[PATCH 2/2] arm: shmobile: r8a7790: add USB3.0 node to r8a7790.dtsi

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Thu May 29 09:08:30 PDT 2014


Hello.

On 05/29/2014 03:00 PM, Yoshihiro Shimoda wrote:

> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
> ---
>   arch/arm/boot/dts/r8a7790.dtsi |   10 ++++++++++
>   1 file changed, 10 insertions(+)

> diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
> index e06c486..e6b04f2 100644
> --- a/arch/arm/boot/dts/r8a7790.dtsi
> +++ b/arch/arm/boot/dts/r8a7790.dtsi
> @@ -902,4 +902,14 @@
>   		#size-cells = <0>;
>   		status = "disabled";
>   	};
> +
> +	xhci: xhci at ee000000 {

    The node name should be "usb at ee000000", according to section 2.2.2 of the 
ePAPR standard [1]:

> +		compatible = "renesas,xhci-r8a7790";
> +		reg = <0 0xee000000 0 0xc00>;
> +		interrupts = <0 101 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&mstp3_clks R8A7790_CLK_SSUSB>;
> +		phys = <&usbphy 1 1>;

    This part is dependent on the generic PHY support in the USB HCD in order 
to work.

> +		phy-names = "usb";
> +		status = "disabled";
> +	};
>   };

[1] http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf

WBR, Sergei




More information about the linux-arm-kernel mailing list