diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/820-usb-0005-usb-dwc3-add-otg-properties-update.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/820-usb-0005-usb-dwc3-add-otg-properties-update.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/820-usb-0005-usb-dwc3-add-otg-properties-update.patch b/target/linux/layerscape/patches-5.4/820-usb-0005-usb-dwc3-add-otg-properties-update.patch new file mode 100644 index 0000000000..218797247d --- /dev/null +++ b/target/linux/layerscape/patches-5.4/820-usb-0005-usb-dwc3-add-otg-properties-update.patch @@ -0,0 +1,67 @@ +From 504c440dd9c391ed97299a9d4b2e41b3ac3b6211 Mon Sep 17 00:00:00 2001 +From: Peter Chen <peter.chen@nxp.com> +Date: Mon, 28 Jan 2019 15:15:11 +0800 +Subject: [PATCH] usb: dwc3: add otg properties update + +During the USB certification CV9 test, if we report OTG descriptor +to test suite, it will require doing OTG test, but in fact, it does +not support OTG-compliance in dwc3 driver. + +Signed-off-by: Peter Chen <peter.chen@nxp.com> +--- + drivers/usb/dwc3/core.c | 11 +++++++++++ + drivers/usb/dwc3/core.h | 2 ++ + drivers/usb/dwc3/gadget.c | 4 ++++ + 3 files changed, 17 insertions(+) + +--- a/drivers/usb/dwc3/core.c ++++ b/drivers/usb/dwc3/core.c +@@ -1260,6 +1260,17 @@ static void dwc3_get_properties(struct d + + dwc->maximum_speed = usb_get_maximum_speed(dev); + dwc->dr_mode = usb_get_dr_mode(dev); ++ if (dwc->dr_mode == USB_DR_MODE_OTG) { ++ dwc->otg_caps.otg_rev = 0x0300; ++ dwc->otg_caps.hnp_support = true; ++ dwc->otg_caps.srp_support = true; ++ dwc->otg_caps.adp_support = true; ++ ++ /* Update otg capabilities by DT properties */ ++ of_usb_update_otg_caps(dev->of_node, ++ &dwc->otg_caps); ++ } ++ + dwc->hsphy_mode = of_usb_get_phy_mode(dev->of_node); + + dwc->sysdev_is_parent = device_property_read_bool(dev, +--- a/drivers/usb/dwc3/core.h ++++ b/drivers/usb/dwc3/core.h +@@ -944,6 +944,7 @@ struct dwc3_scratchpad_array { + * @nr_scratch: number of scratch buffers + * @u1u2: only used on revisions <1.83a for workaround + * @maximum_speed: maximum speed requested (mainly for testing purposes) ++ * @otg_caps: the OTG capabilities from hardware point + * @revision: revision register contents + * @version_type: VERSIONTYPE register contents, a sub release of a revision + * @dr_mode: requested mode of operation +@@ -1097,6 +1098,7 @@ struct dwc3 { + u32 nr_scratch; + u32 u1u2; + u32 maximum_speed; ++ struct usb_otg_caps otg_caps; + + /* + * All 3.1 IP version constants are greater than the 3.0 IP +--- a/drivers/usb/dwc3/gadget.c ++++ b/drivers/usb/dwc3/gadget.c +@@ -3376,6 +3376,10 @@ int dwc3_gadget_init(struct dwc3 *dwc) + dwc->gadget.sg_supported = true; + dwc->gadget.name = "dwc3-gadget"; + dwc->gadget.lpm_capable = true; ++ dwc->gadget.is_otg = (dwc->dr_mode == USB_DR_MODE_OTG) && ++ (dwc->otg_caps.hnp_support || ++ dwc->otg_caps.srp_support || ++ dwc->otg_caps.adp_support); + + /* + * FIXME We might be setting max_speed to <SUPER, however versions |