enhancements, such as enabling the poweroff command
on several Tegra210 and Tegra186 boards.
Diffstat (limited to 'board/asus/grouper/grouper-spl-max.c')
| -rw-r--r-- | board/asus/grouper/grouper-spl-max.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/board/asus/grouper/grouper-spl-max.c b/board/asus/grouper/grouper-spl-max.c new file mode 100644 index 00000000000..844383766a7 --- /dev/null +++ b/board/asus/grouper/grouper-spl-max.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * T30 Grouper MAX 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 MAX77663_I2C_ADDR (0x3C << 1) + +#define MAX77663_REG_SD0 0x16 +#define MAX77663_REG_SD0_DATA (0x2100 | MAX77663_REG_SD0) +#define MAX77663_REG_SD1 0x17 +#define MAX77663_REG_SD1_DATA (0x3000 | MAX77663_REG_SD1) +#define MAX77663_REG_LDO4 0x2B +#define MAX77663_REG_LDO4_DATA (0xE000 | MAX77663_REG_LDO4) + +#define MAX77663_REG_GPIO4 0x3A +#define MAX77663_REG_GPIO4_DATA (0x0100 | MAX77663_REG_GPIO4) + +void pmic_enable_cpu_vdd(void) +{ + /* Set VDD_CORE to 1.200V. */ + tegra_i2c_ll_write(MAX77663_I2C_ADDR, MAX77663_REG_SD1_DATA); + + udelay(1000); + + /* Bring up VDD_CPU to 1.0125V. */ + tegra_i2c_ll_write(MAX77663_I2C_ADDR, MAX77663_REG_SD0_DATA); + udelay(1000); + + /* Bring up VDD_RTC to 1.200V. */ + tegra_i2c_ll_write(MAX77663_I2C_ADDR, MAX77663_REG_LDO4_DATA); + udelay(10 * 1000); + + /* Set 32k-out gpio state */ + tegra_i2c_ll_write(MAX77663_I2C_ADDR, MAX77663_REG_GPIO4_DATA); +} |