/* SPDX-License-Identifier: GPL-2.0-only */ /* * MMC definitions for OMAP2 * * Copyright (C) 2006 Nokia Corporation */ /* * 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 */ /* 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; /* string specifying a particular variant of hardware */ char *version; /* if we have special card, init it using this callback */ void (*init_card)(struct mmc_card *card); const char *name; u32 ocr_mask; };