// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2010,2011 * NVIDIA Corporation */ #include #include #include #include #include #include #include #include #include #include /* TODO: Remove this code when the SPI switch is working */ #ifndef CONFIG_TARGET_VENTANA void gpio_early_init_uart(void) { /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ gpio_request(TEGRA_GPIO(I, 3), "uart_en"); gpio_direction_output(TEGRA_GPIO(I, 3), 0); } #endif #ifdef CONFIG_MMC_SDHCI_TEGRA /* * Routine: pin_mux_mmc * Description: setup the pin muxes/tristate values for the SDMMC(s) */ void pin_mux_mmc(void) { funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT); /* For power GPIO PI6 */ pinmux_tristate_disable(PMUX_PINGRP_ATA); /* For CD GPIO PI5 */ pinmux_tristate_disable(PMUX_PINGRP_ATC); } #endif void pin_mux_usb(void) { /* For USB0's GPIO PD0. For now, since we have no pinmux in fdt */ pinmux_tristate_disable(PMUX_PINGRP_SLXK); /* For USB1's ULPI signals */ funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); pinmux_tristate_disable(PMUX_PINGRP_CDEV2); /* USB1 PHY reset GPIO */ pinmux_tristate_disable(PMUX_PINGRP_UAC); }