aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pnx4008/include/mach/i2c.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pnx4008/include/mach/i2c.h')
-rw-r--r--arch/arm/mach-pnx4008/include/mach/i2c.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-pnx4008/include/mach/i2c.h b/arch/arm/mach-pnx4008/include/mach/i2c.h
new file mode 100644
index 000000000000..259ac53abf40
--- /dev/null
+++ b/arch/arm/mach-pnx4008/include/mach/i2c.h
@@ -0,0 +1,64 @@
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
15enum {
16 mstatus_tdi = 0x00000001,
17 mstatus_afi = 0x00000002,
18 mstatus_nai = 0x00000004,
19 mstatus_drmi = 0x00000008,
20 mstatus_active = 0x00000020,
21 mstatus_scl = 0x00000040,
22 mstatus_sda = 0x00000080,
23 mstatus_rff = 0x00000100,
24 mstatus_rfe = 0x00000200,
25 mstatus_tff = 0x00000400,
26 mstatus_tfe = 0x00000800,
27};
28
29enum {
30 mcntrl_tdie = 0x00000001,
31 mcntrl_afie = 0x00000002,
32 mcntrl_naie = 0x00000004,
33 mcntrl_drmie = 0x00000008,
34 mcntrl_daie = 0x00000020,
35 mcntrl_rffie = 0x00000040,
36 mcntrl_tffie = 0x00000080,
37 mcntrl_reset = 0x00000100,
38 mcntrl_cdbmode = 0x00000400,
39};
40
41enum {
42 rw_bit = 1 << 0,
43 start_bit = 1 << 8,
44 stop_bit = 1 << 9,
45};
46
47#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */
48#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */
49#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */
50#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */
51#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */
52#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */
53#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */
54#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */
55#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */
56#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */
57#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */
58#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */
59#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */
60
61#define HCLK_MHZ 13
62#define I2C_CHIP_NAME "PNX4008-I2C"
63
64#endif /* __ASM_ARCH_I2C_H___ */