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authorFabio Estevam <fabio.estevam@freescale.com>2012-05-07 05:42:34 +0000
committerHeiko Schocher <hs@denx.de>2012-07-11 10:54:53 +0200
commit175a7d2778ad26a244f5c846a6385413c87d95a7 (patch)
treef97a8fce42d2ad6986bf130761058fc95024bab6
parentfa86d1c0bf3f4c68aa565952f1fcafbe2aa2c050 (diff)
downloadtalos-obmc-uboot-175a7d2778ad26a244f5c846a6385413c87d95a7.tar.gz
talos-obmc-uboot-175a7d2778ad26a244f5c846a6385413c87d95a7.zip
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.c3
-rw-r--r--include/configs/mx28evk.h8
2 files changed, 11 insertions, 0 deletions
diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c
index 00cc0cc2fa..40d8cf6097 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 8f60496d35..54d21e687a 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
*/
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