ixp4xx-i2c-gpio
Migrate all ixp4xx devices to the bitbanging I2C bus driver utilizing
the arch-neutral GPIO API (linux/i2c-gpio.h).
Tested by the nslu2-linux and openwrt projects in public firmware releases.
Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk>
Acked-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 9bf8ccb..77277d2 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -18,6 +18,7 @@
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/leds.h>
+#include <linux/i2c-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -41,7 +42,7 @@
.resource = &nslu2_flash_resource,
};
-static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
+static struct i2c_gpio_platform_data nslu2_i2c_gpio_data = {
.sda_pin = NSLU2_SDA_PIN,
.scl_pin = NSLU2_SCL_PIN,
};
@@ -82,11 +83,12 @@
};
#endif
-static struct platform_device nslu2_i2c_controller = {
- .name = "IXP4XX-I2C",
+static struct platform_device nslu2_i2c_gpio = {
+ .name = "i2c-gpio",
.id = 0,
- .dev.platform_data = &nslu2_i2c_gpio_pins,
- .num_resources = 0,
+ .dev = {
+ .platform_data = &nslu2_i2c_gpio_data,
+ },
};
static struct platform_device nslu2_beeper = {
@@ -139,7 +141,7 @@
};
static struct platform_device *nslu2_devices[] __initdata = {
- &nslu2_i2c_controller,
+ &nslu2_i2c_gpio,
&nslu2_flash,
&nslu2_beeper,
#ifdef CONFIG_LEDS_IXP4XX