1 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/platform_data/tmio.h b/include/linux/platform_data/tmio.h
new file mode 100644
index 000000000000..b060124ba1ae
--- /dev/null
+++ b/include/linux/platform_data/tmio.h
@@ -0,0 +1,62 @@
+/* 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		BIT(1)
+
+/* Some controllers can support SDIO IRQ signalling */
+#define TMIO_MMC_SDIO_IRQ		BIT(2)
+
+/* Some features are only available or tested on R-Car Gen2 or later */
+#define TMIO_MMC_MIN_RCAR2		BIT(3)
+
+/*
+ * Some controllers require waiting for the SD bus to become idle before
+ * writing to some registers.
+ */
+#define TMIO_MMC_HAS_IDLE_WAIT		BIT(4)
+
+/*
+ * 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	BIT(5)
+
+/* Some controllers have CMD12 automatically issue/non-issue register */
+#define TMIO_MMC_HAVE_CMD12_CTRL	BIT(7)
+
+/* Controller has some SDIO status bits which must be 1 */
+#define TMIO_MMC_SDIO_STATUS_SETBITS	BIT(8)
+
+/* Some controllers have a 32-bit wide data port register */
+#define TMIO_MMC_32BIT_DATA_PORT	BIT(9)
+
+/* Some controllers allows to set SDx actual clock */
+#define TMIO_MMC_CLK_ACTUAL		BIT(10)
+
+/* Some controllers have a CBSY bit */
+#define TMIO_MMC_HAVE_CBSY		BIT(11)
+
+struct tmio_mmc_data {
+	void				*chan_priv_tx;
+	void				*chan_priv_rx;
+	unsigned int			hclk;
+	unsigned long			capabilities;
+	unsigned long			capabilities2;
+	unsigned long			flags;
+	u32				ocr_mask;	/* available voltages */
+	dma_addr_t			dma_rx_offset;
+	unsigned int			max_blk_count;
+	unsigned short			max_segs;
+};
+#endif