layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

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