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// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2010-2013 * NVIDIA Corporation <www.nvidia.com> * * (C) Copyright 2023 * 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 is enabled, DVFS2 is disabled */ dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD3, DVFS2 | DVFS1, DVFS1); } #endif #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, struct bd_info *bd) { /* Remove TrustZone nodes and memory reserves */ fdt_del_node_and_alias(blob, "/firmware"); fdt_del_node_and_alias(blob, "/reserved-memory/trustzone@bfe00000"); fdt_del_node_and_alias(blob, "/reserved-memory/bootloader-firmware@b7e00000"); return 0; } #endif |