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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2010-12-22 12:25:30 -0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-03 10:17:11 +0100 |
| commit | 130a0ddad9e8f48250dd0e4a5f35aa8afa9d1c5f (patch) | |
| tree | 4a2bd952f67444bf1a56241556c49bde6a6fe899 /arch/arm/mach-mx3 | |
| parent | 1fef891761ddcbd7e57ec3961a0fb748003222ac (diff) | |
| download | kernel_samsung_crespo-130a0ddad9e8f48250dd0e4a5f35aa8afa9d1c5f.zip kernel_samsung_crespo-130a0ddad9e8f48250dd0e4a5f35aa8afa9d1c5f.tar.gz kernel_samsung_crespo-130a0ddad9e8f48250dd0e4a5f35aa8afa9d1c5f.tar.bz2 | |
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.c | 27 |
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 8bd8992..b1963f2 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); |