Re: [PATCH 2/4] ARM: dts: add rk3288 dwc2 controller support

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On 07/30/2014 07:18 PM, Sergei Shtylyov wrote:

rk3288 has two kind of usb controller, this add the dwc2 controller
for otg and host1.

Controller can works with usb PHY default setting and Vbus on.

Signed-off-by: Kever Yang <kever.yang@xxxxxxxxxxxxxx>
---
  arch/arm/boot/dts/rk3288.dtsi |   20 ++++++++++++++++++++
  1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index abc51f5..4309c4f 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -646,5 +646,25 @@
              clock-names = "baudclk", "apb_pclk";
              status = "disabled";
          };
+
+        usb_otg: dwc2@ff580000 {

    The ePAPR standard [1] says:

The name of a node should be somewhat generic, reflecting the function of the
device and not its precise programming model. If appropriate, the name should
be one of the following choices:

[...]
    • usb

+            compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",
+                    "snps,dwc2";
+            reg = <0xff580000 0x40000>;
+            interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&cru HCLK_OTG0>;
+            clock-names = "otg";
+            status = "disabled";
+        };
+
+        usb_host1: dwc2@ff540000 {

    Same here.

   Oops, forgot to give the ePAPR link:

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

WBR, Sergei

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