[PATCH 1/3 v3] usb: host: fotg2: add device tree probing

Hans Ulli Kroll
2017-02-17T11:06:49Z

Add device tree probing for fotg2-hcd driver
This device in a dual role hcd/otg device and it's used on Gemini Soc.

Currently all Gemini Soc based devices uses only the hcd part.

v2:
fix wrong name in MODULE_DEVICE_TABLE()

v3:
better commit message
remove dma_coerce_mask_and_coherent() suggested by Arnd

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
---
drivers/usb/host/fotg210-hcd.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/usb/host/fotg210-hcd.c
b/drivers/usb/host/fotg210-hcd.c
index 9d0b0518290a..ff6e4275fcf6 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -23,6 +23,7 @@
* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/device.h>
#include <linux/dmapool.h>
#include <linux/kernel.h>
@@ -5676,9 +5677,18 @@ static int fotg210_hcd_remove(struct
platform_device *pdev)
return 0;
}

+#ifdef CONFIG_OF
+static const struct of_device_id fotg210_ehci_match[] = {
+ { .compatible = "faraday,fotg210-hcd" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, fotg210_ehci_match);
+#endif
+
static struct platform_driver fotg210_hcd_driver = {
.driver = {
.name = "fotg210-hcd",
+ .of_match_table = of_match_ptr(fotg210_ehci_match),
},
.probe = fotg210_hcd_probe,
.remove = fotg210_hcd_remove,
--
2.11.0