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| author | Yi Li <yi.li@analog.com> | 2009-07-16 10:12:30 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-09-16 21:31:49 -0400 |
| commit | 2120b68f31d3b08be99010b3992f58f07794b8b0 (patch) | |
| tree | 73daa69bf78abb3d95d034324ba5dccf10dcb567 /arch/blackfin/mach-bf533 | |
| parent | f41e2fded031cd8f3c0430687fa6b35ca0589088 (diff) | |
| download | lwn-2120b68f31d3b08be99010b3992f58f07794b8b0.tar.gz lwn-2120b68f31d3b08be99010b3992f58f07794b8b0.zip | |
Blackfin: bf533-stamp: add resources for mmc_spi card
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-bf533')
| -rw-r--r-- | 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 42d4c9fcc12f..e6548a623940 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) |