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Commit f00b771a authored by Dinh Nguyen's avatar Dinh Nguyen Committed by Sascha Hauer
Browse files

mx5: Register i2c on Freescale MX51 Babbage HW 



Add device registration and setup IOMUX pins in the mx51_babbage
board feil.

Signed-off-by: default avatarDinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 71c2e514

arch/arm/mach-mx5/board-mx51_babbage.c

+26 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 


#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/i2c.h>

#include <linux/gpio.h>

#include <linux/delay.h>

#include <linux/io.h>
@@ -21,6 +22,7 @@ 
#include <mach/hardware.h>

#include <mach/imx-uart.h>

#include <mach/iomux-mx51.h>

#include <mach/i2c.h>

#include <mach/mxc_ehci.h>



#include <asm/irq.h>
@@ -64,6 +66,18 @@ static struct pad_desc mx51babbage_pads[] = { 
	MX51_PAD_EIM_D27__UART3_RTS,

	MX51_PAD_EIM_D24__UART3_CTS,



	/* I2C1 */

	MX51_PAD_EIM_D16__I2C1_SDA,

	MX51_PAD_EIM_D19__I2C1_SCL,



	/* I2C2 */

	MX51_PAD_KEY_COL4__I2C2_SCL,

	MX51_PAD_KEY_COL5__I2C2_SDA,



	/* HSI2C */

	MX51_PAD_I2C1_CLK__HSI2C_CLK,

	MX51_PAD_I2C1_DAT__HSI2C_DAT,



	/* USB HOST1 */

	MX51_PAD_USBH1_CLK__USBH1_CLK,

	MX51_PAD_USBH1_DIR__USBH1_DIR,
@@ -99,6 +113,14 @@ static inline void mxc_init_imx_uart(void) 
}

#endif /* SERIAL_IMX */



static struct imxi2c_platform_data babbage_i2c_data = {

	.bitrate = 100000,

};



static struct imxi2c_platform_data babbage_hsi2c_data = {

	.bitrate = 400000,

};



static int gpio_usbh1_active(void)

{

	struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
@@ -230,6 +252,10 @@ static void __init mxc_board_init(void) 
	mxc_init_imx_uart();

	platform_add_devices(devices, ARRAY_SIZE(devices));



	mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data);

	mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data);

	mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);



	if (otg_mode_host)

		mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);

	else {