1 /* 2 * (C) Copyright 2010-2012 3 * NVIDIA Corporation <www.nvidia.com> 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <asm/io.h> 26 #include <asm/arch/tegra.h> 27 #include <asm/arch/clock.h> 28 #include <asm/arch/funcmux.h> 29 #include <asm/arch/pinmux.h> 30 #include <asm/gpio.h> 31 #include <i2c.h> 32 33 void pin_mux_usb(void) 34 { 35 /* 36 * USB1 internal/external mux GPIO, which masquerades as a VBUS GPIO 37 * in the current device tree. 38 */ 39 pinmux_tristate_disable(PINGRP_UAC); 40 } 41 42 void pin_mux_spi(void) 43 { 44 funcmux_select(PERIPH_ID_SPI1, FUNCMUX_SPI1_GMC_GMD); 45 } 46 47 /* 48 * Routine: pin_mux_mmc 49 * Description: setup the pin muxes/tristate values for the SDMMC(s) 50 */ 51 void pin_mux_mmc(void) 52 { 53 funcmux_select(PERIPH_ID_SDMMC1, FUNCMUX_SDMMC1_SDIO1_4BIT); 54 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); 55 56 /* For CD GPIO PP1 */ 57 pinmux_tristate_disable(PINGRP_DAP3); 58 } 59