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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>
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1 changed files with 40 additions and 0 deletions
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@ -35,6 +35,7 @@
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#include <linux/mtd/physmap.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/spi/mmc_spi.h>
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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#include <linux/usb/isp1362.h>
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#endif
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@ -223,6 +224,34 @@ static struct bfin5xx_spi_chip spidev_chip_info = {
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};
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#endif
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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
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#define MMC_SPI_CARD_DETECT_INT IRQ_PF5
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static int bfin_mmc_spi_init(struct device *dev,
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irqreturn_t (*detect_int)(int, void *), void *data)
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{
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return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
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IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
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"mmc-spi-detect", data);
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}
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static void bfin_mmc_spi_exit(struct device *dev, void *data)
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{
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free_irq(MMC_SPI_CARD_DETECT_INT, data);
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}
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static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
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.init = bfin_mmc_spi_init,
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.exit = bfin_mmc_spi_exit,
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.detect_delay = 100, /* msecs */
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};
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static struct bfin5xx_spi_chip mmc_spi_chip_info = {
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.enable_dma = 0,
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.bits_per_word = 8,
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.pio_interrupt = 0,
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};
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#endif
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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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{
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@ -286,6 +315,17 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
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.controller_data = &spidev_chip_info,
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},
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#endif
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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
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{
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.modalias = "mmc_spi",
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.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 4,
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.platform_data = &bfin_mmc_spi_pdata,
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.controller_data = &mmc_spi_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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};
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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