Hi Vivek,
On Thursday 31 of October 2013 13:15:42 Vivek Gautam wrote:
> Update device tree bindings for DWC3 controller and
> USB 3.0 phy present on Exynos 5250 SoC, to start using
> the phy driver based on generic phy framework.
>
> Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5250.dtsi | 17 ++++++-----------
> 1 files changed, 6 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
> index bbac42a..31a6595 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -472,22 +472,17 @@
> compatible = "synopsys,dwc3";
> reg = <0x12000000 0x10000>;
> interrupts = <0 72 0>;
> - usb-phy = <&usb2_phy &usb3_phy>;
> + phys = <&usb3_phy>;
> + phy-names = "usb3-phy";
Does the driver already support generic PHY framework?
Also it looks like originally it required two PHYs, while your patch
changes it to just one.
> };
> };
>
> usb3_phy: usbphy@12100000 {
> compatible = "samsung,exynos5250-usb3phy";
Hmm, this is not fully right. The new bindings should have new compatible
value. This is also a comment to patch 1/1. This is because a device tree
binding associated with specific compatible value is an ABI and should not
be changed in a way that breaks backwards compatibility.
Best regards,
Tomasz
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