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authorFabio Estevam <fabio.estevam@freescale.com>2010-12-22 12:25:30 -0200
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-03 10:17:11 +0100
commit130a0ddad9e8f48250dd0e4a5f35aa8afa9d1c5f (patch)
tree4a2bd952f67444bf1a56241556c49bde6a6fe899 /arch/arm/mach-mx3
parent1fef891761ddcbd7e57ec3961a0fb748003222ac (diff)
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ARM: mx3/mx35_3ds: Add USB OTG Host mode
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/mach-mx35_3ds.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mach-mx35_3ds.c b/arch/arm/mach-mx3/mach-mx35_3ds.c
index 8bd8992ffaa5..b1963f257c20 100644
--- a/arch/arm/mach-mx3/mach-mx35_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx35_3ds.c
@@ -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);