diff options
| -rw-r--r-- | arch/arm/mach-mx3/mach-mx31_3ds.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c index fd7b722dff6..4e516b49a90 100644 --- a/arch/arm/mach-mx3/mach-mx31_3ds.c +++ b/arch/arm/mach-mx3/mach-mx31_3ds.c @@ -85,6 +85,21 @@ static int mx31_3ds_pins[] = { MX31_PIN_KEY_COL1_KEY_COL1, MX31_PIN_KEY_COL2_KEY_COL2, MX31_PIN_KEY_COL3_KEY_COL3, + /* USB Host 2 */ + IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1), + IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1), + IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1), + IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1), + IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1), + IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1), + /* USB Host2 reset */ + IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO), }; /* @@ -116,6 +131,13 @@ static struct regulator_init_data pwgtx_init = { }, }; +static struct regulator_init_data gpo_init = { + .constraints = { + .boot_on = 1, + .always_on = 1, + } +}; + static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { { .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */ @@ -123,6 +145,13 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { }, { .id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */ .init_data = &pwgtx_init, + }, { + + .id = MC13783_REGU_GPO1, /* Turn on 1.8V */ + .init_data = &gpo_init, + }, { + .id = MC13783_REGU_GPO3, /* Turn on 3.3V */ + .init_data = &gpo_init, }, }; @@ -176,6 +205,7 @@ mx31_3ds_nand_board_info __initconst = { PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR) +#define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP) static int mx31_3ds_usbotg_init(void) { @@ -215,11 +245,55 @@ usbotg_free_reset: return err; } +static int mx31_3ds_host2_init(struct platform_device *pdev) +{ + int err; + + 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_PC_VS2, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG); + + err = gpio_request(USBH2_RST_B, "usbh2-reset"); + if (err) { + pr_err("Failed to request the USB Host 2 reset gpio\n"); + return err; + } + + err = gpio_direction_output(USBH2_RST_B, 0); + if (err) { + pr_err("Failed to drive the USB Host 2 reset gpio\n"); + goto usbotg_free_reset; + } + + mdelay(1); + gpio_set_value(USBH2_RST_B, 1); + return 0; + +usbotg_free_reset: + gpio_free(USBH2_RST_B); + return err; +} + #if defined(CONFIG_USB_ULPI) static struct mxc_usbh_platform_data otg_pdata __initdata = { .portsc = MXC_EHCI_MODE_ULPI, .flags = MXC_EHCI_POWER_PINS_ENABLED, }; + +static struct mxc_usbh_platform_data usbh2_pdata __initdata = { + .init = mx31_3ds_host2_init, + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_POWER_PINS_ENABLED, +}; #endif static const struct fsl_usb2_platform_data usbotg_pdata __initconst = { @@ -279,6 +353,9 @@ static void __init mxc_board_init(void) imx31_add_mxc_ehci_otg(&otg_pdata); } + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); + imx31_add_mxc_ehci_hs(2, &usbh2_pdata); #endif if (!otg_mode_host) imx31_add_fsl_usb2_udc(&usbotg_pdata); |