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Subject[PATCHv4 1/2] ARM: vt8500: Update vt8500-ehci driver to support device tree.
Date
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
v4:
Minor changes to the documentation of required properties.

.../devicetree/bindings/usb/vt8500-ehci.txt | 12 ++++++++++++
drivers/usb/host/ehci-vt8500.c | 9 +++++++++
2 files changed, 21 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/usb/vt8500-ehci.txt

diff --git a/Documentation/devicetree/bindings/usb/vt8500-ehci.txt b/Documentation/devicetree/bindings/usb/vt8500-ehci.txt
new file mode 100644
index 0000000..5fb8fd6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/vt8500-ehci.txt
@@ -0,0 +1,12 @@
+VIA VT8500 and Wondermedia WM8xxx SoC USB controllers.
+
+Required properties:
+ - compatible: Should be "via,vt8500-ehci" or "wm,prizm-ehci".
+ - reg: Address range of the ehci registers. size should be 0x200
+ - interrupts: Should contain the ehci interrupt.
+
+usb: ehci@D8007100 {
+ compatible = "wm,prizm-ehci", "usb-ehci";
+ reg = <0xD8007100 0x200>;
+ interrupts = <1>;
+};
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c
index c1eda73..4ba8f0c 100644
--- a/drivers/usb/host/ehci-vt8500.c
+++ b/drivers/usb/host/ehci-vt8500.c
@@ -16,6 +16,7 @@
*
*/

+#include <linux/of.h>
#include <linux/platform_device.h>

static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
@@ -162,6 +163,12 @@ static int vt8500_ehci_drv_remove(struct platform_device *pdev)
return 0;
}

+static const struct of_device_id vt8500_ehci_ids[] = {
+ { .compatible = "via,vt8500-ehci", },
+ { .compatible = "wm,prizm-ehci", },
+ {}
+};
+
static struct platform_driver vt8500_ehci_driver = {
.probe = vt8500_ehci_drv_probe,
.remove = vt8500_ehci_drv_remove,
@@ -169,7 +176,9 @@ static struct platform_driver vt8500_ehci_driver = {
.driver = {
.name = "vt8500-ehci",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(vt8500_ehci_ids),
}
};

MODULE_ALIAS("platform:vt8500-ehci");
+MODULE_DEVICE_TABLE(of, vt8500_ehci_ids);
--
1.7.2.5


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