Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2010,2011 |
| 4 | * NVIDIA Corporation <www.nvidia.com> |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 7 | #include <asm/io.h> |
Simon Glass | 0ffb9d6 | 2017-05-31 19:47:48 -0600 | [diff] [blame] | 8 | #include <asm/mach-types.h> |
Tom Warren | ab37196 | 2012-09-19 15:50:56 -0700 | [diff] [blame] | 9 | #include <asm/arch/tegra.h> |
Jeroen Hofstee | 93dfae7 | 2014-10-08 22:57:46 +0200 | [diff] [blame] | 10 | #include <asm/arch-tegra/board.h> |
Simon Glass | ea160b1 | 2012-01-11 12:42:28 +0000 | [diff] [blame] | 11 | #include <asm/arch/clock.h> |
| 12 | #include <asm/arch/funcmux.h> |
Stephen Warren | 63315d9 | 2012-10-22 06:19:36 +0000 | [diff] [blame] | 13 | #include <asm/arch/gpio.h> |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 14 | #include <asm/arch/pinmux.h> |
Tom Warren | 97bf58f | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 15 | #include <asm/gpio.h> |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 16 | |
Simon Glass | 704e60d | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 17 | /* TODO: Remove this code when the SPI switch is working */ |
Tom Rini | eb6aadc | 2021-08-30 09:16:32 -0400 | [diff] [blame] | 18 | #ifndef CONFIG_TARGET_VENTANA |
Stephen Warren | 63315d9 | 2012-10-22 06:19:36 +0000 | [diff] [blame] | 19 | void gpio_early_init_uart(void) |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 20 | { |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 21 | /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ |
Stephen Warren | 7f20bb2 | 2016-05-12 12:07:39 -0600 | [diff] [blame] | 22 | gpio_request(TEGRA_GPIO(I, 3), "uart_en"); |
| 23 | gpio_direction_output(TEGRA_GPIO(I, 3), 0); |
Tom Warren | e149558 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 24 | } |
Simon Glass | 704e60d | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 25 | #endif |
Stephen Warren | ffac82e | 2011-10-31 06:51:37 +0000 | [diff] [blame] | 26 | |
Masahiro Yamada | b2c8868 | 2017-01-10 13:32:07 +0900 | [diff] [blame] | 27 | #ifdef CONFIG_MMC_SDHCI_TEGRA |
Tom Warren | 97bf58f | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 28 | /* |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 29 | * Routine: pin_mux_mmc |
| 30 | * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| 31 | */ |
Tom Warren | 9745cf8 | 2013-02-21 12:31:30 +0000 | [diff] [blame] | 32 | void pin_mux_mmc(void) |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 33 | { |
Simon Glass | ea160b1 | 2012-01-11 12:42:28 +0000 | [diff] [blame] | 34 | funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); |
| 35 | funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT); |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 36 | |
| 37 | /* For power GPIO PI6 */ |
Stephen Warren | f27f4e8 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 38 | pinmux_tristate_disable(PMUX_PINGRP_ATA); |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 39 | /* For CD GPIO PI5 */ |
Stephen Warren | f27f4e8 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 40 | pinmux_tristate_disable(PMUX_PINGRP_ATC); |
Stephen Warren | f8eac0d | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 41 | } |
Tom Warren | 97bf58f | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 42 | #endif |
Simon Glass | 5d73a8d | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 43 | |
| 44 | void pin_mux_usb(void) |
| 45 | { |
Stephen Warren | f023187 | 2016-09-15 12:19:39 -0600 | [diff] [blame] | 46 | /* For USB0's GPIO PD0. For now, since we have no pinmux in fdt */ |
Stephen Warren | f27f4e8 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 47 | pinmux_tristate_disable(PMUX_PINGRP_SLXK); |
Stephen Warren | f023187 | 2016-09-15 12:19:39 -0600 | [diff] [blame] | 48 | /* For USB1's ULPI signals */ |
| 49 | funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); |
| 50 | pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); |
| 51 | pinmux_tristate_disable(PMUX_PINGRP_CDEV2); |
| 52 | /* USB1 PHY reset GPIO */ |
| 53 | pinmux_tristate_disable(PMUX_PINGRP_UAC); |
Simon Glass | 5d73a8d | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 54 | } |