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Commit 130a0dda authored by Fabio Estevam's avatar Fabio Estevam Committed by Sascha Hauer
Browse files

ARM: mx3/mx35_3ds: Add USB OTG Host mode 



Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 1fef8917

arch/arm/mach-mx3/mach-mx35_3ds.c

+26 −1
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/platform_device.h>

#include <linux/memory.h>

#include <linux/gpio.h>

#include <linux/usb/otg.h>



#include <linux/mtd/physmap.h>
@@ -125,6 +126,11 @@ static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = { 
	.phy_mode	= FSL_USB2_PHY_UTMI_WIDE,

};



static struct mxc_usbh_platform_data otg_pdata __initdata = {

	.portsc	= MXC_EHCI_MODE_UTMI,

	.flags	= MXC_EHCI_INTERNAL_PHY,

};



/* USB HOST config */

static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {

	.portsc		= MXC_EHCI_MODE_SERIAL,
@@ -132,6 +138,21 @@ static const struct mxc_usbh_platform_data usb_host_pdata __initconst = { 
			  MXC_EHCI_INTERNAL_PHY,

};



static int otg_mode_host;



static int __init mx35_3ds_otg_mode(char *options)

{

	if (!strcmp(options, "host"))

		otg_mode_host = 1;

	else if (!strcmp(options, "device"))

		otg_mode_host = 0;

	else

		pr_info("otg_mode neither \"host\" nor \"device\". "

			"Defaulting to device\n");

	return 0;

}

__setup("otg_mode=", mx35_3ds_otg_mode);



/*

 * Board specific initialization.

 */
@@ -145,10 +166,14 @@ static void __init mxc_board_init(void) 


	imx35_add_imx_uart0(&uart_pdata);



	imx35_add_fsl_usb2_udc(&usb_otg_pdata);

	if (otg_mode_host)

		imx35_add_mxc_ehci_otg(&otg_pdata);



	imx35_add_mxc_ehci_hs(&usb_host_pdata);



	if (!otg_mode_host)

		imx35_add_fsl_usb2_udc(&usb_otg_pdata);



	imx35_add_mxc_nand(&mx35pdk_nand_board_info);

	imx35_add_sdhci_esdhc_imx(0, NULL);