xref: /openbmc/linux/drivers/mmc/host/renesas_sdhi.h (revision 4da722ca)
1 /*
2  * Renesas Mobile SDHI
3  *
4  * Copyright (C) 2017 Horms Solutions Ltd., Simon Horman
5  * Copyright (C) 2017 Renesas Electronics Corporation
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #ifndef RENESAS_SDHI_H
13 #define RENESAS_SDHI_H
14 
15 #include <linux/platform_device.h>
16 #include "tmio_mmc.h"
17 
18 struct renesas_sdhi_scc {
19 	unsigned long clk_rate;	/* clock rate for SDR104 */
20 	u32 tap;		/* sampling clock position for SDR104 */
21 };
22 
23 struct renesas_sdhi_of_data {
24 	unsigned long tmio_flags;
25 	u32	      tmio_ocr_mask;
26 	unsigned long capabilities;
27 	unsigned long capabilities2;
28 	enum dma_slave_buswidth dma_buswidth;
29 	dma_addr_t dma_rx_offset;
30 	unsigned int bus_shift;
31 	int scc_offset;
32 	struct renesas_sdhi_scc *taps;
33 	int taps_num;
34 };
35 
36 int renesas_sdhi_probe(struct platform_device *pdev,
37 		       const struct tmio_mmc_dma_ops *dma_ops);
38 int renesas_sdhi_remove(struct platform_device *pdev);
39 #endif
40