/* SPDX-License-Identifier: GPL-2.0 */ #ifndef MFD_TMIO_H #define MFD_TMIO_H #include <linux/platform_device.h> #include <linux/types.h> /* TMIO MMC platform flags */ /* * Some controllers can support a 2-byte block size when the bus width is * configured in 4-bit mode. */ #define TMIO_MMC_BLKSZ_2BYTES … /* Some controllers can support SDIO IRQ signalling */ #define TMIO_MMC_SDIO_IRQ … /* Some features are only available or tested on R-Car Gen2 or later */ #define TMIO_MMC_MIN_RCAR2 … /* * Some controllers require waiting for the SD bus to become idle before * writing to some registers. */ #define TMIO_MMC_HAS_IDLE_WAIT … /* * Use the busy timeout feature. Probably all TMIO versions support it. Yet, * we don't have documentation for old variants, so we enable only known good * variants with this flag. Can be removed once all variants are known good. */ #define TMIO_MMC_USE_BUSY_TIMEOUT … /* Some controllers have CMD12 automatically issue/non-issue register */ #define TMIO_MMC_HAVE_CMD12_CTRL … /* Controller has some SDIO status bits which must be 1 */ #define TMIO_MMC_SDIO_STATUS_SETBITS … /* Some controllers have a 32-bit wide data port register */ #define TMIO_MMC_32BIT_DATA_PORT … /* Some controllers allows to set SDx actual clock */ #define TMIO_MMC_CLK_ACTUAL … /* Some controllers have a CBSY bit */ #define TMIO_MMC_HAVE_CBSY … struct tmio_mmc_data { … }; #endif
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