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authorOleksandr Tymoshenko <gonzo@FreeBSD.org>2012-08-15 06:31:32 +0000
committerOleksandr Tymoshenko <gonzo@FreeBSD.org>2012-08-15 06:31:32 +0000
commite53470fee3cf7ba343701650d5e75b8142046acf (patch)
treefcda3fb41be4ba1e10ed13e32009c67ce545b238 /sys/arm/ti/ti_i2c.h
parent9dfe4a1fa41fb208ae12650c188bb794fe7d76a8 (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')
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diff --git a/sys/arm/ti/ti_i2c.h b/sys/arm/ti/ti_i2c.h
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+/*-
+ * 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_ */