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author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-12 09:57:55 -0800 |
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committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-12 09:57:55 -0800 |
commit | 659dba34807692a6ebd55e7859dff2c7cb1b005d (patch) | |
tree | cbc8454fa57af5d3e5d37a3dbbca2c7da92c6ef0 /include/asm-arm | |
parent | 3640543df26fd38f31f0c6decc35c07be2a6307c (diff) | |
parent | d7aef138f3c08c5bbab567bc9a84e43a88f50395 (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')
-rw-r--r-- | include/asm-arm/arch-pnx4008/i2c.h | 67 |
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 @@ +/* + * PNX4008-specific tweaks for I2C IP3204 block + * + * Author: Vitaly Wool <vwool@ru.mvista.com> + * + * 2005 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#ifndef __ASM_ARCH_I2C_H__ +#define __ASM_ARCH_I2C_H__ + +#include <linux/pm.h> +#include <linux/platform_device.h> + +enum { + mstatus_tdi = 0x00000001, + mstatus_afi = 0x00000002, + mstatus_nai = 0x00000004, + mstatus_drmi = 0x00000008, + mstatus_active = 0x00000020, + mstatus_scl = 0x00000040, + mstatus_sda = 0x00000080, + mstatus_rff = 0x00000100, + mstatus_rfe = 0x00000200, + mstatus_tff = 0x00000400, + mstatus_tfe = 0x00000800, +}; + +enum { + mcntrl_tdie = 0x00000001, + mcntrl_afie = 0x00000002, + mcntrl_naie = 0x00000004, + mcntrl_drmie = 0x00000008, + mcntrl_daie = 0x00000020, + mcntrl_rffie = 0x00000040, + mcntrl_tffie = 0x00000080, + mcntrl_reset = 0x00000100, + mcntrl_cdbmode = 0x00000400, +}; + +enum { + rw_bit = 1 << 0, + start_bit = 1 << 8, + stop_bit = 1 << 9, +}; + +#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */ +#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */ +#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */ +#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */ +#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */ +#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */ +#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */ +#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */ +#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */ +#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */ +#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */ +#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */ +#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */ + +#define HCLK_MHZ 13 +#define I2C_CHIP_NAME "PNX4008-I2C" + +#endif /* __ASM_ARCH_I2C_H___ */ |