Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / platform_data / mmc-mxcmmc.h

diff --git a/kernel/include/linux/platform_data/mmc-mxcmmc.h b/kernel/include/linux/platform_data/mmc-mxcmmc.h
new file mode 100644 (file)
index 0000000..29115f4
--- /dev/null
+++ b/kernel/include/linux/platform_data/mmc-mxcmmc.h
@@ -0,0 +1,39 @@
+#ifndef ASMARM_ARCH_MMC_H
+#define ASMARM_ARCH_MMC_H
+
+#include <linux/mmc/host.h>
+
+struct device;
+
+/* board specific SDHC data, optional.
+ * If not present, a writable card with 3,3V is assumed.
+ */
+struct imxmmc_platform_data {
+       /* Return values for the get_ro callback should be:
+        *   0 for a read/write card
+        *   1 for a read-only card
+        *   -ENOSYS when not supported (equal to NULL callback)
+        *   or a negative errno value when something bad happened
+        */
+       int (*get_ro)(struct device *);
+
+       /* board specific hook to (de)initialize the SD slot.
+        * The board code can call 'handler' on a card detection
+        * change giving data as argument.
+        */
+       int (*init)(struct device *dev, irq_handler_t handler, void *data);
+       void (*exit)(struct device *dev, void *data);
+
+       /* available voltages. If not given, assume
+        * MMC_VDD_32_33 | MMC_VDD_33_34
+        */
+       unsigned int ocr_avail;
+
+       /* adjust slot voltage */
+       void (*setpower)(struct device *, unsigned int vdd);
+
+       /* enable card detect using DAT3 */
+       int dat3_card_detect;
+};
+
+#endif