diff options
| author | Ivan T. Ivanov <iivanov@mm-sol.com> | 2013-10-11 11:46:10 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-11 23:31:15 (GMT) |
| commit | 0fc924bd4eecc45f05cc8437c28a8f33f9c45d3b (patch) | |
| tree | cf123e89c06ad0b0ea534538153c50f6792a0222 /drivers/usb/host/ehci-msm.c | |
| parent | e4f0da055e4ff3e6ed2e2ad1f9c2334aeb845755 (diff) | |
| download | linux-0fc924bd4eecc45f05cc8437c28a8f33f9c45d3b.tar.xz | |
USB: ehci-msm: Add device tree support and binding information
Allows MSM EHCI controller to be specified via device tree.
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-msm.c')
| -rw-r--r-- | drivers/usb/host/ehci-msm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 1bc9355..f341651 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -108,10 +108,14 @@ static int ehci_msm_probe(struct platform_device *pdev) * powering up VBUS, mapping of registers address space and power * management. */ - phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); + if (pdev->dev.of_node) + phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); + else + phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); + if (IS_ERR(phy)) { dev_err(&pdev->dev, "unable to find transceiver\n"); - ret = -ENODEV; + ret = -EPROBE_DEFER; goto put_hcd; } @@ -187,12 +191,19 @@ static const struct dev_pm_ops ehci_msm_dev_pm_ops = { .resume = ehci_msm_pm_resume, }; +static struct of_device_id msm_ehci_dt_match[] = { + { .compatible = "qcom,ehci-host", }, + {} +}; +MODULE_DEVICE_TABLE(of, msm_ehci_dt_match); + static struct platform_driver ehci_msm_driver = { .probe = ehci_msm_probe, .remove = ehci_msm_remove, .driver = { .name = "msm_hsusb_host", .pm = &ehci_msm_dev_pm_ops, + .of_match_table = msm_ehci_dt_match, }, }; |