diff options
| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-04-11 16:04:29 +0800 |
|---|---|---|
| committer | Richard Zhao <richard.zhao@freescale.com> | 2011-04-19 15:03:17 +0800 |
| commit | 6165b76097ea1fa4e2dffc605bedd9c1d96891fa (patch) | |
| tree | b8ffa2afe099d8f5d933a29b62b18c13d2f595f0 /arch | |
| parent | 84f676540ae55518792fb37d3e3c42e7c8216df6 (diff) | |
ENGR00138130-3 MX53_ARD: add i2c and max11801 touch screen
add i2c and max11801 to MSL.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_ard.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c index 521bffddc4a..7ddd0d52443 100644 --- a/arch/arm/mach-mx5/board-mx53_ard.c +++ b/arch/arm/mach-mx5/board-mx53_ard.c @@ -38,6 +38,7 @@ #define ARD_SD1_WP IMX_GPIO_NR(1, 9) #define ARD_SD2_WP IMX_GPIO_NR(1, 2) +#define ARD_TS_INT IMX_GPIO_NR(7, 12) #define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31) static iomux_v3_cfg_t mx53_ard_pads[] = { @@ -110,6 +111,16 @@ static iomux_v3_cfg_t mx53_ard_pads[] = { MX53_PAD_EIM_OE__EMI_WEIM_OE, MX53_PAD_EIM_RW__EMI_WEIM_RW, MX53_PAD_EIM_CS1__EMI_WEIM_CS_1, + /* I2C2 */ + MX53_PAD_EIM_EB2__I2C2_SCL, + MX53_PAD_KEY_ROW3__I2C2_SDA, + + /* I2C3 */ + MX53_PAD_GPIO_3__I2C3_SCL, + MX53_PAD_GPIO_16__I2C3_SDA, + + /* TOUCH_INT_B */ + MX53_PAD_GPIO_17__GPIO7_12, }; /* Config CS1 settings for ethernet controller */ @@ -178,6 +189,24 @@ static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = { .wp_gpio = ARD_SD2_WP, }; +static struct imxi2c_platform_data mx53_ard_i2c1_data = { + .bitrate = 50000, +}; + +static struct imxi2c_platform_data mx53_ard_i2c2_data = { + .bitrate = 400000, +}; + +static struct i2c_board_info mxc_i2c1_board_info[] __initdata = { +}; + +static struct i2c_board_info mxc_i2c2_board_info[] __initdata = { + { + I2C_BOARD_INFO("max11801", 0x49), + .irq = gpio_to_irq(ARD_TS_INT), + }, +}; + static inline void mx53_ard_init_uart(void) { imx53_add_imx_uart(0, NULL); @@ -204,6 +233,13 @@ static void __init mx53_ard_board_init(void) weim_cs_config(); mx53_ard_io_init(); mxc_register_device(&ard_smsc_lan9220_device, &ard_smsc911x_config); + imx53_add_imx_i2c(1, &mx53_ard_i2c1_data); + imx53_add_imx_i2c(2, &mx53_ard_i2c2_data); + + i2c_register_board_info(1, mxc_i2c1_board_info, + ARRAY_SIZE(mxc_i2c1_board_info)); + i2c_register_board_info(2, mxc_i2c2_board_info, + ARRAY_SIZE(mxc_i2c2_board_info)); } static void __init mx53_ard_timer_init(void) |