diff options
Diffstat (limited to 'include/asm-arm/arch-mx28/spi.h')
-rw-r--r-- | include/asm-arm/arch-mx28/spi.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/include/asm-arm/arch-mx28/spi.h b/include/asm-arm/arch-mx28/spi.h deleted file mode 100644 index afd3245..0000000 --- a/include/asm-arm/arch-mx28/spi.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (C) 2008 Embedded Alley Solutions Inc. - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * SSP/SPI driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef SPI_H -#define SPI_H - -#include <config.h> -#include <common.h> -#include <asm/arch/ssp.h> - -/* - * Flags to set SPI mode - */ -#define SPI_PHASE 0x1 /* Set phase to 1 */ -#define SPI_POLARITY 0x2 /* Set polarity to 1 */ - -/* Various flags to control SPI transfers */ -#define SPI_START 0x1 /* Lock CS signal */ -#define SPI_STOP 0x2 /* Unlock CS signal */ - -/* - * Init SSPx interface, must be called first - */ -void spi_init(void); - -/* - * Set phase, polarity and CS number (SS0, SS1, SS2) - */ -void spi_set_cfg(unsigned int bus, unsigned int cs, unsigned long mode); - - -/* - * Send @rx_len bytes from @dout, then receive @rx_len bytes - * saving them to @din - */ -void spi_txrx(const char *dout, unsigned int tx_len, char *din, - unsigned int rx_len, unsigned long flags); - - -/* Lock/unlock SPI bus */ -static inline void spi_lock(void) -{ - disable_interrupts(); -} - -static inline void spi_unlock(void) -{ - enable_interrupts(); -} - -#endif /* SPI_H */ |