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authorPeter Mamonov <pmamonov@gmail.com>2015-08-28 14:06:25 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2015-09-04 08:05:11 +0200
commit790584b76932d7e8ea8769063ad74d219b0ad53a (patch)
treea2870a538e17173e111914b8caa43852649877c3 /drivers/usb/host/ehci-hcd.c
parentd192ebe8bb78296d1d86b35cacb7aa3cd5414d7a (diff)
downloadbarebox-790584b76932d7e8ea8769063ad74d219b0ad53a.tar.gz
barebox-790584b76932d7e8ea8769063ad74d219b0ad53a.tar.xz
usb: ehci-hcd: add OF bindings
Signed-off-by: Peter Mamonov <pmamonov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 25e7a3e520..8b4abeb6bf 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -934,13 +934,18 @@ 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;
- /* default to EHCI_HAS_TT to not change behaviour of boards
- * without platform_data
- */
if (pdata)
data.flags = pdata->flags;
- else
+ else if (dn) {
+ data.flags = 0;
+ if (of_property_read_bool(dn, "has-transaction-translator"))
+ data.flags |= EHCI_HAS_TT;
+ } else
+ /* default to EHCI_HAS_TT to not change behaviour of boards
+ * without platform_data
+ */
data.flags = EHCI_HAS_TT;
data.hccr = dev_request_mem_region(dev, 0);
@@ -961,9 +966,18 @@ 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);