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    Subject[PATCH 31/72] Blackfin: bf533-stamp: add resources for mmc_spi card
    Date
    From: Yi Li <yi.li@analog.com>

    Signed-off-by: Yi Li <yi.li@analog.com>
    Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    ---
    arch/blackfin/mach-bf533/boards/stamp.c | 40 +++++++++++++++++++++++++++++++
    1 files changed, 40 insertions(+), 0 deletions(-)

    diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
    index 42d4c9f..e6548a6 100644
    --- a/arch/blackfin/mach-bf533/boards/stamp.c
    +++ b/arch/blackfin/mach-bf533/boards/stamp.c
    @@ -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)
    --
    1.6.4.2


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