1 files changed, 150 insertions, 0 deletions

diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h
new file mode 100644
index 000000000000..2bf6ea82ff94
--- /dev/null
+++ b/include/linux/platform_data/mmc-omap.h
@@ -0,0 +1,150 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define OMAP_MMC_MAX_SLOTS      2
+
+/*
+ * struct omap_mmc_dev_attr.flags possibilities
+ *
+ * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can
+ *    operate with either 1.8Vdc or 3.0Vdc card voltages; this flag
+ *    should be set if this is the case.  See for example Section 22.5.3
+ *    "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia
+ *    Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R).
+ *
+ * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers
+ *    don't work correctly on some MMC controller instances on some
+ *    OMAP3 SoCs; this flag should be set if this is the case.  See
+ *    for example Advisory 2.1.1.128 "MMC: Multiple Block Read
+ *    Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_
+ *    Revision F (October 2010) (SPRZ278F).
+ */
+#define OMAP_HSMMC_SUPPORTS_DUAL_VOLT           BIT(0)
+#define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ       BIT(1)
+
+struct mmc_card;
+
+struct omap_mmc_dev_attr {
+        u8 flags;
+};
+
+struct omap_mmc_platform_data {
+        /* back-link to device */
+        struct device *dev;
+
+        /* number of slots per controller */
+        unsigned nr_slots:2;
+
+        /* set if your board has components or wiring that limits the
+         * maximum frequency on the MMC bus */
+        unsigned int max_freq;
+
+        /* switch the bus to a new slot */
+        int (*switch_slot)(struct device *dev, int slot);
+        /* initialize board-specific MMC functionality, can be NULL if
+         * not supported */
+        int (*init)(struct device *dev);
+        void (*cleanup)(struct device *dev);
+        void (*shutdown)(struct device *dev);
+
+        /* To handle board related suspend/resume functionality for MMC */
+        int (*suspend)(struct device *dev, int slot);
+        int (*resume)(struct device *dev, int slot);
+
+        /* Return context loss count due to PM states changing */
+        int (*get_context_loss_count)(struct device *dev);
+
+        /* Integrating attributes from the omap_hwmod layer */
+        u8 controller_flags;
+
+        /* Register offset deviation */
+        u16 reg_offset;
+
+        struct omap_mmc_slot_data {
+
+                /*
+                 * 4/8 wires and any additional host capabilities
+                 * need to OR'd all capabilities (ref. linux/mmc/host.h)
+                 */
+                u8  wires;      /* Used for the MMC driver on omap1 and 2420 */
+                u32 caps;       /* Used for the MMC driver on 2430 and later */
+                u32 pm_caps;    /* PM capabilities of the mmc */
+
+                /*
+                 * nomux means "standard" muxing is wrong on this board, and
+                 * that board-specific code handled it before common init logic.
+                 */
+                unsigned nomux:1;
+
+                /* switch pin can be for card detect (default) or card cover */
+                unsigned cover:1;
+
+                /* use the internal clock */
+                unsigned internal_clock:1;
+
+                /* nonremovable e.g. eMMC */
+                unsigned nonremovable:1;
+
+                /* Try to sleep or power off when possible */
+                unsigned power_saving:1;
+
+                /* If using power_saving and the MMC power is not to go off */
+                unsigned no_off:1;
+
+                /* eMMC does not handle power off when not in sleep state */
+                unsigned no_regulator_off_init:1;
+
+                /* Regulator off remapped to sleep */
+                unsigned vcc_aux_disable_is_sleep:1;
+
+                /* we can put the features above into this variable */
+#define HSMMC_HAS_PBIAS         (1 << 0)
+#define HSMMC_HAS_UPDATED_RESET (1 << 1)
+#define MMC_OMAP7XX             (1 << 2)
+#define MMC_OMAP15XX            (1 << 3)
+#define MMC_OMAP16XX            (1 << 4)
+                unsigned features;
+
+                int switch_pin;                 /* gpio (card detect) */
+                int gpio_wp;                    /* gpio (write protect) */
+
+                int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
+                int (*set_power)(struct device *dev, int slot,
+                                 int power_on, int vdd);
+                int (*get_ro)(struct device *dev, int slot);
+                void (*remux)(struct device *dev, int slot, int power_on);
+                /* Call back before enabling / disabling regulators */
+                void (*before_set_reg)(struct device *dev, int slot,
+                                       int power_on, int vdd);
+                /* Call back after enabling / disabling regulators */
+                void (*after_set_reg)(struct device *dev, int slot,
+                                      int power_on, int vdd);
+                /* if we have special card, init it using this callback */
+                void (*init_card)(struct mmc_card *card);
+
+                /* return MMC cover switch state, can be NULL if not supported.
+                 *
+                 * possible return values:
+                 *   0 - closed
+                 *   1 - open
+                 */
+                int (*get_cover_state)(struct device *dev, int slot);
+
+                const char *name;
+                u32 ocr_mask;
+
+                /* Card detection IRQs */
+                int card_detect_irq;
+                int (*card_detect)(struct device *dev, int slot);
+
+                unsigned int ban_openended:1;
+
+        } slots[OMAP_MMC_MAX_SLOTS];
+};