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SubjectRe: [PATCH v2 0/6] MSM8998 basic USB support
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Date
On 14/01/2019 17:35, Jeffrey Hugo wrote:

> This series provides basic USB support for MSM8998. Currently missing is
> wiring up the Type-C detection logic so that the controller can correctly
> switch between host and peripheral modes. Work to implement that is
> ongoing, and expected to appear soon in followup patches. Also missing is
> Display Port (DP) support which apparently is different from sdm845 and
> needs additional investigation.
>
> v2:
> -Fixed typo in QUSB2 bindings changes
> -Split out bindings changes
> -Fixed dual lane support in QMP to reflect Doug's updates
> -Dropped the clock fixes which were accepted
>
> Jeffrey Hugo (6):
> clk: qcom: Add missing freq for usb30_master_clk on 8998
> clk: qcom: Skip halt checks on gcc_usb3_phy_pipe_clk for 8998
> phy: qcom-qusb2: Add QUSB2 PHY support for msm8998
> phy: qcom-qmp: Add QMP V3 USB3 PHY support for msm8998
> usb: dwc3: qcom: Add support for MSM8998
> arm64: dts: qcom: msm8998: Add USB-related nodes
>
> .../devicetree/bindings/phy/qcom-qmp-phy.txt | 5 +
> .../devicetree/bindings/phy/qcom-qusb2-phy.txt | 1 +
> .../devicetree/bindings/usb/qcom,dwc3.txt | 1 +
> arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 22 ++++
> arch/arm64/boot/dts/qcom/msm8998.dtsi | 90 +++++++++++++
> drivers/clk/qcom/gcc-msm8998.c | 3 +-
> drivers/phy/qualcomm/phy-qcom-qmp.c | 142 +++++++++++++++++++++
> drivers/phy/qualcomm/phy-qcom-qmp.h | 4 +
> drivers/phy/qualcomm/phy-qcom-qusb2.c | 41 ++++++
> drivers/usb/dwc3/dwc3-qcom.c | 1 +
> 10 files changed, 309 insertions(+), 1 deletion(-)

I am not able to say why (yet) but this doesn't work for me.
Nothing happens when I insert a USB device. Any ideas?

# lsusb -v

Bus 002 Device 001: ID 1d6b:0003
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x1d6b
idProduct 0x0003
bcdDevice 5.00
iManufacturer 3 Linux 5.0.0-rc1 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 xhci-hcd.0.auto
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x001f
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
bMaxBurst 0
Hub Descriptor:
bLength 12
bDescriptorType 42
nNbrPorts 1
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
bHubDecLat 0.0 micro seconds
wHubDelay 0 nano seconds
DeviceRemovable 0x00
Hub Port Status:
Port 1: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 0x000f
bNumDeviceCaps 1
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x02
Latency Tolerance Messages (LTM) Supported
wSpeedsSupported 0x0008
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 3
Lowest fully-functional device speed is SuperSpeed (5Gbps)
bU1DevExitLat 0 micro seconds
bU2DevExitLat 0 micro seconds
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered

Bus 001 Device 001: ID 1d6b:0002
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x1d6b
idProduct 0x0002
bcdDevice 5.00
iManufacturer 3 Linux 5.0.0-rc1 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 xhci-hcd.0.auto
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0019
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 1
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0100 power
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered


NET: Registered protocol family 1
workingset: timestamp_bits=62 max_order=20 bucket_order=0
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
qcom-qmp-phy c010000.phy: Linked as a consumer to regulator.15
qcom-qmp-phy c010000.phy: Linked as a consumer to regulator.16
qcom-qmp-phy c010000.phy: Registered Qcom-QMP phy
qcom-qusb2-phy c012000.phy: Linked as a consumer to regulator.26
l24: supplied by bob
qcom-qusb2-phy c012000.phy: Linked as a consumer to regulator.38
qcom-qusb2-phy c012000.phy: Registered Qcom-QUSB2 phy
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
msm_serial c1b0000.serial: msm_serial: detected port #0
msm_serial c1b0000.serial: uartclk = 1843200
c1b0000.serial: ttyMSM0 at MMIO 0xc1b0000 (irq = 17, base_baud = 115200) is a MSM
msm_serial: console setup on port #0
printk: console [ttyMSM0] enabled
msm_serial: driver initialized
dwc3 a800000.dwc3: Failed to get clk 'ref': -2
xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1
xhci-hcd xhci-hcd.0.auto: hcc params 0x0230fe65 hci version 0x110 quirks 0x0000000002010010
xhci-hcd xhci-hcd.0.auto: irq 18, io mem 0x0a800000
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.00
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: xHCI Host Controller
usb usb1: Manufacturer: Linux 5.0.0-rc1 xhci-hcd
usb usb1: SerialNumber: xhci-hcd.0.auto
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2
xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed
usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.00
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: xHCI Host Controller
usb usb2: Manufacturer: Linux 5.0.0-rc1 xhci-hcd
usb usb2: SerialNumber: xhci-hcd.0.auto
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
usbcore: registered new interface driver usb-storage

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