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@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 */