[RFC] usb: ehci-hcd: add OF bindings
Peter Mamonov
pmamonov at gmail.com
Thu Aug 27 09:48:31 PDT 2015
Signed-off-by: Peter Mamonov <pmamonov at gmail.com>
---
drivers/usb/host/ehci-hcd.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 1146b71..ef555eb 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -940,12 +940,16 @@ static int ehci_probe(struct device_d *dev)
{
struct ehci_data data = {};
struct ehci_platform_data *pdata = dev->platform_data;
+ struct device_node *dn = dev->device_node;
+ uint32_t flags;
/* default to EHCI_HAS_TT to not change behaviour of boards
* without platform_data
*/
if (pdata)
data.flags = pdata->flags;
+ else if (dn && of_property_read_u32(dn, "flags", &flags) == 0)
+ data.flags = flags;
else
data.flags = EHCI_HAS_TT;
@@ -967,9 +971,18 @@ static void ehci_remove(struct device_d *dev)
ehci_halt(ehci);
}
+static __maybe_unused struct of_device_id ehci_platform_dt_ids[] = {
+ {
+ .compatible = "generic-ehci",
+ }, {
+ /* sentinel */
+ }
+};
+
static struct driver_d ehci_driver = {
.name = "ehci",
.probe = ehci_probe,
.remove = ehci_remove,
+ .of_compatible = DRV_OF_COMPAT(ehci_platform_dt_ids),
};
device_platform_driver(ehci_driver);
--
2.1.4
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