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ccgx: Modify readme to remove customer info

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Ryan Lee 2020-07-28 09:33:17 +09:00 committed by Richard Hughes
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1 changed files with 17 additions and 22 deletions
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plugins/ccgx/README.md
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@ -3,15 +3,17 @@ Cypress support
Introduction Introduction
------------ ------------
This plugin can flash firmware on Cypress CCGx USB-C controller family of This plugin can flash firmware on Cypress CCGx USB-C controller family of
devices used in dock solutions. devices used in docks.
Supported devices: Supported Protocols
-------------------
* Lenovo Gen2 Dock This plugin supports the following protocol IDs:
* Lenovo Hybrid Dock
* HP USB-C Dock G5 * com.cypress.ccgx
* HP USB-C/A Universal Dock G2 * com.cypress.ccgx.dmc
Device Flash Device Flash
============ ============
@ -52,12 +54,11 @@ The `CY_PD_JUMP_TO_ALT_FW_CMD_SIG` command is allowed only in asymmetric FW, but
`CY_PD_DEVICE_RESET_CMD_SIG` is allowed in both asymmetric FW and symmetric FW. `CY_PD_DEVICE_RESET_CMD_SIG` is allowed in both asymmetric FW and symmetric FW.
DMC(Dock Management Controller) Composite Firmware DMC(Dock Management Controller) Composite Firmware
--------------------------------------------------- --------------------------------------------------
In composite firmware topology, a single firmware image contains metadata and In composite firmware topology, a single firmware image contains metadata and
firmware images of multiple devices including DMC itself in a dock system. firmware images of multiple devices including DMC itself in a dock system.
Firmware Format Firmware Format
=============== ===============
@ -71,34 +72,28 @@ blobs in cyacd file format. See https://community.cypress.com/docs/DOC-10562
for more details. for more details.
DMC composite firmware format DMC composite firmware format
------------------------------ -----------------------------
The daemon will decompress the cabinet archive and extract several firmware The daemon will decompress the cabinet archive and extract several firmware
blobs in a combined image file format. See 4.4.1 Single Composite blobs in a combined image file format. See 4.4.1 Single Composite
(Combined) Dock Image at https://www.cypress.com/file/387471/download (Combined) Dock Image at https://www.cypress.com/file/387471/download
for more details. for more details.
This plugin supports the following protocol ID:
* com.cypress.ccgx
GUID Generation GUID Generation
--------------- ---------------
These devices use the standard USB DeviceInstanceId values, e.g. These devices use the standard USB DeviceInstanceId values, e.g.
* `USB\VID_17EF&PID_A38F` * `USB\VID_1234&PID_5678`
* `USB\VID_03F0&PID_046B`
For cyacd firmware device, Devices also have additional instance IDs which corresponds to the silicon ID,
They additionally add other instance IDs which corresponds to the silicon ID, application ID and device mode, e.g.
application ID and device mode, e.g.
* `USB\VID_17EF&PID_A38F&SID_1234` * `USB\VID_1234&PID_5678&SID_9ABC`
* `USB\VID_17EF&PID_A38F&SID_1234&APP_5678` * `USB\VID_1234&PID_5678&SID_9ABC&APP_DEF1`
* `USB\VID_17EF&PID_A38F&SID_1234&APP_5678&MODE_FW2` * `USB\VID_1234&PID_5678&SID_9ABC&APP_DEF1&MODE_FW2`
Vendor ID Security Vendor ID Security
------------------ ------------------
The vendor ID is set from the USB vendor, for example set to `USB:0x17EF` The vendor ID is set from the USB vendor, for example set to `USB:0x04B4`