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mx6qsabrelite: add i2c support

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Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Troy Kisky 2012-04-24 17:33:26 +00:00 committed by Heiko Schocher
parent de6f604de2
commit 3174689be2
2 changed files with 19 additions and 0 deletions
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11
board/freescale/mx6qsabrelite/mx6qsabrelite.c
View File

@ -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();

8
include/configs/mx6qsabrelite.h
View File

@ -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