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 platform driver hotplug/coldplug
  i2c: New driver for the SuperH Mobile I2C bus controller
  i2c/scx200_acb: Don't use 0 as NULL pointer
  i2c-bfin-twi: Fix mismatch in add timer and delete timer
  i2c-bfin-twi: Just let i2c-bfin-twi driver depends on BLACKFIN
  i2c-bfin-twi: Use simpler comment headers and strip out information that is maintained in the scm's log
  i2c-bfin-twi: Cleanup driver descriptions, versions and some module useful information
  i2c-bfin-twi: Add missing pin mux operation
  i2c-bfin-twi: Add platform_resource interface to support multi-port TWI controllers
  i2c-bfin-twi: Add repeat start feature to avoid break of a bundle of i2c master xfer operation
  i2c: Remove trailing whitespaces in busses/Kconfig
  i2c: Replace remaining __FUNCTION__ occurrences
  i2c: Renesas SH7760 I2C master driver
  i2c-dev: Split i2cdev_ioctl
  i2c-ibm_iic: Support building as an of_platform driver
  i2c-ibm_iic: Change the log levels
  i2c: Add platform driver on top of the new pca-algorithm
  i2c-algo-pca: Extend for future drivers
  i2c-algo-pca: Remove trailing whitespaces and unnecessary UTF
  i2c: Remove the algorithm drivers from the config menu

34 files changed, 2313 insertions, 575 deletions

diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig
index 014dfa575be..7137a17402f 100644
--- a/drivers/i2c/algos/Kconfig
+++ b/drivers/i2c/algos/Kconfig
@@ -1,45 +1,16 @@
 #
-# Character device configuration
+# I2C algorithm drivers configuration
 #
 
-menu "I2C Algorithms"
-
 config I2C_ALGOBIT
-	tristate "I2C bit-banging interfaces"
-	help
-	  This allows you to use a range of I2C adapters called bit-banging
-	  adapters.  Say Y if you own an I2C adapter belonging to this class
-	  and then say Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-bit.
+	tristate
 
 config I2C_ALGOPCF
-	tristate "I2C PCF 8584 interfaces"
-	help
-	  This allows you to use a range of I2C adapters called PCF adapters.
-	  Say Y if you own an I2C adapter belonging to this class and then say
-	  Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-pcf.
+	tristate
 
 config I2C_ALGOPCA
-	tristate "I2C PCA 9564 interfaces"
-	help
-	  This allows you to use a range of I2C adapters called PCA adapters.
-	  Say Y if you own an I2C adapter belonging to this class and then say
-	  Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-pca.
+	tristate
 
 config I2C_ALGO_SGI
-	tristate "I2C SGI interfaces"
+	tristate
 	depends on SGI_IP22 || SGI_IP32 || X86_VISWS
-	help
-	  Supports the SGI interfaces like the ones found on SGI Indy VINO
-	  or SGI O2 MACE.
-
-endmenu
-
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 2a16211f12e..e954a20b97a 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -1,6 +1,7 @@
 /*
- *  i2c-algo-pca.c i2c driver algorithms for PCA9564 adapters                
+ *  i2c-algo-pca.c i2c driver algorithms for PCA9564 adapters
  *    Copyright (C) 2004 Arcom Control Systems
+ *    Copyright (C) 2008 Pengutronix
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -21,14 +22,10 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pca.h>
-#include "i2c-algo-pca.h"
-
-#define DRIVER "i2c-algo-pca"
 
 #define DEB1(fmt, args...) do { if (i2c_debug>=1) printk(fmt, ## args); } while(0)
 #define DEB2(fmt, args...) do { if (i2c_debug>=2) printk(fmt, ## args); } while(0)
@@ -36,15 +33,15 @@
 
 static int i2c_debug;
 
-#define pca_outw(adap, reg, val) adap->write_byte(adap, reg, val)
-#define pca_inw(adap, reg) adap->read_byte(adap, reg)
+#define pca_outw(adap, reg, val) adap->write_byte(adap->data, reg, val)
+#define pca_inw(adap, reg) adap->read_byte(adap->data, reg)
 
 #define pca_status(adap) pca_inw(adap, I2C_PCA_STA)
-#define pca_clock(adap) adap->get_clock(adap)
-#define pca_own(adap) adap->get_own(adap)
+#define pca_clock(adap) adap->i2c_clock
 #define pca_set_con(adap, val) pca_outw(adap, I2C_PCA_CON, val)
 #define pca_get_con(adap) pca_inw(adap, I2C_PCA_CON)
-#define pca_wait(adap) adap->wait_for_interrupt(adap)
+#define pca_wait(adap) adap->wait_for_completion(adap->data)
+#define pca_reset(adap) adap->reset_chip(adap->data)
 
 /*
  * Generate a start condition on the i2c bus.
@@ -99,7 +96,7 @@ static void pca_stop(struct i2c_algo_pca_data *adap)
  *
  * returns after the address has been sent
  */
-static void pca_address(struct i2c_algo_pca_data *adap, 
+static void pca_address(struct i2c_algo_pca_data *adap,
 			struct i2c_msg *msg)
 {
 	int sta = pca_get_con(adap);
@@ -108,9 +105,9 @@ static void pca_address(struct i2c_algo_pca_data *adap,
 	addr = ( (0x7f & msg->addr) << 1 );
 	if (msg->flags & I2C_M_RD )
 		addr |= 1;
-	DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n", 
+	DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n",
 	     msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr);
-	
+
 	pca_outw(adap, I2C_PCA_DAT, addr);
 
 	sta &= ~(I2C_PCA_CON_STO|I2C_PCA_CON_STA|I2C_PCA_CON_SI);
@@ -124,7 +121,7 @@ static void pca_address(struct i2c_algo_pca_data *adap,
  *
  * Returns after the byte has been transmitted
  */
-static void pca_tx_byte(struct i2c_algo_pca_data *adap, 
+static void pca_tx_byte(struct i2c_algo_pca_data *adap,
 			__u8 b)
 {
 	int sta = pca_get_con(adap);
@@ -142,19 +139,19 @@ static void pca_tx_byte(struct i2c_algo_pca_data *adap,
  *
  * returns immediately.
  */
-static void pca_rx_byte(struct i2c_algo_pca_data *adap, 
+static void pca_rx_byte(struct i2c_algo_pca_data *adap,
 			__u8 *b, int ack)
 {
 	*b = pca_inw(adap, I2C_PCA_DAT);
 	DEB2("=== READ %#04x %s\n", *b, ack ? "ACK" : "NACK");
 }
 
-/* 
+/*
  * Setup ACK or NACK for next received byte and wait for it to arrive.
  *
  * Returns after next byte has arrived.
  */
-static void pca_rx_ack(struct i2c_algo_pca_data *adap, 
+static void pca_rx_ack(struct i2c_algo_pca_data *adap,
 		       int ack)
 {
 	int sta = pca_get_con(adap);
@@ -168,15 +165,6 @@ static void pca_rx_ack(struct i2c_algo_pca_data *adap,
 	pca_wait(adap);
 }
 
-/* 
- * Reset the i2c bus / SIO 
- */
-static void pca_reset(struct i2c_algo_pca_data *adap)
-{
-	/* apparently only an external reset will do it. not a lot can be done */
-	printk(KERN_ERR DRIVER ": Haven't figured out how to do a reset yet\n");
-}
-
 static int pca_xfer(struct i2c_adapter *i2c_adap,
                     struct i2c_msg *msgs,
                     int num)
@@ -187,7 +175,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 	int numbytes = 0;
 	int state;
 	int ret;
-	int timeout = 100;
+	int timeout = i2c_adap->timeout;
 
 	while ((state = pca_status(adap)) != 0xf8 && timeout--) {
 		msleep(10);
@@ -203,14 +191,14 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 		for (curmsg = 0; curmsg < num; curmsg++) {
 			int addr, i;
 			msg = &msgs[curmsg];
-			
+
 			addr = (0x7f & msg->addr) ;
-		
+
 			if (msg->flags & I2C_M_RD )
-				printk(KERN_INFO "    [%02d] RD %d bytes from %#02x [%#02x, ...]\n", 
+				printk(KERN_INFO "    [%02d] RD %d bytes from %#02x [%#02x, ...]\n",
 				       curmsg, msg->len, addr, (addr<<1) | 1);
 			else {
-				printk(KERN_INFO "    [%02d] WR %d bytes to %#02x [%#02x%s", 
+				printk(KERN_INFO "    [%02d] WR %d bytes to %#02x [%#02x%s",
 				       curmsg, msg->len, addr, addr<<1,
 				       msg->len == 0 ? "" : ", ");
 				for(i=0; i < msg->len; i++)
@@ -237,7 +225,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 		case 0x10: /* A repeated start condition has been transmitted */
 			pca_address(adap, msg);
 			break;
-			
+
 		case 0x18: /* SLA+W has been transmitted; ACK has been received */
 		case 0x28: /* Data byte in I2CDAT has been transmitted; ACK has been received */
 			if (numbytes < msg->len) {
@@ -287,7 +275,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 		case 0x38: /* Arbitration lost during SLA+W, SLA+R or data bytes */
 			DEB2("Arbitration lost\n");
 			goto out;
-			
+
 		case 0x58: /* Data byte has been received; NOT ACK has been returned */
 			if ( numbytes == msg->len - 1 ) {
 				pca_rx_byte(adap, &msg->buf[numbytes], 0);
@@ -317,16 +305,16 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 			pca_reset(adap);
 			goto out;
 		default:
-			printk(KERN_ERR DRIVER ": unhandled SIO state 0x%02x\n", state);
+			dev_err(&i2c_adap->dev, "unhandled SIO state 0x%02x\n", state);
 			break;
 		}
-		
+
 	}
 
 	ret = curmsg;
  out:
 	DEB1(KERN_CRIT "}}} transfered %d/%d messages. "
-	     "status is %#04x. control is %#04x\n", 
+	     "status is %#04x. control is %#04x\n",
 	     curmsg, num, pca_status(adap),
 	     pca_get_con(adap));
 	return ret;
@@ -337,53 +325,65 @@ static u32 pca_func(struct i2c_adapter *adap)
         return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static int pca_init(struct i2c_algo_pca_data *adap)
+static const struct i2c_algorithm pca_algo = {
+	.master_xfer	= pca_xfer,
+	.functionality	= pca_func,
+};
+
+static int pca_init(struct i2c_adapter *adap)
 {
 	static int freqs[] = {330,288,217,146,88,59,44,36};
-	int own, clock;
+	int clock;
+	struct i2c_algo_pca_data *pca_data = adap->algo_data;
+
+	if (pca_data->i2c_clock > 7) {
+		printk(KERN_WARNING "%s: Invalid I2C clock speed selected. Trying default.\n",
+			adap->name);
+		pca_data->i2c_clock = I2C_PCA_CON_59kHz;
+	}
+
+	adap->algo = &pca_algo;
 
-	own = pca_own(adap);
-	clock = pca_clock(adap);
-	DEB1(KERN_INFO DRIVER ": own address is %#04x\n", own);
-	DEB1(KERN_INFO DRIVER ": clock freqeuncy is %dkHz\n", freqs[clock]);
+	pca_reset(pca_data);
 
-	pca_outw(adap, I2C_PCA_ADR, own << 1);
+	clock = pca_clock(pca_data);
+	DEB1(KERN_INFO "%s: Clock frequency is %dkHz\n", adap->name, freqs[clock]);
 
-	pca_set_con(adap, I2C_PCA_CON_ENSIO | clock);
-	udelay(500); /* 500 µs for oscilator to stabilise */
+	pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock);
+	udelay(500); /* 500 us for oscilator to stabilise */
 
 	return 0;
 }
 
-static const struct i2c_algorithm pca_algo = {
-	.master_xfer	= pca_xfer,
-	.functionality	= pca_func,
-};
-
-/* 
- * registering functions to load algorithms at runtime 
+/*
+ * registering functions to load algorithms at runtime
  */
 int i2c_pca_add_bus(struct i2c_adapter *adap)
 {
-	struct i2c_algo_pca_data *pca_adap = adap->algo_data;
 	int rval;
 
-	/* register new adapter to i2c module... */
-	adap->algo = &pca_algo;
+	rval = pca_init(adap);
+	if (rval)
+		return rval;
 
-	adap->timeout = 100;		/* default values, should	*/
-	adap->retries = 3;		/* be replaced by defines	*/
+	return i2c_add_adapter(adap);
+}
+EXPORT_SYMBOL(i2c_pca_add_bus);
 
-	if ((rval = pca_init(pca_adap)))
-		return rval;
+int i2c_pca_add_numbered_bus(struct i2c_adapter *adap)
+{
+	int rval;
 
-	rval = i2c_add_adapter(adap);
+	rval = pca_init(adap);
+	if (rval)
+		return rval;
 
-	return rval;
+	return i2c_add_numbered_adapter(adap);
 }
-EXPORT_SYMBOL(i2c_pca_add_bus);
+EXPORT_SYMBOL(i2c_pca_add_numbered_bus);
 
-MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>");
+MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>, "
+	"Wolfram Sang <w.sang@pengutronix.de>");
 MODULE_DESCRIPTION("I2C-Bus PCA9564 algorithm");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/i2c/algos/i2c-algo-pca.h b/drivers/i2c/algos/i2c-algo-pca.h
deleted file mode 100644
index 2fee07e0521..00000000000
--- a/drivers/i2c/algos/i2c-algo-pca.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef I2C_PCA9564_H
-#define I2C_PCA9564_H 1
-
-#define I2C_PCA_STA		0x00 /* STATUS  Read Only  */
-#define I2C_PCA_TO		0x00 /* TIMEOUT Write Only */
-#define I2C_PCA_DAT		0x01 /* DATA    Read/Write */
-#define I2C_PCA_ADR		0x02 /* OWN ADR Read/Write */
-#define I2C_PCA_CON		0x03 /* CONTROL Read/Write */
-
-#define I2C_PCA_CON_AA		0x80 /* Assert Acknowledge */
-#define I2C_PCA_CON_ENSIO	0x40 /* Enable */
-#define I2C_PCA_CON_STA		0x20 /* Start */
-#define I2C_PCA_CON_STO		0x10 /* Stop */
-#define I2C_PCA_CON_SI		0x08 /* Serial Interrupt */
-#define I2C_PCA_CON_CR		0x07 /* Clock Rate (MASK) */
-
-#define I2C_PCA_CON_330kHz	0x00
-#define I2C_PCA_CON_288kHz	0x01
-#define I2C_PCA_CON_217kHz	0x02
-#define I2C_PCA_CON_146kHz	0x03
-#define I2C_PCA_CON_88kHz	0x04
-#define I2C_PCA_CON_59kHz	0x05
-#define I2C_PCA_CON_44kHz	0x06
-#define I2C_PCA_CON_36kHz	0x07
-
-#endif /* I2C_PCA9564_H */
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index b04c99580d0..48438cc5d0c 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -100,9 +100,12 @@ config I2C_AU1550
 
 config I2C_BLACKFIN_TWI
 	tristate "Blackfin TWI I2C support"
-	depends on BF534 || BF536 || BF537
+	depends on BLACKFIN
 	help
-	  This is the TWI I2C device driver for Blackfin 534/536/537/54x.
+	  This is the TWI I2C device driver for Blackfin BF522, BF525,
+	  BF527, BF534, BF536, BF537 and BF54x. For other Blackfin processors,
+	  please don't use this driver.
+
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-bfin-twi.
 
@@ -135,7 +138,7 @@ config I2C_ELEKTOR
 	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
 	  such an adapter.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called i2c-elektor.
 
 config I2C_GPIO
@@ -190,7 +193,7 @@ config I2C_I810
 	select I2C_ALGOBIT
 	help
 	  If you say yes to this option, support will be included for the Intel
-	  810/815 family of mainboard I2C interfaces.  Specifically, the 
+	  810/815 family of mainboard I2C interfaces.  Specifically, the
 	  following versions of the chipset are supported:
 	    i810AA
 	    i810AB
@@ -246,10 +249,10 @@ config I2C_PIIX4
 
 config I2C_IBM_IIC
 	tristate "IBM PPC 4xx on-chip I2C interface"
-	depends on IBM_OCP
+	depends on 4xx
 	help
-	  Say Y here if you want to use IIC peripheral found on 
-	  embedded IBM PPC 4xx based systems. 
+	  Say Y here if you want to use IIC peripheral found on
+	  embedded IBM PPC 4xx based systems.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-ibm_iic.
@@ -269,7 +272,7 @@ config I2C_IXP2000
 	depends on ARCH_IXP2000
 	select I2C_ALGOBIT
 	help
-	  Say Y here if you have an Intel IXP2000 (2400, 2800, 2850) based 
+	  Say Y here if you have an Intel IXP2000 (2400, 2800, 2850) based
 	  system and are using GPIO lines for an I2C bus.
 
 	  This support is also available as a module. If so, the module
@@ -354,7 +357,7 @@ config I2C_PARPORT
 	  on the parport driver.  This is meant for embedded systems. Don't say
 	  Y here if you intend to say Y or M there.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called i2c-parport.
 
 config I2C_PARPORT_LIGHT
@@ -372,12 +375,12 @@ config I2C_PARPORT_LIGHT
 	  the clean but heavy parport handling is not an option.  The
 	  drawback is a reduced portability and the impossibility to
 	  daisy-chain other parallel port devices.
-	  
+
 	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
 	  both is possible but both modules should not be loaded at the same
 	  time.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called i2c-parport-light.
 
 config I2C_PASEMI
@@ -401,7 +404,7 @@ config I2C_PROSAVAGE
 
 	  This driver is deprecated in favor of the savagefb driver.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called i2c-prosavage.
 
 config I2C_S3C2410
@@ -417,7 +420,7 @@ config I2C_SAVAGE4
 	depends on PCI
 	select I2C_ALGOBIT
 	help
-	  If you say yes to this option, support will be included for the 
+	  If you say yes to this option, support will be included for the
 	  S3 Savage 4 I2C interface.
 
 	  This driver is deprecated in favor of the savagefb driver.
@@ -452,7 +455,7 @@ config SCx200_I2C
 
 	  If you don't know what to do here, say N.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called scx200_i2c.
 
 	  This driver is deprecated and will be dropped soon. Use i2c-gpio
@@ -483,14 +486,14 @@ config SCx200_ACB
 
 	  If you don't know what to do here, say N.
 
-	  This support is also available as a module.  If so, the module 
+	  This support is also available as a module.  If so, the module
 	  will be called scx200_acb.
 
 config I2C_SIS5595
 	tristate "SiS 5595"
 	depends on PCI
 	help
-	  If you say yes to this option, support will be included for the 
+	  If you say yes to this option, support will be included for the
 	  SiS5595 SMBus (a subset of I2C) interface.
 
 	  This driver can also be built as a module.  If so, the module
@@ -500,7 +503,7 @@ config I2C_SIS630
 	tristate "SiS 630/730"
 	depends on PCI
 	help
-	  If you say yes to this option, support will be included for the 
+	  If you say yes to this option, support will be included for the
 	  SiS630 and SiS730 SMBus (a subset of I2C) interface.
 
 	  This driver can also be built as a module.  If so, the module
@@ -632,9 +635,9 @@ config I2C_PCA_ISA
 	select I2C_ALGOPCA
 	default n
 	help
-	  This driver supports ISA boards using the Philips PCA 9564
-	  Parallel bus to I2C bus controller
-	  
+	  This driver supports ISA boards using the Philips PCA9564
+	  parallel bus to I2C bus controller.
+
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-pca-isa.
 
@@ -643,6 +646,17 @@ config I2C_PCA_ISA
 	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
 	  time).  If unsure, say N.
 
+config I2C_PCA_PLATFORM
+	tristate "PCA9564 as platform device"
+	select I2C_ALGOPCA
+	default n
+	help
+	  This driver supports a memory mapped Philips PCA9564
+	  parallel bus to I2C bus controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-pca-platform.
+
 config I2C_MV64XXX
 	tristate "Marvell mv64xxx I2C Controller"
 	depends on (MV64X60 || PLAT_ORION) && EXPERIMENTAL
@@ -672,4 +686,23 @@ config I2C_PMCMSP
 	  This driver can also be built as module. If so, the module
 	  will be called i2c-pmcmsp.
 
+config I2C_SH7760
+	tristate "Renesas SH7760 I2C Controller"
+	depends on CPU_SUBTYPE_SH7760
+	help
+	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-sh7760.
+
+config I2C_SH_MOBILE
+	tristate "SuperH Mobile I2C Controller"
+	depends on SUPERH
+	help
+	  If you say yes to this option, support will be included for the
+	  built-in I2C interface on the Renesas SH-Mobile processor.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-sh_mobile.
+
 endmenu
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index ea7068f1eb6..e8c882a5ea6 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_I2C_PARPORT)	+= i2c-parport.o
 obj-$(CONFIG_I2C_PARPORT_LIGHT)	+= i2c-parport-light.o
 obj-$(CONFIG_I2C_PASEMI)	+= i2c-pasemi.o
 obj-$(CONFIG_I2C_PCA_ISA)	+= i2c-pca-isa.o
+obj-$(CONFIG_I2C_PCA_PLATFORM)	+= i2c-pca-platform.o
 obj-$(CONFIG_I2C_PIIX4)		+= i2c-piix4.o
 obj-$(CONFIG_I2C_PMCMSP)	+= i2c-pmcmsp.o
 obj-$(CONFIG_I2C_PNX)		+= i2c-pnx.o
@@ -37,6 +38,8 @@ obj-$(CONFIG_I2C_PROSAVAGE)	+= i2c-prosavage.o
 obj-$(CONFIG_I2C_PXA)		+= i2c-pxa.o
 obj-$(CONFIG_I2C_S3C2410)	+= i2c-s3c2410.o
 obj-$(CONFIG_I2C_SAVAGE4)	+= i2c-savage4.o
+obj-$(CONFIG_I2C_SH7760)	+= i2c-sh7760.o
+obj-$(CONFIG_I2C_SH_MOBILE)	+= i2c-sh_mobile.o
 obj-$(CONFIG_I2C_SIBYTE)	+= i2c-sibyte.o
 obj-$(CONFIG_I2C_SIMTEC)	+= i2c-simtec.o
 obj-$(CONFIG_I2C_SIS5595)	+= i2c-sis5595.o
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index c09b036913b..73d61946a53 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -298,7 +298,7 @@ static int at91_i2c_resume(struct platform_device *pdev)
 #endif
 
 /* work with "modprobe at91_i2c" from hotplugging or coldplugging */
-MODULE_ALIAS("at91_i2c");
+MODULE_ALIAS("platform:at91_i2c");
 
 static struct platform_driver at91_i2c_driver = {
 	.probe		= at91_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c
index 1953b26da56..491718fe46b 100644
--- a/drivers/i2c/busses/i2c-au1550.c
+++ b/drivers/i2c/busses/i2c-au1550.c
@@ -472,6 +472,7 @@ i2c_au1550_exit(void)
 MODULE_AUTHOR("Dan Malek, Embedded Edge, LLC.");
 MODULE_DESCRIPTION("SMBus adapter Alchemy pb1550");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:au1xpsc_smbus");
 
 module_init (i2c_au1550_init);
 module_exit (i2c_au1550_exit);
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index 7dbdaeb707a..48d084bdf7c 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -1,25 +1,11 @@
 /*
- * drivers/i2c/busses/i2c-bfin-twi.c
+ * Blackfin On-Chip Two Wire Interface Driver
  *
- * Description: Driver for Blackfin Two Wire Interface
+ * Copyright 2005-2007 Analog Devices Inc.
  *
- * Author:      sonicz  <sonic.zhang@analog.com>
+ * Enter bugs at http://blackfin.uclinux.org/
  *
- * Copyright (c) 2005-2007 Analog Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Licensed under the GPL-2 or later.
  */
 
 #include <linux/module.h>
@@ -34,14 +20,16 @@
 #include <linux/platform_device.h>
 
 #include <asm/blackfin.h>
+#include <asm/portmux.h>
 #include <asm/irq.h>
 
 #define POLL_TIMEOUT       (2 * HZ)
 
 /* SMBus mode*/
-#define TWI_I2C_MODE_STANDARD		0x01
-#define TWI_I2C_MODE_STANDARDSUB	0x02
-#define TWI_I2C_MODE_COMBINED		0x04
+#define TWI_I2C_MODE_STANDARD		1
+#define TWI_I2C_MODE_STANDARDSUB	2
+#define TWI_I2C_MODE_COMBINED		3
+#define TWI_I2C_MODE_REPEAT		4
 
 struct bfin_twi_iface {
 	int			irq;
@@ -58,39 +46,74 @@ struct bfin_twi_iface {
 	struct timer_list	timeout_timer;
 	struct i2c_adapter	adap;
 	struct completion	complete;
+	struct i2c_msg 		*pmsg;
+	int			msg_num;
+	int			cur_msg;
+	void __iomem		*regs_base;
 };
 
-static struct bfin_twi_iface twi_iface;
+
+#define DEFINE_TWI_REG(reg, off) \
+static inline u16 read_##reg(struct bfin_twi_iface *iface) \
+	{ return bfin_read16(iface->regs_base + (off)); } \
+static inline void write_##reg(struct bfin_twi_iface *iface, u16 v) \
+	{ bfin_write16(iface->regs_base + (off), v); }
+
+DEFINE_TWI_REG(CLKDIV, 0x00)
+DEFINE_TWI_REG(CONTROL, 0x04)
+DEFINE_TWI_REG(SLAVE_CTL, 0x08)
+DEFINE_TWI_REG(SLAVE_STAT, 0x0C)
+DEFINE_TWI_REG(SLAVE_ADDR, 0x10)
+DEFINE_TWI_REG(MASTER_CTL, 0x14)
+DEFINE_TWI_REG(MASTER_STAT, 0x18)
+DEFINE_TWI_REG(MASTER_ADDR, 0x1C)
+DEFINE_TWI_REG(INT_STAT, 0x20)
+DEFINE_TWI_REG(INT_MASK, 0x24)
+DEFINE_TWI_REG(FIFO_CTL, 0x28)
+DEFINE_TWI_REG(FIFO_STAT, 0x2C)
+DEFINE_TWI_REG(XMT_DATA8, 0x80)
+DEFINE_TWI_REG(XMT_DATA16, 0x84)
+DEFINE_TWI_REG(RCV_DATA8, 0x88)
+DEFINE_TWI_REG(RCV_DATA16, 0x8C)
+
+static const u16 pin_req[2][3] = {
+	{P_TWI0_SCL, P_TWI0_SDA, 0},
+	{P_TWI1_SCL, P_TWI1_SDA, 0},
+};
 
 static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface)
 {
-	unsigned short twi_int_status = bfin_read_TWI_INT_STAT();
-	unsigned short mast_stat = bfin_read_TWI_MASTER_STAT();
+	unsigned short twi_int_status = read_INT_STAT(iface);
+	unsigned short mast_stat = read_MASTER_STAT(iface);
 
 	if (twi_int_status & XMTSERV) {
 		/* Transmit next data */
 		if (iface->writeNum > 0) {
-			bfin_write_TWI_XMT_DATA8(*(iface->transPtr++));
+			write_XMT_DATA8(iface, *(iface->transPtr++));
 			iface->writeNum--;
 		}
 		/* start receive immediately after complete sending in
 		 * combine mode.
 		 */
-		else if (iface->cur_mode == TWI_I2C_MODE_COMBINED) {
-			bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL()
-				| MDIR | RSTART);
-		} else if (iface->manual_stop)
-			bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL()
-				| STOP);
+		else if (iface->cur_mode == TWI_I2C_MODE_COMBINED)
+			write_MASTER_CTL(iface,
+				read_MASTER_CTL(iface) | MDIR | RSTART);
+		else if (iface->manual_stop)
+			write_MASTER_CTL(iface,
+				read_MASTER_CTL(iface) | STOP);
+		else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
+				iface->cur_msg+1 < iface->msg_num)
+			write_MASTER_CTL(iface,
+				read_MASTER_CTL(iface) | RSTART);
 		SSYNC();
 		/* Clear status */
-		bfin_write_TWI_INT_STAT(XMTSERV);
+		write_INT_STAT(iface, XMTSERV);
 		SSYNC();
 	}
 	if (twi_int_status & RCVSERV) {
 		if (iface->readNum > 0) {
 			/* Receive next data */
-			*(iface->transPtr) = bfin_read_TWI_RCV_DATA8();
+			*(iface->transPtr) = read_RCV_DATA8(iface);
 			if (iface->cur_mode == TWI_I2C_MODE_COMBINED) {
 				/* Change combine mode into sub mode after
 				 * read first data.
@@ -105,28 +128,33 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface)
 			iface->transPtr++;
 			iface->readNum--;
 		} else if (iface->manual_stop) {
-			bfin_write_TWI_MASTER_CTL(bfin_read_TWI_MASTER_CTL()
-				| STOP);
+			write_MASTER_CTL(iface,
+				read_MASTER_CTL(iface) | STOP);
+			SSYNC();
+		} else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
+				iface->cur_msg+1 < iface->msg_num) {
+			write_MASTER_CTL(iface,
+				read_MASTER_CTL(iface) | RSTART);
 			SSYNC();
 		}
 		/* Clear interrupt source */
-		bfin_write_TWI_INT_STAT(RCVSERV);
+		write_INT_STAT(iface, RCVSERV);
 		SSYNC();
 	}
 	if (twi_int_status & MERR) {
-		bfin_write_TWI_INT_STAT