| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * MMC definitions for OMAP2 |
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| 4 | * |
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| 5 | * Copyright (C) 2006 Nokia Corporation |
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| 6 | */ |
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| 7 | |
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| 8 | /* |
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| 9 | * struct omap_hsmmc_dev_attr.flags possibilities |
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| 10 | * |
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| 11 | * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can |
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| 12 | * operate with either 1.8Vdc or 3.0Vdc card voltages; this flag |
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| 13 | * should be set if this is the case. See for example Section 22.5.3 |
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| 14 | * "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia |
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| 15 | * Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R). |
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| 16 | * |
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| 17 | * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers |
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| 18 | * don't work correctly on some MMC controller instances on some |
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| 19 | * OMAP3 SoCs; this flag should be set if this is the case. See |
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| 20 | * for example Advisory 2.1.1.128 "MMC: Multiple Block Read |
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| 21 | * Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_ |
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| 22 | * Revision F (October 2010) (SPRZ278F). |
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| 23 | */ |
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| 24 | #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) |
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| 25 | #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) |
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| 26 | #define OMAP_HSMMC_SWAKEUP_MISSING BIT(2) |
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| 27 | |
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| 28 | struct omap_hsmmc_dev_attr { |
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| 29 | u8 flags; |
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| 30 | }; |
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| 31 | |
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| 32 | struct mmc_card; |
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| 33 | |
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| 34 | struct omap_hsmmc_platform_data { |
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| 35 | /* back-link to device */ |
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| 36 | struct device *dev; |
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| 37 | |
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| 38 | /* set if your board has components or wiring that limits the |
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| 39 | * maximum frequency on the MMC bus */ |
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| 40 | unsigned int max_freq; |
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| 41 | |
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| 42 | /* Integrating attributes from the omap_hwmod layer */ |
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| 43 | u8 controller_flags; |
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| 44 | |
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| 45 | /* Register offset deviation */ |
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| 46 | u16 reg_offset; |
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| 47 | |
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| 48 | /* |
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| 49 | * 4/8 wires and any additional host capabilities |
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| 50 | * need to OR'd all capabilities (ref. linux/mmc/host.h) |
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| 51 | */ |
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| 52 | u32 caps; /* Used for the MMC driver on 2430 and later */ |
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| 53 | u32 pm_caps; /* PM capabilities of the mmc */ |
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| 54 | |
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| 55 | /* nonremovable e.g. eMMC */ |
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| 56 | unsigned nonremovable:1; |
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| 57 | |
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| 58 | /* eMMC does not handle power off when not in sleep state */ |
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| 59 | unsigned no_regulator_off_init:1; |
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| 60 | |
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| 61 | /* we can put the features above into this variable */ |
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| 62 | #define HSMMC_HAS_PBIAS (1 << 0) |
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| 63 | #define HSMMC_HAS_UPDATED_RESET (1 << 1) |
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| 64 | #define HSMMC_HAS_HSPE_SUPPORT (1 << 2) |
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| 65 | unsigned features; |
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| 66 | |
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| 67 | /* string specifying a particular variant of hardware */ |
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| 68 | char *version; |
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| 69 | |
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| 70 | const char *name; |
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| 71 | u32 ocr_mask; |
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| 72 | }; |
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| 73 | |
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