[U-Boot] [PATCH] mx28evk: Add I2C support

[Fabio Estevam]

Add I2C support.

Tested by placing a 24LC16 EEPROM into the U50 slot which comes empty from factory.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 board/freescale/mx28evk/iomux.c |    3 +++
 include/configs/mx28evk.h       |    8 ++++++++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c
index 396761b..4201097 100644
--- a/board/freescale/mx28evk/iomux.c
+++ b/board/freescale/mx28evk/iomux.c
@@ -138,6 +138,9 @@ const iomux_cfg_t iomux_setup[] = {
 	MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2,
 	MX28_PAD_SSP2_SS0__SSP2_D3 |
 		(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
+	/* I2C */
+	MX28_PAD_I2C0_SCL__I2C0_SCL,
+	MX28_PAD_I2C0_SDA__I2C0_SDA,
 };
 
 void board_init_ll(void)
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index b165285..26e24e2 100644
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -67,6 +67,7 @@
 #define CONFIG_CMD_SF
 #define CONFIG_CMD_SPI
 #define CONFIG_CMD_USB
+#define CONFIG_CMD_I2C
 
 /*
  * Memory configurations
@@ -179,6 +180,13 @@
 #define	CONFIG_USB_STORAGE
 #endif
 
+/* I2C */
+#ifdef CONFIG_CMD_I2C
+#define CONFIG_I2C_MXS
+#define CONFIG_HARD_I2C
+#define CONFIG_SYS_I2C_SPEED	400000
+#endif
+
 /*
  * SPI
  */
-- 
1.7.1