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authorDong Aisheng <b29396@freescale.com>2011-07-20 07:41:43 +0400
committerSascha Hauer <s.hauer@pengutronix.de>2011-08-23 10:56:13 +0400
commit074c54f4226ff97e6ac0a6564d5999fa87adfa90 (patch)
tree2eb8572b5a3a44380456395d2703cd5c6dc1602e
parentc8ebcac823bb0246c42168c277069356432efd34 (diff)
downloadlinux-074c54f4226ff97e6ac0a6564d5999fa87adfa90.tar.xz
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>
-rw-r--r--arch/arm/mach-mxs/Kconfig1
-rw-r--r--arch/arm/mach-mxs/mach-mx28evk.c17
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");