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68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
From 504c440dd9c391ed97299a9d4b2e41b3ac3b6211 Mon Sep 17 00:00:00 2001
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From: Peter Chen <peter.chen@nxp.com>
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Date: Mon, 28 Jan 2019 15:15:11 +0800
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Subject: [PATCH] usb: dwc3: add otg properties update
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During the USB certification CV9 test, if we report OTG descriptor
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to test suite, it will require doing OTG test, but in fact, it does
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not support OTG-compliance in dwc3 driver.
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Signed-off-by: Peter Chen <peter.chen@nxp.com>
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---
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drivers/usb/dwc3/core.c | 11 +++++++++++
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drivers/usb/dwc3/core.h | 2 ++
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drivers/usb/dwc3/gadget.c | 4 ++++
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3 files changed, 17 insertions(+)
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--- a/drivers/usb/dwc3/core.c
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+++ b/drivers/usb/dwc3/core.c
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@@ -1263,6 +1263,17 @@ static void dwc3_get_properties(struct d
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dwc->maximum_speed = usb_get_maximum_speed(dev);
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dwc->dr_mode = usb_get_dr_mode(dev);
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+ if (dwc->dr_mode == USB_DR_MODE_OTG) {
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+ dwc->otg_caps.otg_rev = 0x0300;
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+ dwc->otg_caps.hnp_support = true;
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+ dwc->otg_caps.srp_support = true;
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+ dwc->otg_caps.adp_support = true;
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+
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+ /* Update otg capabilities by DT properties */
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+ of_usb_update_otg_caps(dev->of_node,
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+ &dwc->otg_caps);
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+ }
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+
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dwc->hsphy_mode = of_usb_get_phy_mode(dev->of_node);
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dwc->sysdev_is_parent = device_property_read_bool(dev,
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--- a/drivers/usb/dwc3/core.h
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+++ b/drivers/usb/dwc3/core.h
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@@ -949,6 +949,7 @@ struct dwc3_scratchpad_array {
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* @nr_scratch: number of scratch buffers
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* @u1u2: only used on revisions <1.83a for workaround
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* @maximum_speed: maximum speed requested (mainly for testing purposes)
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+ * @otg_caps: the OTG capabilities from hardware point
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* @revision: revision register contents
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* @version_type: VERSIONTYPE register contents, a sub release of a revision
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* @dr_mode: requested mode of operation
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@@ -1104,6 +1105,7 @@ struct dwc3 {
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u32 nr_scratch;
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u32 u1u2;
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u32 maximum_speed;
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+ struct usb_otg_caps otg_caps;
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/*
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* All 3.1 IP version constants are greater than the 3.0 IP
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--- a/drivers/usb/dwc3/gadget.c
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+++ b/drivers/usb/dwc3/gadget.c
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@@ -3427,6 +3427,10 @@ int dwc3_gadget_init(struct dwc3 *dwc)
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dwc->gadget.sg_supported = true;
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dwc->gadget.name = "dwc3-gadget";
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dwc->gadget.lpm_capable = true;
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+ dwc->gadget.is_otg = (dwc->dr_mode == USB_DR_MODE_OTG) &&
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+ (dwc->otg_caps.hnp_support ||
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+ dwc->otg_caps.srp_support ||
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+ dwc->otg_caps.adp_support);
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/*
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* FIXME We might be setting max_speed to <SUPER, however versions
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