ARM: atmel: sama5d4ek: enable software i2c

Enable software (bit-bang) I2C support on sama5d4ek board. Signed-off-by: Bo Shen <voice.shen@atmel.com>
linux4sam · Mar 24, 2015 · 7ff618b · 7ff618b
1 parent 06bc9ce
commit 7ff618b
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/include/configs/sama5d4ek.h b/include/configs/sama5d4ek.h
@@ -152,6 +152,14 @@
 #define CONFIG_ATMEL_LCD_RGB565
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 
+/* Software (bit-bang) I2C */
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT
+#define CONFIG_SYS_I2C_SOFT_SPEED	50000
+#define CONFIG_SOFT_I2C_GPIO_SCL	GPIO_PIN_PA(31)
+#define CONFIG_SOFT_I2C_GPIO_SDA	GPIO_PIN_PA(30)
+
 #ifdef CONFIG_SYS_USE_SERIALFLASH
 /* bootstrap + u-boot + env + linux in serial flash */
 #define CONFIG_ENV_IS_IN_SPI_FLASH