xref: /openbmc/u-boot/board/nvidia/harmony/harmony.c (revision 93322749)
1 /*
2  *  (C) Copyright 2010,2011
3  *  NVIDIA Corporation <www.nvidia.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <lcd.h>
10 #include <asm/io.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/funcmux.h>
13 #include <asm/arch/pinmux.h>
14 #include <asm/arch/tegra.h>
15 #include <asm/gpio.h>
16 
17 #ifdef CONFIG_TEGRA_MMC
18 /*
19  * Routine: pin_mux_mmc
20  * Description: setup the pin muxes/tristate values for the SDMMC(s)
21  */
22 void pin_mux_mmc(void)
23 {
24 	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
25 	funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
26 
27 	/* For power GPIO PI6 */
28 	pinmux_tristate_disable(PMUX_PINGRP_ATA);
29 	/* For CD GPIO PH2 */
30 	pinmux_tristate_disable(PMUX_PINGRP_ATD);
31 
32 	/* For power GPIO PT3 */
33 	pinmux_tristate_disable(PMUX_PINGRP_DTB);
34 	/* For CD GPIO PI5 */
35 	pinmux_tristate_disable(PMUX_PINGRP_ATC);
36 }
37 #endif
38 
39 void pin_mux_usb(void)
40 {
41 	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
42 	pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
43 	pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
44 	/* USB2 PHY reset GPIO */
45 	pinmux_tristate_disable(PMUX_PINGRP_UAC);
46 }
47 
48 void pin_mux_display(void)
49 {
50 	pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM);
51 	pinmux_tristate_disable(PMUX_PINGRP_SDC);
52 }
53