[AVR32] Wire up i2c-gpio on the ATNGW100 board
Haavard Skinnemoen [Thu, 12 Jul 2007 14:36:34 +0000 (16:36 +0200)]
The NGW100 has a board controller which is hooked up to the TWI lines
on AP7000. Since the TWI driver isn't in mainline, use the i2c-gpio
driver in the mean time.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

arch/avr32/boards/atngw100/setup.c

index 2edcecd..ef80156 100644 (file)
@@ -9,6 +9,7 @@
  */
 #include <linux/clk.h>
 #include <linux/etherdevice.h>
+#include <linux/i2c-gpio.h>
 #include <linux/init.h>
 #include <linux/linkage.h>
 #include <linux/platform_device.h>
@@ -123,6 +124,19 @@ static struct platform_device ngw_gpio_leds = {
        }
 };
 
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+       .sda_pin        = GPIO_PIN_PA(6),
+       .scl_pin        = GPIO_PIN_PA(7),
+};
+
+static struct platform_device i2c_gpio_device = {
+       .name           = "i2c-gpio",
+       .id             = 0,
+       .dev            = {
+               .platform_data  = &i2c_gpio_data,
+       },
+};
+
 static int __init atngw100_init(void)
 {
        unsigned        i;
@@ -147,6 +161,10 @@ static int __init atngw100_init(void)
        }
        platform_device_register(&ngw_gpio_leds);
 
+       at32_select_gpio(i2c_gpio_data.sda_pin, 0);
+       at32_select_gpio(i2c_gpio_data.scl_pin, 0);
+       platform_device_register(&i2c_gpio_device);
+
        return 0;
 }
 postcore_initcall(atngw100_init);