Hello.

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

Signed-off-by: Yoshihiro Shimoda <[email protected]>
---
  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@ee000000 {

The node name should be "usb@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

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