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@@ -0,0 +1,232 @@
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+Migrate all ixp4xx devices to the bitbanging I2C bus driver utilizing
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+the arch-neutral GPIO API (linux/i2c-gpio.h).
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+
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+Tested by the nslu2-linux and openwrt projects in public firmware releases.
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+
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+Acked-by: Rod Whitby <[email protected]>
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+Signed-off-by: Michael-Luke Jones <[email protected]>
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+
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+Index: linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/nslu2-setup.c
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+===================================================================
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+--- linux-2.6.24-rc6-armeb.orig/arch/arm/mach-ixp4xx/nslu2-setup.c 2008-01-05 18:10:05.000000000 +1030
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++++ linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/nslu2-setup.c 2008-01-05 18:10:10.000000000 +1030
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+@@ -18,6 +18,7 @@
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+ #include <linux/serial.h>
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+ #include <linux/serial_8250.h>
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+ #include <linux/leds.h>
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++#include <linux/i2c-gpio.h>
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+
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+ #include <asm/mach-types.h>
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+ #include <asm/mach/arch.h>
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+@@ -41,7 +42,7 @@
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+ .resource = &nslu2_flash_resource,
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+ };
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+
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+-static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
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++static struct i2c_gpio_platform_data nslu2_i2c_gpio_data = {
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+ .sda_pin = NSLU2_SDA_PIN,
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+ .scl_pin = NSLU2_SCL_PIN,
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+ };
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+@@ -82,11 +83,12 @@
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+ };
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+ #endif
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+
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+-static struct platform_device nslu2_i2c_controller = {
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+- .name = "IXP4XX-I2C",
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++static struct platform_device nslu2_i2c_gpio = {
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++ .name = "i2c-gpio",
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+ .id = 0,
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+- .dev.platform_data = &nslu2_i2c_gpio_pins,
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+- .num_resources = 0,
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++ .dev = {
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++ .platform_data = &nslu2_i2c_gpio_data,
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++ },
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+ };
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+
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+ static struct platform_device nslu2_beeper = {
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+@@ -139,7 +141,7 @@
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+ };
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+
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+ static struct platform_device *nslu2_devices[] __initdata = {
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+- &nslu2_i2c_controller,
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++ &nslu2_i2c_gpio,
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+ &nslu2_flash,
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+ &nslu2_beeper,
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+ #ifdef CONFIG_LEDS_IXP4XX
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+Index: linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c
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+===================================================================
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+--- linux-2.6.24-rc6-armeb.orig/arch/arm/mach-ixp4xx/nas100d-setup.c 2008-01-05 18:10:05.000000000 +1030
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++++ linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c 2008-01-05 18:10:10.000000000 +1030
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+@@ -16,6 +16,7 @@
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+ #include <linux/serial.h>
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+ #include <linux/serial_8250.h>
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+ #include <linux/leds.h>
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++#include <linux/i2c-gpio.h>
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+
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+ #include <asm/mach-types.h>
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+ #include <asm/mach/arch.h>
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+@@ -68,16 +69,17 @@
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+ };
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+ #endif
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+
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+-static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = {
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++static struct i2c_gpio_platform_data nas100d_i2c_gpio_data = {
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+ .sda_pin = NAS100D_SDA_PIN,
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+ .scl_pin = NAS100D_SCL_PIN,
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+ };
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+
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+-static struct platform_device nas100d_i2c_controller = {
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+- .name = "IXP4XX-I2C",
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++static struct platform_device nas100d_i2c_gpio = {
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++ .name = "i2c-gpio",
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+ .id = 0,
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+- .dev.platform_data = &nas100d_i2c_gpio_pins,
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+- .num_resources = 0,
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++ .dev = {
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++ .platform_data = &nas100d_i2c_gpio_data,
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++ },
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+ };
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+
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+ static struct resource nas100d_uart_resources[] = {
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+@@ -124,7 +126,7 @@
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+ };
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+
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+ static struct platform_device *nas100d_devices[] __initdata = {
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+- &nas100d_i2c_controller,
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++ &nas100d_i2c_gpio,
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+ &nas100d_flash,
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+ #ifdef CONFIG_LEDS_IXP4XX
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+ &nas100d_leds,
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+Index: linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/avila-setup.c
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+===================================================================
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+--- linux-2.6.24-rc6-armeb.orig/arch/arm/mach-ixp4xx/avila-setup.c 2008-01-05 18:10:05.000000000 +1030
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++++ linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/avila-setup.c 2008-01-05 18:10:10.000000000 +1030
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+@@ -18,6 +18,7 @@
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+ #include <linux/tty.h>
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+ #include <linux/serial_8250.h>
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+ #include <linux/slab.h>
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++#include <linux/i2c-gpio.h>
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+
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+ #include <asm/types.h>
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+ #include <asm/setup.h>
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+@@ -47,18 +48,17 @@
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+ .resource = &avila_flash_resource,
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+ };
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+
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+-static struct ixp4xx_i2c_pins avila_i2c_gpio_pins = {
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++static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
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+ .sda_pin = AVILA_SDA_PIN,
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+ .scl_pin = AVILA_SCL_PIN,
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+ };
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+
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+-static struct platform_device avila_i2c_controller = {
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+- .name = "IXP4XX-I2C",
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++static struct platform_device avila_i2c_gpio = {
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++ .name = "i2c-gpio",
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+ .id = 0,
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+- .dev = {
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+- .platform_data = &avila_i2c_gpio_pins,
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++ .dev = {
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++ .platform_data = &avila_i2c_gpio_data,
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+ },
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+- .num_resources = 0
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+ };
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+
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+ static struct resource avila_uart_resources[] = {
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+@@ -133,7 +133,7 @@
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+ };
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+
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+ static struct platform_device *avila_devices[] __initdata = {
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+- &avila_i2c_controller,
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++ &avila_i2c_gpio,
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+ &avila_flash,
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+ &avila_uart
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+ };
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+Index: linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/dsmg600-setup.c
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+===================================================================
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+--- linux-2.6.24-rc6-armeb.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c 2008-01-05 18:10:05.000000000 +1030
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++++ linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/dsmg600-setup.c 2008-01-05 18:10:10.000000000 +1030
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+@@ -14,6 +14,7 @@
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+ #include <linux/kernel.h>
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+ #include <linux/serial.h>
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+ #include <linux/serial_8250.h>
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++#include <linux/i2c-gpio.h>
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+
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+ #include <asm/mach-types.h>
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+ #include <asm/mach/arch.h>
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+@@ -37,15 +38,17 @@
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+ .resource = &dsmg600_flash_resource,
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+ };
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+
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+-static struct ixp4xx_i2c_pins dsmg600_i2c_gpio_pins = {
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++static struct i2c_gpio_platform_data dsmg600_i2c_gpio_data = {
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+ .sda_pin = DSMG600_SDA_PIN,
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+ .scl_pin = DSMG600_SCL_PIN,
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+ };
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+
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+-static struct platform_device dsmg600_i2c_controller = {
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+- .name = "IXP4XX-I2C",
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++static struct platform_device dsmg600_i2c_gpio = {
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++ .name = "i2c-gpio",
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+ .id = 0,
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+- .dev.platform_data = &dsmg600_i2c_gpio_pins,
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++ .dev = {
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++ .platform_data = &dsmg600_i2c_gpio_data,
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++ },
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+ };
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+
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+ #ifdef CONFIG_LEDS_CLASS
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+@@ -116,7 +119,7 @@
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+ };
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+
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+ static struct platform_device *dsmg600_devices[] __initdata = {
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+- &dsmg600_i2c_controller,
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++ &dsmg600_i2c_gpio,
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+ &dsmg600_flash,
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+ };
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+
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+Index: linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/ixdp425-setup.c
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+===================================================================
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+--- linux-2.6.24-rc6-armeb.orig/arch/arm/mach-ixp4xx/ixdp425-setup.c 2008-01-05 18:10:05.000000000 +1030
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++++ linux-2.6.24-rc6-armeb/arch/arm/mach-ixp4xx/ixdp425-setup.c 2008-01-05 18:10:10.000000000 +1030
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+@@ -15,6 +15,7 @@
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+ #include <linux/tty.h>
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+ #include <linux/serial_8250.h>
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+ #include <linux/slab.h>
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++#include <linux/i2c-gpio.h>
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+ #include <linux/io.h>
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+ #include <linux/mtd/mtd.h>
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+ #include <linux/mtd/nand.h>
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+@@ -120,18 +121,17 @@
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+ };
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+ #endif /* CONFIG_MTD_NAND_PLATFORM */
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+
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+-static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
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++static struct i2c_gpio_platform_data ixdp425_i2c_gpio_data = {
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+ .sda_pin = IXDP425_SDA_PIN,
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+ .scl_pin = IXDP425_SCL_PIN,
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+ };
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+
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+-static struct platform_device ixdp425_i2c_controller = {
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+- .name = "IXP4XX-I2C",
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++static struct platform_device ixdp425_i2c_gpio = {
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++ .name = "i2c-gpio",
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+ .id = 0,
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+- .dev = {
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+- .platform_data = &ixdp425_i2c_gpio_pins,
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++ .dev = {
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++ .platform_data = &ixdp425_i2c_gpio_data,
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+ },
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+- .num_resources = 0
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+ };
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+
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+ static struct resource ixdp425_uart_resources[] = {
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+@@ -178,7 +178,7 @@
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+ };
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+
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+ static struct platform_device *ixdp425_devices[] __initdata = {
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+- &ixdp425_i2c_controller,
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++ &ixdp425_i2c_gpio,
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+ &ixdp425_flash,
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+ #if defined(CONFIG_MTD_NAND_PLATFORM) || \
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+ defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
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