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SubjectRe: [PATCH v2] USB: Serial: cypress_M8: Enable Simply Automated UPB PIM
On Mon, Jun 22, 2020 at 2:53 AM Johan Hovold <johan@kernel.org> wrote:
>
> On Tue, Jun 16, 2020 at 04:04:03PM -0600, James Hilliard wrote:
> > This is a UPB(Universal Powerline Bus) PIM(Powerline Interface Module)
> > which allows for controlling multiple UPB compatible devices from
> > Linux using the standard serial interface.
> >
> > Based on vendor application source code there are two different models
> > of USB based PIM devices in addition to a number of RS232 based PIM's.
> >
> > The vendor UPB application source contains the following USB ID's:
> > #define USB_PCS_VENDOR_ID 0x04b4
> > #define USB_PCS_PIM_PRODUCT_ID 0x5500
> >
> > #define USB_SAI_VENDOR_ID 0x17dd
> > #define USB_SAI_PIM_PRODUCT_ID 0x5500
> >
> > The first set of ID's correspond to the PIM variant sold by Powerline
> > Control Systems while the second corresponds to the Simply Automated
> > Incorporated PIM. As the product ID for both of these match the default
> > cypress HID->COM RS232 product ID it assumed that they both use an
> > internal variant of this HID->COM RS232 converter hardware. However
> > as the vendor ID for the Simply Automated variant is different we need
> > to also add it to the cypress_M8 driver so that it is properly
> > detected.
> >
> > Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
> > ---
> > Changes v1 -> v2:
> > - Add more detailed commit message.
>
> Now applied, thanks.
>
> Would you mind posting the output of "lsusb -v" for this device for
> completeness?
Bus 001 Device 004: ID 17dd:5500
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x17dd
idProduct 0x5500
bcdDevice 0.00
iManufacturer 1 Simply Automated Inc.
iProduct 2 USB to Serial
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0029
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 4 Sample HID
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 3
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 37
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0000
(Bus Powered)
>
> Johan

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