[PATCH v3 2/3] arm64: dts: rockchip: add usb3 controller node for RK3328 SoCs

[William Wu]

RK3328 has one USB 3.0 OTG controller which uses DWC_USB3
core's general architecture. It can act as static xHCI host
controller, static device controller, USB 3.0/2.0 OTG basing
on ID of USB3.0 PHY.

Signed-off-by: William Wu <william.wu at rock-chips.com>
---
Changes in v3:
- Move dt-binding changes to a separate patch.

Changes in v2:
- Modify the dwc3 quirk "snps,tx-ipgap-linecheck-dis-quirk" to
  "snps,dis-tx-ipgap-linecheck-quirk"

 arch/arm64/boot/dts/rockchip/rk3328.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index e23d936..e121cfd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -700,6 +700,33 @@
 		status = "disabled";
 	};
 
+	usbdrd3: usb at ff600000 {
+		compatible = "rockchip,rk3328-dwc3", "rockchip,rk3399-dwc3";
+		clocks = <&cru SCLK_USB3OTG_REF>, <&cru SCLK_USB3OTG_SUSPEND>,
+			 <&cru ACLK_USB3OTG>;
+		clock-names = "ref_clk", "suspend_clk",
+			      "bus_clk";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		status = "disabled";
+
+		usbdrd_dwc3: dwc3 at ff600000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0xff600000 0x0 0x100000>;
+			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+			dr_mode = "otg";
+			phy_type = "utmi_wide";
+			snps,dis_enblslpm_quirk;
+			snps,dis-u2-freeclk-exists-quirk;
+			snps,dis_u2_susphy_quirk;
+			snps,dis_u3_susphy_quirk;
+			snps,dis-del-phy-power-chg-quirk;
+			snps,dis-tx-ipgap-linecheck-quirk;
+			status = "disabled";
+		};
+	};
+
 	gic: interrupt-controller at ff811000 {
 		compatible = "arm,gic-400";
 		#interrupt-cells = <3>;
-- 
2.0.0