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Message-ID: <b5ea4d67-1159-932d-eadc-71740f8127bb@codeaurora.org>
Date: Thu, 17 Jan 2019 10:52:48 -0700
From: Jeffrey Hugo <jhugo@...eaurora.org>
To: Marc Gonzalez <marc.w.gonzalez@...e.fr>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>,
MSM <linux-arm-msm@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/6] MSM8998 basic USB support
On 1/17/2019 9:35 AM, Marc Gonzalez wrote:
> 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?
No idea right now. I'm out traveling. Be back Monday. Lets sync up
then and figure this out for you.
>
> # 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
>
--
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
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