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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Rob Herring <robh@kernel.org>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Cc: John Youn <John.Youn@synopsys.com>,
	Rob Herring <robh+dt@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Felipe Balbi <balbi@kernel.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v4 06/12] usb: devicetree: Include USB SSP Gen X x Y
Date: Sat, 1 Aug 2020 02:36:53 +0000	[thread overview]
Message-ID: <7e11473d-de81-dc3d-db97-722be51c507f@synopsys.com> (raw)
In-Reply-To: <20200731202143.GA715967@bogus>

Rob Herring wrote:
> On Sat, 25 Jul 2020 18:36:32 -0700, Thinh Nguyen wrote:
>> According to the USB 3.2 spec, a super-speed-plus device can operate at
>> gen2x2, gen2x1, or gen1x2. If the USB controller device supports
>> multiple lanes at different transfer rates, the user can specify the HW
>> capability via these new speed strings:
>>
>> "super-speed-plus-gen2x2"
>> "super-speed-plus-gen2x1"
>> "super-speed-plus-gen1x2"
>>
>> If the argument is simply "super-speed-plus", USB controllers should
>> default to their maximum transfer rate and number of lanes.
>>
>> Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
>> ---
>> Changes in v4:
>> - None
>> Changes in v3:
>> - Use "maximum-speed" to include both the num-lane and transfer rate for SSP
>> - Remove "num-lanes" and "lane-speed-mantissa-gbps" properties
>> Changes in v2:
>> - Make "num-lanes" and "lane-speed-mantissa-gbps" common USB properties
>>
>>  Documentation/devicetree/bindings/usb/generic.txt | 11 +++++++----
>>  1 file changed, 7 insertions(+), 4 deletions(-)
>>
> Reviewed-by: Rob Herring <robh@kernel.org>

Thanks!
Thinh

  reply	other threads:[~2020-08-01  2:37 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-26  1:35 [PATCH v4 00/12] usb: Handle different sublink speeds Thinh Nguyen
2020-07-26  1:35 ` [PATCH v4 01/12] usb: ch9: Add sublink speed struct Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 02/12] usb: gadget: composite: Avoid using magic numbers Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 03/12] usb: gadget: Expose sublink speed attributes Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 04/12] usb: gadget: Set max speed for SSP devices Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 05/12] usb: composite: Properly report sublink speed Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 06/12] usb: devicetree: Include USB SSP Gen X x Y Thinh Nguyen
2020-07-31 20:21   ` Rob Herring
2020-08-01  2:36     ` Thinh Nguyen [this message]
2020-07-26  1:36 ` [PATCH v4 07/12] usb: common: Add and update common functions for SSP speeds Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 08/12] usb: dwc3: Initialize lane count and sublink speed Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 09/12] usb: dwc3: gadget: Report sublink speed capability Thinh Nguyen
2020-07-26  1:36 ` [PATCH v4 10/12] usb: dwc3: gadget: Implement setting of sublink speed Thinh Nguyen
2020-07-26  1:37 ` [PATCH v4 11/12] usb: dwc3: gadget: Track connected lane and " Thinh Nguyen
2020-07-26  1:37 ` [PATCH v4 12/12] usb: dwc3: gadget: Set speed only up to the max supported Thinh Nguyen
2020-09-05  0:53 ` [PATCH v4 00/12] usb: Handle different sublink speeds Thinh Nguyen

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