ARM: mx31_3ds: Add I2C support

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 8b4b097..340809a 100644 (file)
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -94,6 +94,7 @@ config MACH_MX31_3DS
        select MXC_DEBUG_BOARD
        select IMX_HAVE_PLATFORM_FSL_USB2_UDC
        select IMX_HAVE_PLATFORM_IMX2_WDT
+       select IMX_HAVE_PLATFORM_IMX_I2C
        select IMX_HAVE_PLATFORM_IMX_KEYPAD
        select IMX_HAVE_PLATFORM_IMX_UART
        select IMX_HAVE_PLATFORM_MXC_EHCI

diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index b7d0953..35fdb2a 100644 (file)
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -96,6 +96,9 @@ static int mx31_3ds_pins[] = {
        IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
        /* USB Host2 reset */
        IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
+       /* I2C1 */
+       MX31_PIN_I2C_CLK__I2C1_SCL,
+       MX31_PIN_I2C_DAT__I2C1_SDA,
 };
 
 /*
@@ -323,6 +326,10 @@ static const struct imxuart_platform_data uart_pdata __initconst = {
        .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
+       .bitrate = 100000,
+};
+
 static void __init mx31_3ds_init(void)
 {
        mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
@@ -356,6 +363,7 @@ static void __init mx31_3ds_init(void)
                printk(KERN_WARNING "Init of the debug board failed, all "
                                    "devices on the debug board are unusable.\n");
        imx31_add_imx2_wdt(NULL);
+       imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
 }
 
 static void __init mx31_3ds_timer_init(void)