diff options
Diffstat (limited to 'include/asm-arm/plat-s3c/regs-iic.h')
-rw-r--r-- | include/asm-arm/plat-s3c/regs-iic.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-arm/plat-s3c/regs-iic.h b/include/asm-arm/plat-s3c/regs-iic.h new file mode 100644 index 000000000000..2ae29522f253 --- /dev/null +++ b/include/asm-arm/plat-s3c/regs-iic.h | |||
@@ -0,0 +1,56 @@ | |||
1 | /* linux/include/asm-arm/arch-s3c2410/regs-iic.h | ||
2 | * | ||
3 | * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> | ||
4 | * http://www.simtec.co.uk/products/SWLINUX/ | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | * | ||
10 | * S3C2410 I2C Controller | ||
11 | */ | ||
12 | |||
13 | #ifndef __ASM_ARCH_REGS_IIC_H | ||
14 | #define __ASM_ARCH_REGS_IIC_H __FILE__ | ||
15 | |||
16 | /* see s3c2410x user guide, v1.1, section 9 (p447) for more info */ | ||
17 | |||
18 | #define S3C2410_IICREG(x) (x) | ||
19 | |||
20 | #define S3C2410_IICCON S3C2410_IICREG(0x00) | ||
21 | #define S3C2410_IICSTAT S3C2410_IICREG(0x04) | ||
22 | #define S3C2410_IICADD S3C2410_IICREG(0x08) | ||
23 | #define S3C2410_IICDS S3C2410_IICREG(0x0C) | ||
24 | #define S3C2440_IICLC S3C2410_IICREG(0x10) | ||
25 | |||
26 | #define S3C2410_IICCON_ACKEN (1<<7) | ||
27 | #define S3C2410_IICCON_TXDIV_16 (0<<6) | ||
28 | #define S3C2410_IICCON_TXDIV_512 (1<<6) | ||
29 | #define S3C2410_IICCON_IRQEN (1<<5) | ||
30 | #define S3C2410_IICCON_IRQPEND (1<<4) | ||
31 | #define S3C2410_IICCON_SCALE(x) ((x)&15) | ||
32 | #define S3C2410_IICCON_SCALEMASK (0xf) | ||
33 | |||
34 | #define S3C2410_IICSTAT_MASTER_RX (2<<6) | ||
35 | #define S3C2410_IICSTAT_MASTER_TX (3<<6) | ||
36 | #define S3C2410_IICSTAT_SLAVE_RX (0<<6) | ||
37 | #define S3C2410_IICSTAT_SLAVE_TX (1<<6) | ||
38 | #define S3C2410_IICSTAT_MODEMASK (3<<6) | ||
39 | |||
40 | #define S3C2410_IICSTAT_START (1<<5) | ||
41 | #define S3C2410_IICSTAT_BUSBUSY (1<<5) | ||
42 | #define S3C2410_IICSTAT_TXRXEN (1<<4) | ||
43 | #define S3C2410_IICSTAT_ARBITR (1<<3) | ||
44 | #define S3C2410_IICSTAT_ASSLAVE (1<<2) | ||
45 | #define S3C2410_IICSTAT_ADDR0 (1<<1) | ||
46 | #define S3C2410_IICSTAT_LASTBIT (1<<0) | ||
47 | |||
48 | #define S3C2410_IICLC_SDA_DELAY0 (0 << 0) | ||
49 | #define S3C2410_IICLC_SDA_DELAY5 (1 << 0) | ||
50 | #define S3C2410_IICLC_SDA_DELAY10 (2 << 0) | ||
51 | #define S3C2410_IICLC_SDA_DELAY15 (3 << 0) | ||
52 | #define S3C2410_IICLC_SDA_DELAY_MASK (3 << 0) | ||
53 | |||
54 | #define S3C2410_IICLC_FILTER_ON (1<<2) | ||
55 | |||
56 | #endif /* __ASM_ARCH_REGS_IIC_H */ | ||