diff options
author | Oleksandr Tymoshenko <gonzo@FreeBSD.org> | 2012-08-15 06:31:32 +0000 |
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committer | Oleksandr Tymoshenko <gonzo@FreeBSD.org> | 2012-08-15 06:31:32 +0000 |
commit | e53470fee3cf7ba343701650d5e75b8142046acf (patch) | |
tree | fcda3fb41be4ba1e10ed13e32009c67ce545b238 /sys/arm/ti/ti_i2c.h | |
parent | 9dfe4a1fa41fb208ae12650c188bb794fe7d76a8 (diff) |
Merging of projects/armv6, part 10
- Support for Texas Instruments SoCs:
- AM335x
- OMAP4
- Kernel configs, DTS for Beaglebone and Pandaboard
Submitted by: Ben Gray, Damjan Marion
Notes
Notes:
svn path=/head/; revision=239281
Diffstat (limited to 'sys/arm/ti/ti_i2c.h')
-rw-r--r-- | sys/arm/ti/ti_i2c.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sys/arm/ti/ti_i2c.h b/sys/arm/ti/ti_i2c.h new file mode 100644 index 000000000000..f569f875fc5e --- /dev/null +++ b/sys/arm/ti/ti_i2c.h @@ -0,0 +1,115 @@ +/*- + * Copyright (c) 2011 + * Ben Gray <ben.r.gray@gmail.com>. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _TI_I2C_H_ +#define _TI_I2C_H_ + +/** + * Header file for the OMAP I2C driver. + * + * Simply contains register bit flags. + */ + +/* + * OMAP4 I2C Registers, Summary 1 + */ +#define I2C_REG_IE 0x84 +#define I2C_IE_XDR (1UL << 14) /* Transmit draining interrupt */ +#define I2C_IE_RDR (1UL << 13) /* Receive draining interrupt */ +#define I2C_IE_AAS (1UL << 9) /* Addressed as Slave interrupt */ +#define I2C_IE_BF (1UL << 8) /* Bus Free interrupt */ +#define I2C_IE_AERR (1UL << 7) /* Access Error interrupt */ +#define I2C_IE_STC (1UL << 6) /* Start Condition interrupt */ +#define I2C_IE_GC (1UL << 5) /* General Call interrupt */ +#define I2C_IE_XRDY (1UL << 4) /* Transmit Data Ready interrupt */ +#define I2C_IE_RRDY (1UL << 3) /* Receive Data Ready interrupt */ +#define I2C_IE_ARDY (1UL << 2) /* Register Access Ready interrupt */ +#define I2C_IE_NACK (1UL << 1) /* No Acknowledgment interrupt */ +#define I2C_IE_AL (1UL << 0) /* Arbitration Lost interrupt */ +#define I2C_REG_STAT 0x88 +#define I2C_STAT_XDR (1UL << 14) +#define I2C_STAT_RDR (1UL << 13) +#define I2C_STAT_BB (1UL << 12) +#define I2C_STAT_ROVR (1UL << 11) +#define I2C_STAT_XUDF (1UL << 10) +#define I2C_STAT_AAS (1UL << 9) +#define I2C_STAT_BF (1UL << 8) +#define I2C_STAT_AERR (1UL << 7) +#define I2C_STAT_STC (1UL << 6) +#define I2C_STAT_GC (1UL << 5) +#define I2C_STAT_XRDY (1UL << 4) +#define I2C_STAT_RRDY (1UL << 3) +#define I2C_STAT_ARDY (1UL << 2) +#define I2C_STAT_NACK (1UL << 1) +#define I2C_STAT_AL (1UL << 0) +#define I2C_REG_SYSS 0x90 +#define I2C_REG_BUF 0x94 +#define I2C_REG_CNT 0x98 +#define I2C_REG_DATA 0x9c +#define I2C_REG_CON 0xa4 +#define I2C_CON_I2C_EN (1UL << 15) +#define I2C_CON_OPMODE_STD (0UL << 12) +#define I2C_CON_OPMODE_HS (1UL << 12) +#define I2C_CON_OPMODE_SCCB (2UL << 12) +#define I2C_CON_OPMODE_MASK (3UL << 13) +#define I2C_CON_I2C_STB (1UL << 11) +#define I2C_CON_MST (1UL << 10) +#define I2C_CON_TRX (1UL << 9) +#define I2C_CON_XSA (1UL << 8) +#define I2C_CON_XOA0 (1UL << 7) +#define I2C_CON_XOA1 (1UL << 6) +#define I2C_CON_XOA2 (1UL << 5) +#define I2C_CON_XOA3 (1UL << 4) +#define I2C_CON_STP (1UL << 1) +#define I2C_CON_STT (1UL << 0) +#define I2C_REG_OA0 0xa8 +#define I2C_REG_SA 0xac +#define I2C_REG_PSC 0xb0 +#define I2C_REG_SCLL 0xb4 +#define I2C_REG_SCLH 0xb8 +#define I2C_REG_SYSTEST 0xbc +#define I2C_REG_BUFSTAT 0xc0 +#define I2C_REG_OA1 0xc4 +#define I2C_REG_OA2 0xc8 +#define I2C_REG_OA3 0xcc +#define I2C_REG_ACTOA 0xd0 +#define I2C_REG_SBLOCK 0xd4 + +/* + * OMAP4 I2C Registers, Summary 2 + */ +#define I2C_REG_REVNB_LO 0x00 +#define I2C_REG_REVNB_HI 0x04 +#define I2C_REG_SYSC 0x10 +#define I2C_REG_IRQENABLE_SET 0x2C +#define I2C_REG_IRQENABLE_CLR 0x30 + + + +#endif /* _TI_I2C_H_ */ |