Commit 2120b68f authored by Yi Li's avatar Yi Li Committed by Mike Frysinger
Browse files

Blackfin: bf533-stamp: add resources for mmc_spi card 



Signed-off-by: default avatarYi Li <yi.li@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent f41e2fde

arch/blackfin/mach-bf533/boards/stamp.c

+40 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <linux/mtd/physmap.h>

#include <linux/spi/spi.h>

#include <linux/spi/flash.h>

#include <linux/spi/mmc_spi.h>

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)

#include <linux/usb/isp1362.h>

#endif
@@ -223,6 +224,34 @@ static struct bfin5xx_spi_chip spidev_chip_info = { 
};

#endif



#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)

#define MMC_SPI_CARD_DETECT_INT IRQ_PF5

static int bfin_mmc_spi_init(struct device *dev,

	irqreturn_t (*detect_int)(int, void *), void *data)

{

	return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,

		IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,

		"mmc-spi-detect", data);

}



static void bfin_mmc_spi_exit(struct device *dev, void *data)

{

	free_irq(MMC_SPI_CARD_DETECT_INT, data);

}



static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {

	.init = bfin_mmc_spi_init,

	.exit = bfin_mmc_spi_exit,

	.detect_delay = 100, /* msecs */

};



static struct bfin5xx_spi_chip  mmc_spi_chip_info = {

	.enable_dma = 0,

	.bits_per_word = 8,

	.pio_interrupt = 0,

};

#endif



static struct spi_board_info bfin_spi_board_info[] __initdata = {

#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)

	{
@@ -286,6 +315,17 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { 
		.controller_data = &spidev_chip_info,

	},

#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)

	{

		.modalias = "mmc_spi",

		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */

		.bus_num = 0,

		.chip_select = 4,

		.platform_data = &bfin_mmc_spi_pdata,

		.controller_data = &mmc_spi_chip_info,

		.mode = SPI_MODE_3,

	},

#endif

};



#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)