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mx28evk: Add I2C support

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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>
This commit is contained in:
Fabio Estevam 2012-05-07 05:42:34 +00:00 committed by Heiko Schocher
parent fa86d1c0bf
commit 175a7d2778
2 changed files with 11 additions and 0 deletions
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3
board/freescale/mx28evk/iomux.c
View file

@ -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)

8
include/configs/mx28evk.h
View file

@ -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
*/