diff options
Diffstat (limited to 'drivers/usb/host/ehci-orion.c')
| -rw-r--r-- | drivers/usb/host/ehci-orion.c | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 9c2717d66730..914a3ecfb5d3 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -14,6 +14,9 @@ #include <linux/mbus.h> #include <linux/clk.h> #include <linux/platform_data/usb-ehci-orion.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> #define rdl(off) __raw_readl(hcd->regs + (off)) #define wrl(off, val) __raw_writel((val), hcd->regs + (off)) @@ -101,20 +104,6 @@ static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) wrl(USB_MODE, 0x13); } -static int ehci_orion_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; -} - static const struct hc_driver ehci_orion_hc_driver = { .description = hcd_name, .product_desc = "Marvell Orion EHCI", @@ -129,7 +118,7 @@ static const struct hc_driver ehci_orion_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_orion_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -160,7 +149,7 @@ static const struct hc_driver ehci_orion_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; -static void __devinit +static void ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, const struct mbus_dram_target_info *dram) { @@ -181,7 +170,9 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, } } -static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) +static u64 ehci_orion_dma_mask = DMA_BIT_MASK(32); + +static int ehci_orion_drv_probe(struct platform_device *pdev) { struct orion_ehci_data *pd = pdev->dev.platform_data; const struct mbus_dram_target_info *dram; @@ -191,13 +182,17 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) struct clk *clk; void __iomem *regs; int irq, err; + enum orion_ehci_phy_ver phy_version; if (usb_disabled()) return -ENODEV; pr_debug("Initializing Orion-SoC USB Host Controller\n"); - irq = platform_get_irq(pdev, 0); + if (pdev->dev.of_node) + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + else + irq = platform_get_irq(pdev, 0); if (irq <= 0) { dev_err(&pdev->dev, "Found HC with no IRQ. Check %s setup!\n", @@ -215,6 +210,14 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) goto err1; } + /* + * Right now device-tree probed devices don't get dma_mask + * set. Since shared usb code relies on it, set it here for + * now. Once we have dma capability bindings this can go away. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &ehci_orion_dma_mask; + if (!request_mem_region(res->start, resource_size(res), ehci_orion_hc_driver.description)) { dev_dbg(&pdev->dev, "controller already in use\n"); @@ -262,7 +265,12 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) /* * setup Orion USB controller. */ - switch (pd->phy_version) { + if (pdev->dev.of_node) + phy_version = EHCI_PHY_NA; + else + phy_version = pd->phy_version; + + switch (phy_version) { case EHCI_PHY_NA: /* dont change USB phy settings */ break; case EHCI_PHY_ORION: @@ -317,9 +325,19 @@ static int __exit ehci_orion_drv_remove(struct platform_device *pdev) MODULE_ALIAS("platform:orion-ehci"); +static const struct of_device_id ehci_orion_dt_ids[] = { + { .compatible = "marvell,orion-ehci", }, + {}, +}; +MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids); + static struct platform_driver ehci_orion_driver = { .probe = ehci_orion_drv_probe, .remove = __exit_p(ehci_orion_drv_remove), .shutdown = usb_hcd_platform_shutdown, - .driver.name = "orion-ehci", + .driver = { + .name = "orion-ehci", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ehci_orion_dt_ids), + }, }; |