[ARM PATCH] 2120/1: S3C2410 - include/asm-arm/arch-s3c2410/regs-iic.h

Patch from Ben Dooks

Include file include/asm-arm/arch-s3c2410/regs-iic.h,
for the I2C controller on the S3C2410 Samsung SoC.

Signed-off-by: Ben Dooks

include/asm-arm/arch-s3c2410/regs-iic.h

+/* linux/include/asm-arm/arch-s3c2410/regs-iic.h
+ *
+ * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
+ *		http://www.simtec.co.uk/products/SWLINUX/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C2410 I2C Controller
+ *
+ *  Changelog:
+ *	03-Oct-2004  BJD  Initial include for Linux
+*/
+
+#ifndef __ASM_ARCH_IIC_H
+#define __ASM_ARCH_IIC_H __FILE__
+
+/* see s3c2410x user guide, v1.1, section 9 (p447) for more info */
+
+#define S3C2410_IICREG(x) (x)
+
+#define S3C2410_IICCON    S3C2410_IICREG(0x00)
+#define S3C2410_IICSTAT   S3C2410_IICREG(0x04)
+#define S3C2410_IICADD    S3C2410_IICREG(0x08)
+#define S3C2410_IICDS     S3C2410_IICREG(0x0C)
+
+#define S3C2410_IICCON_ACKEN		(1<<7)
+#define S3C2410_IICCON_TXDIV_16		(0<<6)
+#define S3C2410_IICCON_TXDIV_512	(1<<6)
+#define S3C2410_IICCON_IRQEN		(1<<5)
+#define S3C2410_IICCON_IRQPEND		(1<<4)
+#define S3C2410_IICCON_SCALE(x)		((x)&15)
+#define S3C2410_IICCON_SCALEMASK	(0xf)
+
+#define S3C2410_IICSTAT_MASTER_RX	(2<<6)
+#define S3C2410_IICSTAT_MASTER_TX	(3<<6)
+#define S3C2410_IICSTAT_SLAVE_RX	(0<<6)
+#define S3C2410_IICSTAT_SLAVE_TX	(1<<6)
+#define S3C2410_IICSTAT_MODEMASK	(3<<6)
+
+#define S3C2410_IICSTAT_START		(1<<5)
+#define S3C2410_IICSTAT_BUSBUSY		(1<<5)
+#define S3C2410_IICSTAT_TXRXEN		(1<<4)
+#define S3C2410_IICSTAT_ARBITR		(1<<3)
+#define S3C2410_IICSTAT_ASSLAVE		(1<<2)
+#define S3C2410_IICSTAT_ADDR0		(1<<1)
+#define S3C2410_IICSTAT_LASTBIT		(1<<0)
+
+#endif /* __ASM_ARCH_IIC_H */