diff options
| author | Valentin Longchamp <valentin.longchamp@epfl.ch> | 2009-11-23 19:16:37 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-24 08:37:50 +0100 |
| commit | d67d107586fa2c6fe4237292d58fb3787c75c6d1 (patch) | |
| tree | f17c543ce98d77e0f0fec8e56834886302e706ca /arch/arm/mach-mx3/mx31moboard.c | |
| parent | 33c4d91928bea4444b067e620496befbeb87029c (diff) | |
mx31moboard: support for usbh1 and usbh2
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index 2c9ea5f6181..1ec679a3c72 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -32,6 +32,9 @@ #include <linux/spi/spi.h> #include <linux/types.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> @@ -44,8 +47,10 @@ #include <mach/ipu.h> #include <mach/i2c.h> #include <mach/mmc.h> +#include <mach/mxc_ehci.h> #include <mach/mx3_camera.h> #include <mach/spi.h> +#include <mach/ulpi.h> #include "devices.h" @@ -79,6 +84,15 @@ static unsigned int moboard_pins[] = { MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, MX31_PIN_USB_OC__GPIO1_30, + /* USB H2 */ + MX31_PIN_USBH2_DATA0__USBH2_DATA0, + MX31_PIN_USBH2_DATA1__USBH2_DATA1, + MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, + MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, + MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, + MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, + MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, + MX31_PIN_SCK6__GPIO1_25, /* LEDs */ MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, @@ -332,6 +346,56 @@ static struct fsl_usb2_platform_data usb_pdata = { .phy_mode = FSL_USB2_PHY_ULPI, }; +#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) + +static int moboard_usbh2_hw_init(struct platform_device *pdev) +{ + int ret = gpio_request(USBH2_EN_B, "usbh2-en"); + if (ret) + return ret; + + mxc_iomux_set_gpr(MUX_PGP_UH2, true); + + mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); + + gpio_direction_output(USBH2_EN_B, 0); + + return 0; +} + +static int moboard_usbh2_hw_exit(struct platform_device *pdev) +{ + gpio_free(USBH2_EN_B); + return 0; +} + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = moboard_usbh2_hw_init, + .exit = moboard_usbh2_hw_exit, + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED, +}; + +static int __init moboard_usbh2_init(void) +{ + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + return mxc_register_device(&mx31_usbh2, &usbh2_pdata); +} + + static struct gpio_led mx31moboard_leds[] = { { .name = "coreboard-led-0:red:running", @@ -472,6 +536,7 @@ static void __init mxc_board_init(void) moboard_usbotg_init(); mxc_register_device(&mxc_otg_udc_device, &usb_pdata); + moboard_usbh2_init(); switch (mx31moboard_baseboard) { case MX31NOBOARD: |