From 175a7d2778ad26a244f5c846a6385413c87d95a7 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 7 May 2012 05:42:34 +0000 Subject: [PATCH] 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 Acked-by: Marek Vasut --- board/freescale/mx28evk/iomux.c | 3 +++ include/configs/mx28evk.h | 8 ++++++++ 2 files changed, 11 insertions(+) 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 */ -- 2.39.5