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| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2012-04-24 17:33:26 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2012-07-11 10:54:52 +0200 |
| commit | 3174689be239aae5901fbc5c484a15444bbe96ea (patch) | |
| tree | 2675a96c7e53473a063932c35a048c9bcb1ff2e5 | |
| parent | de6f604de245b19ce2e330bc63b6522af134d7ae (diff) | |
| download | blackbird-obmc-uboot-3174689be239aae5901fbc5c484a15444bbe96ea.tar.gz blackbird-obmc-uboot-3174689be239aae5901fbc5c484a15444bbe96ea.zip | |
mx6qsabrelite: add i2c support
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Stefano Babic <sbabic@denx.de>
| -rw-r--r-- | board/freescale/mx6qsabrelite/mx6qsabrelite.c | 11 | ||||
| -rw-r--r-- | include/configs/mx6qsabrelite.h | 8 |
2 files changed, 19 insertions, 0 deletions
diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c index 29cbfed120..0eae96d3a3 100644 --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c @@ -55,6 +55,11 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS) +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); @@ -72,6 +77,11 @@ iomux_v3_cfg_t uart2_pads[] = { MX6Q_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), }; +iomux_v3_cfg_t i2c3_pads[] = { + MX6Q_PAD_GPIO_5__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + MX6Q_PAD_GPIO_16__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), +}; + iomux_v3_cfg_t usdhc3_pads[] = { MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -336,6 +346,7 @@ int board_init(void) #ifdef CONFIG_MXC_SPI setup_spi(); #endif + imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads)); #ifdef CONFIG_CMD_SATA setup_sata(); diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h index fd25fafeab..fbd10d670f 100644 --- a/include/configs/mx6qsabrelite.h +++ b/include/configs/mx6qsabrelite.h @@ -58,6 +58,14 @@ #define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0) #endif +/* I2C Configs */ +#define CONFIG_CMD_I2C +#define CONFIG_HARD_I2C +#define CONFIG_I2C_MXC +#define CONFIG_SYS_I2C_BASE I2C3_BASE_ADDR +#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C_SLAVE 0xfe + /* MMC Configs */ #define CONFIG_FSL_ESDHC #define CONFIG_FSL_USDHC |
