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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2010-2013
* NVIDIA Corporation <www.nvidia.com>
*
* (C) Copyright 2023
* Svyatoslav Ryhel <[email protected]>
*/
#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
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