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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2012-05-07 05:42:34 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2012-07-11 10:54:53 +0200 |
| commit | 175a7d2778ad26a244f5c846a6385413c87d95a7 (patch) | |
| tree | f97a8fce42d2ad6986bf130761058fc95024bab6 | |
| parent | fa86d1c0bf3f4c68aa565952f1fcafbe2aa2c050 (diff) | |
| download | u-boot-imx-175a7d2778ad26a244f5c846a6385413c87d95a7.zip u-boot-imx-175a7d2778ad26a244f5c846a6385413c87d95a7.tar.gz u-boot-imx-175a7d2778ad26a244f5c846a6385413c87d95a7.tar.bz2 | |
mx28evk: Add I2C support
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>
Acked-by: Marek Vasut <marex@denx.de>
| -rw-r--r-- | board/freescale/mx28evk/iomux.c | 3 | ||||
| -rw-r--r-- | 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 00cc0cc..40d8cf6 100644 --- a/board/freescale/mx28evk/iomux.c +++ b/board/freescale/mx28evk/iomux.c @@ -159,6 +159,9 @@ 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, }; #define HW_DRAM_CTL29 (0x74 >> 2) diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h index 8f60496..54d21e6 100644 --- a/include/configs/mx28evk.h +++ b/include/configs/mx28evk.h @@ -68,6 +68,7 @@ #define CONFIG_CMD_SPI #define CONFIG_CMD_USB #define CONFIG_CMD_BOOTZ +#define CONFIG_CMD_I2C /* * Memory configurations @@ -188,6 +189,13 @@ #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 */ |