1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  (C) Copyright 2010,2011
4  *  NVIDIA Corporation <www.nvidia.com>
5  */
6 
7 #include <asm/io.h>
8 #include <asm/arch/clock.h>
9 #include <asm/arch/funcmux.h>
10 #include <asm/arch/pinmux.h>
11 #include <asm/arch/tegra.h>
12 #include <asm/gpio.h>
13 
14 #ifdef CONFIG_MMC_SDHCI_TEGRA
15 /*
16  * Routine: pin_mux_mmc
17  * Description: setup the pin muxes/tristate values for the SDMMC(s)
18  */
pin_mux_mmc(void)19 void pin_mux_mmc(void)
20 {
21 	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
22 	funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
23 
24 	/* For power GPIO PI6 */
25 	pinmux_tristate_disable(PMUX_PINGRP_ATA);
26 	/* For CD GPIO PH2 */
27 	pinmux_tristate_disable(PMUX_PINGRP_ATD);
28 
29 	/* For power GPIO PT3 */
30 	pinmux_tristate_disable(PMUX_PINGRP_DTB);
31 	/* For CD GPIO PI5 */
32 	pinmux_tristate_disable(PMUX_PINGRP_ATC);
33 }
34 #endif
35 
pin_mux_usb(void)36 void pin_mux_usb(void)
37 {
38 	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
39 	pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
40 	pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
41 	/* USB2 PHY reset GPIO */
42 	pinmux_tristate_disable(PMUX_PINGRP_UAC);
43 }
44 
pin_mux_display(void)45 void pin_mux_display(void)
46 {
47 	pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM);
48 	pinmux_tristate_disable(PMUX_PINGRP_SDC);
49 }
50