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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-12 12:57:55 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-12 12:57:55 -0500
commit659dba34807692a6ebd55e7859dff2c7cb1b005d (patch)
treecbc8454fa57af5d3e5d37a3dbbca2c7da92c6ef0 /include/asm-arm/arch-pnx4008/i2c.h
parent3640543df26fd38f31f0c6decc35c07be2a6307c (diff)
parentd7aef138f3c08c5bbab567bc9a84e43a88f50395 (diff)
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Fix OMAP clock prescaler to match the comment i2c: Refactor a kfree in i2c-dev i2c: Fix return value check in i2c-dev i2c: Enable PEC on more i2c-i801 devices i2c: Discard the i2c algo del_bus wrappers i2c: New ARM Versatile/Realview bus driver i2c: fix broken ds1337 initialization i2c: i2c-i801 documentation update i2c: Use the __ATTR macro where possible i2c: Whitespace cleanups i2c: Use put_user instead of copy_to_user where possible i2c: New Atmel AT91 bus driver i2c: Add support for nested i2c bus locking i2c: Cleanups to the i2c-nforce2 bus driver i2c: Add request/release_mem_region to i2c-ibm_iic bus driver i2c: New Philips PNX bus driver i2c: Delete the broken i2c-ite bus driver i2c: Update the list of driver IDs i2c: Fix documentation typos
Diffstat (limited to 'include/asm-arm/arch-pnx4008/i2c.h')
-rw-r--r--include/asm-arm/arch-pnx4008/i2c.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pnx4008/i2c.h b/include/asm-arm/arch-pnx4008/i2c.h
new file mode 100644
index 000000000000..92e8d65006f7
--- /dev/null
+++ b/include/asm-arm/arch-pnx4008/i2c.h
@@ -0,0 +1,67 @@
1/*
2 * PNX4008-specific tweaks for I2C IP3204 block
3 *
4 * Author: Vitaly Wool <vwool@ru.mvista.com>
5 *
6 * 2005 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#ifndef __ASM_ARCH_I2C_H__
13#define __ASM_ARCH_I2C_H__
14
15#include <linux/pm.h>
16#include <linux/platform_device.h>
17
18enum {
19 mstatus_tdi = 0x00000001,
20 mstatus_afi = 0x00000002,
21 mstatus_nai = 0x00000004,
22 mstatus_drmi = 0x00000008,
23 mstatus_active = 0x00000020,
24 mstatus_scl = 0x00000040,
25 mstatus_sda = 0x00000080,
26 mstatus_rff = 0x00000100,
27 mstatus_rfe = 0x00000200,
28 mstatus_tff = 0x00000400,
29 mstatus_tfe = 0x00000800,
30};
31
32enum {
33 mcntrl_tdie = 0x00000001,
34 mcntrl_afie = 0x00000002,
35 mcntrl_naie = 0x00000004,
36 mcntrl_drmie = 0x00000008,
37 mcntrl_daie = 0x00000020,
38 mcntrl_rffie = 0x00000040,
39 mcntrl_tffie = 0x00000080,
40 mcntrl_reset = 0x00000100,
41 mcntrl_cdbmode = 0x00000400,
42};
43
44enum {
45 rw_bit = 1 << 0,
46 start_bit = 1 << 8,
47 stop_bit = 1 << 9,
48};
49
50#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */
51#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */
52#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */
53#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */
54#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */
55#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */
56#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */
57#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */
58#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */
59#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */
60#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */
61#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */
62#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */
63
64#define HCLK_MHZ 13
65#define I2C_CHIP_NAME "PNX4008-I2C"
66
67#endif /* __ASM_ARCH_I2C_H___ */