| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2024 |
| * Svyatoslav Ryhel <clamor95@gmail.com> |
| */ |
| |
| #include <dm.h> |
| #include <fdt_support.h> |
| #include <i2c.h> |
| #include <log.h> |
| |
| #ifdef CONFIG_MMC_SDHCI_TEGRA |
| |
| #define TPS65913_I2C_ADDRESS 0x58 |
| #define TPS65913_PRIMARY_SECONDARY_PAD2 0xfb |
| #define GPIO_4 BIT(0) |
| #define TPS65913_PRIMARY_SECONDARY_PAD3 0xfe |
| #define DVFS2 BIT(1) |
| #define DVFS1 BIT(0) |
| |
| /* We are using this function only till palmas pinctrl driver is available */ |
| void pin_mux_mmc(void) |
| { |
| struct udevice *dev; |
| int ret; |
| |
| ret = i2c_get_chip_for_busnum(0, TPS65913_I2C_ADDRESS, 1, &dev); |
| if (ret) { |
| log_debug("%s: cannot find PMIC I2C chip\n", __func__); |
| return; |
| } |
| |
| /* GPIO4 function has to be GPIO */ |
| dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD2, |
| GPIO_4, 0); |
| |
| /* DVFS1 and DVFS2 are disabled */ |
| dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD3, |
| DVFS2 | DVFS1, 0); |
| } |
| #endif |