| /* |
| * 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. |
| */ |
| |
| /* |
| * struct omap_hsmmc_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) |
| #define OMAP_HSMMC_SWAKEUP_MISSING BIT(2) |
| |
| struct omap_hsmmc_dev_attr { |
| u8 flags; |
| }; |
| |
| struct mmc_card; |
| |
| struct omap_hsmmc_platform_data { |
| /* back-link to device */ |
| struct device *dev; |
| |
| /* set if your board has components or wiring that limits the |
| * maximum frequency on the MMC bus */ |
| unsigned int max_freq; |
| |
| /* Integrating attributes from the omap_hwmod layer */ |
| u8 controller_flags; |
| |
| /* Register offset deviation */ |
| u16 reg_offset; |
| |
| /* |
| * 4/8 wires and any additional host capabilities |
| * need to OR'd all capabilities (ref. linux/mmc/host.h) |
| */ |
| u32 caps; /* Used for the MMC driver on 2430 and later */ |
| u32 pm_caps; /* PM capabilities of the mmc */ |
| |
| /* 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; |
| |
| /* eMMC does not handle power off when not in sleep state */ |
| unsigned no_regulator_off_init:1; |
| |
| /* we can put the features above into this variable */ |
| #define HSMMC_HAS_PBIAS (1 << 0) |
| #define HSMMC_HAS_UPDATED_RESET (1 << 1) |
| #define HSMMC_HAS_HSPE_SUPPORT (1 << 2) |
| unsigned features; |
| |
| int switch_pin; /* gpio (card detect) */ |
| int gpio_wp; /* gpio (write protect) */ |
| |
| int (*set_power)(struct device *dev, int power_on, int vdd); |
| void (*remux)(struct device *dev, int power_on); |
| /* Call back before enabling / disabling regulators */ |
| void (*before_set_reg)(struct device *dev, int power_on, int vdd); |
| /* Call back after enabling / disabling regulators */ |
| void (*after_set_reg)(struct device *dev, int power_on, int vdd); |
| /* if we have special card, init it using this callback */ |
| void (*init_card)(struct mmc_card *card); |
| |
| const char *name; |
| u32 ocr_mask; |
| }; |