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