2 * Copyright (c) 2011 The Chromium OS Authors.
3 * See file CREDITS for list of people who contributed to this
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #ifndef _UART_SPI_SWITCH_H
23 #define _UART_SPI_SWITCH_H
25 #if defined(CONFIG_SPI_UART_SWITCH)
27 * Signal that we are about to use the UART. This unfortunate hack is
28 * required by Seaboard, which cannot use its console and SPI at the same
29 * time! If the board file provides this, the board config will declare it.
30 * Let this be a lesson for others.
32 void pinmux_select_uart(void);
35 * Signal that we are about the use the SPI bus.
37 void pinmux_select_spi(void);
39 #else /* not CONFIG_SPI_UART_SWITCH */
41 static inline void pinmux_select_uart(void) {}
42 static inline void pinmux_select_spi(void) {}