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b12931d7de
The Tegra Note 7 is a mini tablet computer and the second Tegra 4 based mobile device designed by Nvidia that runs the Android operating system. The Tegra Note has a 7" IPS display with 1280 x 800 (217 ppi) resolution. The 1 GB of RAM and 16 GB of internal memory can be supplemented with a microSDXC card giving up to 64 GB of additional storage. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2010-2013
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* NVIDIA Corporation <www.nvidia.com>
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*
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* (C) Copyright 2023
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* Svyatoslav Ryhel <clamor95@gmail.com>
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*/
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#include <dm.h>
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#include <fdt_support.h>
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#include <i2c.h>
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#include <log.h>
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#ifdef CONFIG_MMC_SDHCI_TEGRA
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#define TPS65913_I2C_ADDRESS 0x58
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#define TPS65913_PRIMARY_SECONDARY_PAD2 0xfb
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#define GPIO_4 BIT(0)
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#define TPS65913_PRIMARY_SECONDARY_PAD3 0xfe
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#define DVFS2 BIT(1)
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#define DVFS1 BIT(0)
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/* We are using this function only till palmas pinctrl driver is available */
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void pin_mux_mmc(void)
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{
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struct udevice *dev;
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int ret;
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ret = i2c_get_chip_for_busnum(0, TPS65913_I2C_ADDRESS, 1, &dev);
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if (ret) {
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log_debug("%s: cannot find PMIC I2C chip\n", __func__);
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return;
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}
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/* GPIO4 function has to be GPIO */
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dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD2,
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GPIO_4, 0);
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/* DVFS1 is enabled, DVFS2 is disabled */
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dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD3,
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DVFS2 | DVFS1, DVFS1);
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}
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#endif
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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/* Remove TrustZone nodes and memory reserves */
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fdt_del_node_and_alias(blob, "/firmware");
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fdt_del_node_and_alias(blob, "/reserved-memory/trustzone@bfe00000");
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fdt_del_node_and_alias(blob, "/reserved-memory/bootloader-firmware@b7e00000");
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return 0;
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}
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#endif
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