ARM: mx3/mx31_3ds: Add support for USB Host2 port
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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1c50e67263
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@ -85,6 +85,21 @@ static int mx31_3ds_pins[] = {
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MX31_PIN_KEY_COL1_KEY_COL1,
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MX31_PIN_KEY_COL1_KEY_COL1,
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MX31_PIN_KEY_COL2_KEY_COL2,
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MX31_PIN_KEY_COL2_KEY_COL2,
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MX31_PIN_KEY_COL3_KEY_COL3,
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MX31_PIN_KEY_COL3_KEY_COL3,
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/* USB Host 2 */
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IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
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IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
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IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
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IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
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IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
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IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
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/* USB Host2 reset */
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IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
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};
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};
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/*
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/*
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@ -116,6 +131,13 @@ static struct regulator_init_data pwgtx_init = {
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},
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},
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};
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};
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static struct regulator_init_data gpo_init = {
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.constraints = {
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.boot_on = 1,
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.always_on = 1,
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}
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};
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static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
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static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
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{
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{
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.id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
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.id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
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@ -123,6 +145,13 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
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}, {
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}, {
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.id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */
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.id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */
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.init_data = &pwgtx_init,
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.init_data = &pwgtx_init,
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}, {
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.id = MC13783_REGU_GPO1, /* Turn on 1.8V */
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.init_data = &gpo_init,
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}, {
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.id = MC13783_REGU_GPO3, /* Turn on 3.3V */
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.init_data = &gpo_init,
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},
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},
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};
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};
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@ -176,6 +205,7 @@ mx31_3ds_nand_board_info __initconst = {
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PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
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PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
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#define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
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#define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
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#define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
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static int mx31_3ds_usbotg_init(void)
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static int mx31_3ds_usbotg_init(void)
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{
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{
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@ -215,11 +245,55 @@ usbotg_free_reset:
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return err;
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return err;
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}
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}
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static int mx31_3ds_host2_init(struct platform_device *pdev)
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{
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int err;
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mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
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err = gpio_request(USBH2_RST_B, "usbh2-reset");
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if (err) {
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pr_err("Failed to request the USB Host 2 reset gpio\n");
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return err;
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}
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err = gpio_direction_output(USBH2_RST_B, 0);
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if (err) {
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pr_err("Failed to drive the USB Host 2 reset gpio\n");
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goto usbotg_free_reset;
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}
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mdelay(1);
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gpio_set_value(USBH2_RST_B, 1);
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return 0;
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usbotg_free_reset:
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gpio_free(USBH2_RST_B);
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return err;
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}
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#if defined(CONFIG_USB_ULPI)
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#if defined(CONFIG_USB_ULPI)
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static struct mxc_usbh_platform_data otg_pdata __initdata = {
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static struct mxc_usbh_platform_data otg_pdata __initdata = {
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.portsc = MXC_EHCI_MODE_ULPI,
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.portsc = MXC_EHCI_MODE_ULPI,
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.flags = MXC_EHCI_POWER_PINS_ENABLED,
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.flags = MXC_EHCI_POWER_PINS_ENABLED,
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};
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};
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static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
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.init = mx31_3ds_host2_init,
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.portsc = MXC_EHCI_MODE_ULPI,
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.flags = MXC_EHCI_POWER_PINS_ENABLED,
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};
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#endif
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#endif
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static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
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static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
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@ -279,6 +353,9 @@ static void __init mxc_board_init(void)
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imx31_add_mxc_ehci_otg(&otg_pdata);
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imx31_add_mxc_ehci_otg(&otg_pdata);
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}
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}
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usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
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ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
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imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
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#endif
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#endif
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if (!otg_mode_host)
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if (!otg_mode_host)
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imx31_add_fsl_usb2_udc(&usbotg_pdata);
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imx31_add_fsl_usb2_udc(&usbotg_pdata);
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