Davinci: ea20: added I2C support

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

board/davinci/ea20/ea20.c

@@ -65,6 +65,12 @@ static const struct pinmux_config spi1_pins[] = {
 	{ pinmux(5), 1, 5 }
 };
 
+/* I2C pin muxer settings */
+static const struct pinmux_config i2c_pins[] = {
+	{ pinmux(4), 2, 2 },
+	{ pinmux(4), 2, 3 }
+};
+
 /* UART0 pin muxer settings */
 static const struct pinmux_config uart_pins[] = {
 	{ pinmux(3), 2, 7 },
@@ -148,6 +154,7 @@ static const struct pinmux_resource pinmuxes[] = {
 	PINMUX_ITEM(spi1_pins),
 #endif
 	PINMUX_ITEM(uart_pins),
+	PINMUX_ITEM(i2c_pins),
 #ifdef CONFIG_NAND_DAVINCI
 	PINMUX_ITEM(nand_pins),
 #endif

include/configs/ea20.h

@@ -87,6 +87,13 @@
 #define CONFIG_ENV_SPI_MAX_HZ	CONFIG_SF_DEFAULT_SPEED
 
 /*
+ * I2C Configuration
+ */
+#define CONFIG_HARD_I2C
+#define CONFIG_DRIVER_DAVINCI_I2C
+#define CONFIG_SYS_I2C_SPEED		100000
+
+/*
  * Network & Ethernet Configuration
  */
 #ifdef CONFIG_DRIVER_TI_EMAC
@@ -158,6 +165,7 @@
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_SAVES
 #define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_I2C
 
 #ifndef CONFIG_DRIVER_TI_EMAC
 #undef CONFIG_CMD_NET