1 /*
2  *  (C) Copyright 2010-2012
3  *  NVIDIA Corporation <www.nvidia.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <asm/io.h>
10 #include <asm/arch/tegra.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/funcmux.h>
13 #include <asm/arch/pinmux.h>
14 #include <asm/gpio.h>
15 #include <i2c.h>
16 
17 void pin_mux_usb(void)
18 {
19 	/*
20 	 * USB1 internal/external mux GPIO, which masquerades as a VBUS GPIO
21 	 * in the current device tree.
22 	 */
23 	pinmux_tristate_disable(PINGRP_UAC);
24 }
25 
26 void pin_mux_spi(void)
27 {
28 	funcmux_select(PERIPH_ID_SPI1, FUNCMUX_SPI1_GMC_GMD);
29 }
30 
31 /*
32  * Routine: pin_mux_mmc
33  * Description: setup the pin muxes/tristate values for the SDMMC(s)
34  */
35 void pin_mux_mmc(void)
36 {
37 	funcmux_select(PERIPH_ID_SDMMC1, FUNCMUX_SDMMC1_SDIO1_4BIT);
38 	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT);
39 
40 	/* For CD GPIO PP1 */
41 	pinmux_tristate_disable(PINGRP_DAP3);
42 }
43