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usb: dwc2: add support for the DWC2 controller on Meson8 SoCs
authorMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Sat, 6 May 2017 17:37:45 +0000 (19:37 +0200)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Fri, 2 Jun 2017 08:27:36 +0000 (11:27 +0300)
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>
Documentation/devicetree/bindings/usb/dwc2.txt patch | blob | blame | history
drivers/usb/dwc2/params.c patch | blob | blame | history

diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index 00bea038639e4ea341735c875040ea55a12e8be3..fcf199b64d3d3f2b703c42001d7cf7dfff5ca7bf 100644 (file)
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -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;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 9cd8722f24f65994d83cdb0378387c021e773e5f..a3ffe97170ffd7ccdaf42cc892963ec22793d380 100644 (file)
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -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",