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authorYi Li <yi.li@analog.com>2009-07-16 10:12:30 +0000
committerMike Frysinger <vapier@gentoo.org>2009-09-16 21:31:49 -0400
commit2120b68f31d3b08be99010b3992f58f07794b8b0 (patch)
tree73daa69bf78abb3d95d034324ba5dccf10dcb567 /arch/blackfin
parentf41e2fded031cd8f3c0430687fa6b35ca0589088 (diff)
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')
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c40
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 42d4c9fcc12..e6548a62394 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)