1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2004 Fetron GmbH
4  *
5  * S3C2410 SPI register definition
6  */
7 
8 #ifndef __ASM_ARCH_REGS_SPI_H
9 #define __ASM_ARCH_REGS_SPI_H
10 
11 #define S3C2410_SPI1		(0x20)
12 #define S3C2412_SPI1		(0x100)
13 
14 #define S3C2410_SPCON		(0x00)
15 
16 #define S3C2410_SPCON_SMOD_DMA	(2 << 5)	/* DMA mode */
17 #define S3C2410_SPCON_SMOD_INT	(1 << 5)	/* interrupt mode */
18 #define S3C2410_SPCON_SMOD_POLL	(0 << 5)	/* polling mode */
19 #define S3C2410_SPCON_ENSCK	(1 << 4)	/* Enable SCK */
20 #define S3C2410_SPCON_MSTR	(1 << 3)	/* Master:1, Slave:0 select */
21 #define S3C2410_SPCON_CPOL_HIGH	(1 << 2)	/* Clock polarity select */
22 #define S3C2410_SPCON_CPOL_LOW	(0 << 2)	/* Clock polarity select */
23 
24 #define S3C2410_SPCON_CPHA_FMTB	(1 << 1)	/* Clock Phase Select */
25 #define S3C2410_SPCON_CPHA_FMTA	(0 << 1)	/* Clock Phase Select */
26 
27 #define S3C2410_SPSTA		(0x04)
28 
29 #define S3C2410_SPSTA_DCOL	(1 << 2)	/* Data Collision Error */
30 #define S3C2410_SPSTA_MULD	(1 << 1)	/* Multi Master Error */
31 #define S3C2410_SPSTA_READY	(1 << 0)	/* Data Tx/Rx ready */
32 #define S3C2412_SPSTA_READY_ORG	(1 << 3)
33 
34 #define S3C2410_SPPIN		(0x08)
35 
36 #define S3C2410_SPPIN_ENMUL	(1 << 2)	/* Multi Master Error detect */
37 #define S3C2410_SPPIN_RESERVED	(1 << 1)
38 #define S3C2410_SPPIN_KEEP	(1 << 0)	/* Master Out keep */
39 
40 #define S3C2410_SPPRE		(0x0C)
41 #define S3C2410_SPTDAT		(0x10)
42 #define S3C2410_SPRDAT		(0x14)
43 
44 #endif /* __ASM_ARCH_REGS_SPI_H */
45