On Fri, Sep 28, 2012 at 06:23:15PM +0530, Kishon Vijay Abraham I wrote: > Added dwc3 support for dwc3 core and update the documentation with > device tree binding information. > > Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com> > --- > Documentation/devicetree/bindings/usb/dwc3.txt | 24 > ++++++++++++++++++++++++ > drivers/usb/dwc3/core.c | 14 ++++++++++++-- > 2 files changed, 36 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/usb/dwc3.txt > > diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt > b/Documentation/devicetree/bindings/usb/dwc3.txt > new file mode 100644 > index 0000000..87d5eeb > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/dwc3.txt > @@ -0,0 +1,24 @@ > +SYNOPSIS DWC3 CORE > + > +DWC3- USB3 CONTROLLER > + > +Required properties: > + - compatible: Should be "synopsis,dwc3"
"synopsys" and I think:
- compatible: Must be "synopsys,dwc3" reads a bit better.
> + - reg : Address and length of the register set for the device
> + - interrupts: Interrupts used by the dwc3 controller.
> + - interrupt-parent: the phandle for the interrupt controller that
> + services interrupts for this device.
> +
> +Optional properties:
> + - tx-fifo-resize: determines if the fifo spaces can be reallocated according
> + to use-cases.
actually, this should read: "determines if the FIFO *has* to be
reallocated.
On OMAP5 ES1 the default value is not good enough and we _must_
reallocate FIFO sizes.
> +This is usually a subnode to DWC3 glue to which it is connected.
> +
> +dwc3@4a030000 {
> + compatible = "synopsis,dwc3";
"synopsys"
> + reg = <0x4a030000 0xcfff>;
> + interrupts = <0 92 4>
> + interrupt-parent = <&gic>
> + tx-fifo-resize;
> +};
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 08a5738..0c17a7a 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -484,8 +484,7 @@ static int __devinit dwc3_probe(struct platform_device
> *pdev)
> else
> dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
>
> - if (of_get_property(node, "tx-fifo-resize", NULL))
> - dwc->needs_fifo_resize = true;
> + dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
>
> pm_runtime_enable(dev);
> pm_runtime_get_sync(dev);
> @@ -602,11 +601,22 @@ static int __devexit dwc3_remove(struct platform_device
> *pdev)
> return 0;
> }
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id of_dwc3_matach[] = {
> + {
> + .compatible = "synopsis,dwc3"
"synopsys"
> + },
> + { },
> +};
> +MODULE_DEVICE_TABLE(of, of_dwc3_matach);
> +#endif
> +
> static struct platform_driver dwc3_driver = {
> .probe = dwc3_probe,
> .remove = __devexit_p(dwc3_remove),
> .driver = {
> .name = "dwc3",
> + .of_match_table = of_match_ptr(of_dwc3_matach),
> },
> };
>
> --
> 1.7.10.4
>
--
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