1 /* 2 * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * SPDX-License-Identifier: GPL-2.0 8 */ 9 10 #include <common.h> 11 #include <asm/io.h> 12 #include <asm/arch/tegra.h> 13 #include <asm/arch/pinmux.h> 14 #include <asm/gpio.h> 15 16 #ifdef CONFIG_MMC_SDHCI_TEGRA 17 /* 18 * Routine: pin_mux_mmc 19 * Description: setup the pin muxes/tristate values for the SDMMC(s) 20 */ 21 void pin_mux_mmc(void) 22 { 23 /* SDMMC4: config 3, x8 on 2nd set of pins */ 24 pinmux_set_func(PMUX_PINGRP_ATB, PMUX_FUNC_SDIO4); 25 pinmux_set_func(PMUX_PINGRP_GMA, PMUX_FUNC_SDIO4); 26 pinmux_set_func(PMUX_PINGRP_GME, PMUX_FUNC_SDIO4); 27 28 pinmux_tristate_disable(PMUX_PINGRP_ATB); 29 pinmux_tristate_disable(PMUX_PINGRP_GMA); 30 pinmux_tristate_disable(PMUX_PINGRP_GME); 31 32 /* SDIO1: SDIO1_CLK, SDIO1_CMD, SDIO1_DAT[3:0] */ 33 pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_SDIO1); 34 35 pinmux_tristate_disable(PMUX_PINGRP_SDIO1); 36 37 /* For power GPIO PV1 */ 38 pinmux_tristate_disable(PMUX_PINGRP_UAC); 39 /* For CD GPIO PV5 */ 40 pinmux_tristate_disable(PMUX_PINGRP_GPV); 41 } 42 #endif 43 44 #ifdef CONFIG_DM_VIDEO 45 /* this is a weak define that we are overriding */ 46 void pin_mux_display(void) 47 { 48 debug("init display pinmux\n"); 49 50 /* EN_VDD_PANEL GPIO A4 */ 51 pinmux_tristate_disable(PMUX_PINGRP_DAP2); 52 } 53 #endif 54