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ARM: mx3/mx35_3ds: Add USB OTG Host mode

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Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Fabio Estevam 2010-12-22 12:25:30 -02:00 committed by Sascha Hauer
parent 1fef891761
commit 130a0ddad9
1 changed files with 26 additions and 1 deletions
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27
arch/arm/mach-mx3/mach-mx35_3ds.c
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@ -26,6 +26,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/memory.h> #include <linux/memory.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/mtd/physmap.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, .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 */ /* USB HOST config */
static const struct mxc_usbh_platform_data usb_host_pdata __initconst = { static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
.portsc = MXC_EHCI_MODE_SERIAL, .portsc = MXC_EHCI_MODE_SERIAL,
@ -132,6 +138,21 @@ static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
MXC_EHCI_INTERNAL_PHY, 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. * Board specific initialization.
*/ */
@ -145,10 +166,14 @@ static void __init mxc_board_init(void)
imx35_add_imx_uart0(&uart_pdata); 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); 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_mxc_nand(&mx35pdk_nand_board_info);
imx35_add_sdhci_esdhc_imx(0, NULL); imx35_add_sdhci_esdhc_imx(0, NULL);