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| author | Andre Silva <andre.silva@freescale.com> | 2011-06-22 19:33:05 (GMT) |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-07-07 08:01:11 (GMT) |
| commit | 8dd7b817a1135940406a3271346a4a8e39e2b87c (patch) | |
| tree | f3e0095cfccf68a84e587e76bd35a54ecb9632f7 /arch/arm | |
| parent | b6a14477695e54da6621c6d3c72f019b8cddb89d (diff) | |
| download | linux-fsl-qoriq-8dd7b817a1135940406a3271346a4a8e39e2b87c.tar.xz | |
ARM:mach-mx5/mx53_ard: Add I2C2 and I2C3 support
Signed-off-by: Andre Silva <andre.silva@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mx5/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_ard.c | 21 |
2 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 5b16f39..6a47d4c 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -213,6 +213,7 @@ config MACH_MX53_ARD bool "Support MX53 ARD platforms" select SOC_IMX53 select IMX_HAVE_PLATFORM_IMX2_WDT + select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX help diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c index 7dd54b9..70ae25e 100644 --- a/arch/arm/mach-mx5/board-mx53_ard.c +++ b/arch/arm/mach-mx5/board-mx53_ard.c @@ -84,6 +84,12 @@ static iomux_v3_cfg_t mx53_ard_pads[] = { MX53_PAD_PATA_DATA11__ESDHC1_DAT7, MX53_PAD_GPIO_1__GPIO1_1, MX53_PAD_GPIO_9__GPIO1_9, + /* 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, }; static struct resource ard_smsc911x_resources[] = { @@ -120,6 +126,14 @@ static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = { .wp_gpio = ARD_SD1_WP, }; +static struct imxi2c_platform_data mx53_ard_i2c2_data = { + .bitrate = 50000, +}; + +static struct imxi2c_platform_data mx53_ard_i2c3_data = { + .bitrate = 400000, +}; + static void __init mx53_ard_io_init(void) { mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads, @@ -127,9 +141,12 @@ static void __init mx53_ard_io_init(void) gpio_request(ARD_ETHERNET_INT_B, "eth-int-b"); gpio_direction_input(ARD_ETHERNET_INT_B); + + gpio_request(ARD_I2CPORTEXP_B, "i2cptexp-rst"); + gpio_direction_output(ARD_I2CPORTEXP_B, 1); } - /* Config CS1 settings for ethernet controller */ +/* Config CS1 settings for ethernet controller */ static int weim_cs_config(void) { u32 reg; @@ -179,6 +196,8 @@ static void __init mx53_ard_board_init(void) imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data); imx53_add_imx2_wdt(0, NULL); + imx53_add_imx_i2c(1, &mx53_ard_i2c2_data); + imx53_add_imx_i2c(2, &mx53_ard_i2c3_data); } static void __init mx53_ard_timer_init(void) |