[people/ms/u-boot.git] / drivers / spi / sh_spi.h

/*
 * SH SPI driver
 *
 * Copyright (C) 2011 Renesas Solutions Corp.
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

#ifndef __SH_SPI_H__
#define __SH_SPI_H__

#include <spi.h>

struct sh_spi_regs {
	unsigned long tbr_rbr;
	unsigned long resv1;
	unsigned long cr1;
	unsigned long resv2;
	unsigned long cr2;
	unsigned long resv3;
	unsigned long cr3;
	unsigned long resv4;
	unsigned long cr4;
};

/* CR1 */
#define SH_SPI_TBE	0x80
#define SH_SPI_TBF	0x40
#define SH_SPI_RBE	0x20
#define SH_SPI_RBF	0x10
#define SH_SPI_PFONRD	0x08
#define SH_SPI_SSDB	0x04
#define SH_SPI_SSD	0x02
#define SH_SPI_SSA	0x01

/* CR2 */
#define SH_SPI_RSTF	0x80
#define SH_SPI_LOOPBK	0x40
#define SH_SPI_CPOL	0x20
#define SH_SPI_CPHA	0x10
#define SH_SPI_L1M0	0x08

/* CR3 */
#define SH_SPI_MAX_BYTE	0xFF

/* CR4 */
#define SH_SPI_TBEI	0x80
#define SH_SPI_TBFI	0x40
#define SH_SPI_RBEI	0x20
#define SH_SPI_RBFI	0x10
#define SH_SPI_SSS1	0x08
#define SH_SPI_WPABRT	0x04
#define SH_SPI_SSS0	0x01

#define SH_SPI_FIFO_SIZE	32
#define SH_SPI_NUM_CS		4

struct sh_spi {
	struct spi_slave	slave;
	struct sh_spi_regs	*regs;
};

static inline struct sh_spi *to_sh_spi(struct spi_slave *slave)
{
	return container_of(slave, struct sh_spi, slave);
}

#endif
Commit	Line	Data
6639562e YS	1	/*
	2	* SH SPI driver
	3	*
	4	* Copyright (C) 2011 Renesas Solutions Corp.
	5	*
5b8031cc	6	* SPDX-License-Identifier: GPL-2.0
6639562e YS	7	*/
	8
	9	#ifndef __SH_SPI_H__
	10	#define __SH_SPI_H__
	11
	12	#include <spi.h>
	13
	14	struct sh_spi_regs {
	15	unsigned long tbr_rbr;
	16	unsigned long resv1;
	17	unsigned long cr1;
	18	unsigned long resv2;
	19	unsigned long cr2;
	20	unsigned long resv3;
	21	unsigned long cr3;
	22	unsigned long resv4;
	23	unsigned long cr4;
	24	};
	25
	26	/* CR1 */
	27	#define SH_SPI_TBE 0x80
	28	#define SH_SPI_TBF 0x40
	29	#define SH_SPI_RBE 0x20
	30	#define SH_SPI_RBF 0x10
	31	#define SH_SPI_PFONRD 0x08
	32	#define SH_SPI_SSDB 0x04
	33	#define SH_SPI_SSD 0x02
	34	#define SH_SPI_SSA 0x01
	35
	36	/* CR2 */
	37	#define SH_SPI_RSTF 0x80
	38	#define SH_SPI_LOOPBK 0x40
	39	#define SH_SPI_CPOL 0x20
	40	#define SH_SPI_CPHA 0x10
	41	#define SH_SPI_L1M0 0x08
	42
	43	/* CR3 */
	44	#define SH_SPI_MAX_BYTE 0xFF
	45
	46	/* CR4 */
	47	#define SH_SPI_TBEI 0x80
	48	#define SH_SPI_TBFI 0x40
	49	#define SH_SPI_RBEI 0x20
	50	#define SH_SPI_RBFI 0x10
c1d4ad94	51	#define SH_SPI_SSS1 0x08
6639562e	52	#define SH_SPI_WPABRT 0x04
c1d4ad94	53	#define SH_SPI_SSS0 0x01
6639562e YS	54
6639562e YS	55	#define SH_SPI_FIFO_SIZE 32
c1d4ad94	56	#define SH_SPI_NUM_CS 4
6639562e YS	57
	58	struct sh_spi {
	59	struct spi_slave slave;
	60	struct sh_spi_regs *regs;
	61	};
	62
	63	static inline struct sh_spi to_sh_spi(struct spi_slave slave)
	64	{
	65	return container_of(slave, struct sh_spi, slave);
	66	}
	67
	68	#endif