ARM: mxs: add sgtl5000 i2c device

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>

2 files changed, 18 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 405c28d24e15..2de2ea122d86 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 1e5fda94d96c..fe5ea4149e8b 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");