Hi,
On Thu, Jul 19, 2012 at 11:11 AM, Ajay Kumar Gupta <ajay.gupta@xxxxxx> wrote:
> Added device tree support for nop transceiver driver and updated the
> Documentation with device tree binding information for am33xx platform.
>
> Signed-off-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx>
> ---
> .../devicetree/bindings/usb/am33xx-usb.txt | 3 +++
> drivers/usb/otg/nop-usb-xceiv.c | 12 ++++++++++++
> 2 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/usb/am33xx-usb.txt b/Documentation/devicetree/bindings/usb/am33xx-usb.txt
> index ca8fa56..9782585 100644
> --- a/Documentation/devicetree/bindings/usb/am33xx-usb.txt
> +++ b/Documentation/devicetree/bindings/usb/am33xx-usb.txt
> @@ -12,3 +12,6 @@ AM33XX MUSB GLUE
> represents PERIPHERAL.
> - power : Should be "250". This signifies the controller can supply upto
> 500mA when operating in host mode.
> +
> +NOP USB PHY
> + - compatible : Should be "nop-xceiv-usb"
> diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
> index 2e5e889..102e7d8 100644
> --- a/drivers/usb/otg/nop-usb-xceiv.c
> +++ b/drivers/usb/otg/nop-usb-xceiv.c
> @@ -27,6 +27,7 @@
> */
>
> #include <linux/module.h>
> +#include <linux/of.h>
> #include <linux/platform_device.h>
> #include <linux/dma-mapping.h>
> #include <linux/usb/otg.h>
> @@ -152,12 +153,23 @@ static int __devexit nop_usb_xceiv_remove(struct platform_device *pdev)
> return 0;
> }
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id nop_xceiv_id_table[] = {
> + { .compatible = "nop-xceiv-usb" },
> + {}
> +};
> +MODULE_DEVICE_TABLE(of, nop_xceiv_id_table);
> +#else
> +#define nop_xceiv_id_table NULL
> +#endif
The *#else* part is not needed as your *of_match_ptr* will take care of it.
> +
> static struct platform_driver nop_usb_xceiv_driver = {
> .probe = nop_usb_xceiv_probe,
> .remove = __devexit_p(nop_usb_xceiv_remove),
> .driver = {
> .name = "nop_usb_xceiv",
> .owner = THIS_MODULE,
> + .of_match_table = of_match_ptr(nop_xceiv_id_table),
> },
> };
Thanks
Kishon
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