linux-imx

/*

 * Copyright (C) 2009 Texas Instruments.

 * Copyright (C) 2010 EF Johnson Technologies

 *

 * 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.

 */

​

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/gpio/consumer.h>

#include <linux/module.h>

#include <linux/delay.h>

#include <linux/platform_device.h>

#include <linux/err.h>

#include <linux/clk.h>

#include <linux/dmaengine.h>

#include <linux/dma-mapping.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/spi/spi.h>

#include <linux/spi/spi_bitbang.h>

#include <linux/slab.h>

​

#include <linux/platform_data/spi-davinci.h>

​

#define CS_DEFAULT  0xFF

​

#define SPIFMT_PHASE_MASK   BIT(16)

#define SPIFMT_POLARITY_MASK    BIT(17)

#define SPIFMT_DISTIMER_MASK    BIT(18)

#define SPIFMT_SHIFTDIR_MASK    BIT(20)

#define SPIFMT_WAITENA_MASK BIT(21)

#define SPIFMT_PARITYENA_MASK   BIT(22)

#define SPIFMT_ODD_PARITY_MASK  BIT(23)

#define SPIFMT_WDELAY_MASK  0x3f000000u

#define SPIFMT_WDELAY_SHIFT 24

#define SPIFMT_PRESCALE_SHIFT   8

​

/* SPIPC0 */

#define SPIPC0_DIFUN_MASK   BIT(11)     /* MISO */

#define SPIPC0_DOFUN_MASK   BIT(10)     /* MOSI */

#define SPIPC0_CLKFUN_MASK  BIT(9)      /* CLK */

#define SPIPC0_SPIENA_MASK  BIT(8)      /* nREADY */

​

#define SPIINT_MASKALL      0x0101035F

#define SPIINT_MASKINT      0x0000015F

#define SPI_INTLVL_1        0x000001FF

#define SPI_INTLVL_0        0x00000000

​

/* SPIDAT1 (upper 16 bit defines) */

#define SPIDAT1_CSHOLD_MASK BIT(12)

#define SPIDAT1_WDEL        BIT(10)

​

/* SPIGCR1 */

#define SPIGCR1_CLKMOD_MASK BIT(1)