1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mmc.h b/arch/arm/plat-mxc/include/mach/mmc.h
new file mode 100644
index 0000000..de2128d
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mmc.h
@@ -0,0 +1,36 @@
+#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);
+};
+
+#endif