Signed-off-by: Dong Aisheng b29396@freescale.com Cc: Sascha Hauer s.hauer@pengutronix.de Reviewed-by: Wolfram Sang w.sang@pengutronix.de --- arch/arm/mach-mxs/Kconfig | 1 + arch/arm/mach-mxs/mach-mx28evk.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 405c28d..2de2ea1 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -49,6 +49,7 @@ config MACH_MX28EVK select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB select MXS_HAVE_PLATFORM_MXS_SAIF + select MXS_HAVE_PLATFORM_MXS_I2C select MXS_OCOTP help Include support for MX28EVK platform. This includes specific diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index 1e5fda9..fe5ea41 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -18,6 +18,7 @@ #include <linux/leds.h> #include <linux/irq.h> #include <linux/clk.h> +#include <linux/i2c.h>
#include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -184,6 +185,12 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = { /* led */ MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
+ /* I2C */ + MX28_PAD_I2C0_SCL__I2C0_SCL | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_I2C0_SDA__I2C0_SDA | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + /* saif0 & saif1 */ MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), @@ -364,6 +371,12 @@ static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = { }, };
+static struct i2c_board_info mxs_i2c0_board_info[] __initdata = { + { + I2C_BOARD_INFO("sgtl5000", 0x0a), + }, +}; + static void __init mx28evk_init(void) { int ret; @@ -407,6 +420,10 @@ static void __init mx28evk_init(void) mx28_add_saif(0); mx28_add_saif(1);
+ mx28_add_mxs_i2c(0); + i2c_register_board_info(0, mxs_i2c0_board_info, + ARRAY_SIZE(mxs_i2c0_board_info)); + /* power on mmc slot by writing 0 to the gpio */ ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power");