DaVinci: SPI: Adding header file for SPI support.

This patch adds "spi.h" header file that will be used by board and
architecture specific code.
Signed-off-by: NSandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: NKevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/include/mach/spi.h

+/*
+ * Copyright 2009 Texas Instruments.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ARCH_ARM_DAVINCI_SPI_H
+#define __ARCH_ARM_DAVINCI_SPI_H
+
+enum {
+	SPI_VERSION_1, /* For DM355/DM365/DM6467 */
+	SPI_VERSION_2, /* For DA8xx */
+};
+
+struct davinci_spi_platform_data {
+	u8	version;
+	u8	num_chipselect;
+	u8	wdelay;
+	u8	odd_parity;
+	u8	parity_enable;
+	u8	wait_enable;
+	u8	timer_disable;
+	u8	clk_internal;
+	u8	cs_hold;
+	u8	intr_level;
+	u8	poll_mode;
+	u8	use_dma;
+	u8	c2tdelay;
+	u8	t2cdelay;
+};
+
+#endif	/* __ARCH_ARM_DAVINCI_SPI_H */