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usb: dwc2: add support for the DWC2 controller on Meson8 SoCs

USB support in the Meson8 SoCs is provided by a DWC2 controller which
works with the same settings as Meson8b and GXBB. Using the generic
"snps,dwc2" binding results in an endless stream of "Overcurrent change
detected" messages.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Martin Blumenstingl 8 years ago
parent
5ed02dbb49
commit
55b644fd24
2 changed files with 3 additions and 0 deletions
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  1. 1 0
      Documentation/devicetree/bindings/usb/dwc2.txt
  2. 2 0
      drivers/usb/dwc2/params.c

+ 1 - 0
Documentation/devicetree/bindings/usb/dwc2.txt
View File 

@@ -10,6 +10,7 @@ Required properties:
 
   - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
 
   - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
 
   - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
 
+  - "amlogic,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs;
 
   - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;
 
   - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs;
 
   - "amcc,dwc-otg": The DWC2 USB controller instance in AMCC Canyonlands 460EX SoCs;

+ 2 - 0
drivers/usb/dwc2/params.c
View File 

@@ -144,6 +144,8 @@ const struct of_device_id dwc2_of_match_table[] = {
 
 	{ .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params },
 
 	{ .compatible = "snps,dwc2" },
 
 	{ .compatible = "samsung,s3c6400-hsotg" },
 
+	{ .compatible = "amlogic,meson8-usb",
 
+	  .data = dwc2_set_amlogic_params },
 
 	{ .compatible = "amlogic,meson8b-usb",
 
 	  .data = dwc2_set_amlogic_params },
 
 	{ .compatible = "amlogic,meson-gxbb-usb",