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Diffstat (limited to 'include/linux/spi/mmc_spi.h')
-rw-r--r--include/linux/spi/mmc_spi.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/include/linux/spi/mmc_spi.h b/include/linux/spi/mmc_spi.h
index 32be8dbdf191..274bc0fa00af 100644
--- a/include/linux/spi/mmc_spi.h
+++ b/include/linux/spi/mmc_spi.h
@@ -7,6 +7,11 @@
struct device;
struct mmc_host;
+#define MMC_SPI_USE_CD_GPIO (1 << 0)
+#define MMC_SPI_USE_RO_GPIO (1 << 1)
+#define MMC_SPI_CD_GPIO_ACTIVE_LOW (1 << 2)
+#define MMC_SPI_RO_GPIO_ACTIVE_LOW (1 << 3)
+
/* Put this in platform_data of a device being used to manage an MMC/SD
* card slot. (Modeled after PXA mmc glue; see that for usage examples.)
*
@@ -21,17 +26,19 @@ struct mmc_spi_platform_data {
void *);
void (*exit)(struct device *, void *);
- /* sense switch on sd cards */
- int (*get_ro)(struct device *);
-
/*
- * If board does not use CD interrupts, driver can optimize polling
- * using this function.
+ * Card Detect and Read Only GPIOs. To enable debouncing on the card
+ * detect GPIO, set the cd_debounce to the debounce time in
+ * microseconds.
*/
- int (*get_cd)(struct device *);
+ unsigned int flags;
+ unsigned int cd_gpio;
+ unsigned int cd_debounce;
+ unsigned int ro_gpio;
/* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */
unsigned long caps;
+ unsigned long caps2;
/* how long to debounce card detect, in msecs */
u16 detect_delay;