From: Johan Hovold <johan@kernel.org>
To: Krishna Kurapati <quic_kriskura@quicinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Wesley Cheng <quic_wcheng@quicinc.com>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Conor Dooley <conor+dt@kernel.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Felipe Balbi <balbi@kernel.org>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
quic_ppratap@quicinc.com, quic_jackp@quicinc.com
Subject: Re: [PATCH v16 4/9] usb: dwc3: core: Refactor PHY logic to support Multiport Controller
Date: Mon, 25 Mar 2024 13:33:00 +0100 [thread overview]
Message-ID: <ZgFu_Of9GLnd3P-d@hovoldconsulting.com> (raw)
In-Reply-To: <20240307062052.2319851-5-quic_kriskura@quicinc.com>
On Thu, Mar 07, 2024 at 11:50:47AM +0530, Krishna Kurapati wrote:
> Currently the DWC3 driver supports only single port controller
> which requires at least one HS PHY and at most one SS PHY.
>
> But the DWC3 USB controller can be connected to multiple ports and
> each port can have their own PHYs. Each port of the multiport
> controller can either be HS+SS capable or HS only capable
> Proper quantification of them is required to modify GUSB2PHYCFG
> and GUSB3PIPECTL registers appropriately.
>
> Add support for detecting, obtaining and configuring PHYs supported
> by a multiport controller. Limit support to multiport controllers
> with up to four ports for now (e.g. as needed for SC8280XP).
>
> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
next prev parent reply other threads:[~2024-03-25 12:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 6:20 [PATCH v16 0/9] Add multiport support for DWC3 controllers Krishna Kurapati
2024-03-07 6:20 ` [PATCH v16 1/9] dt-bindings: usb: Add bindings for multiport properties on DWC3 controller Krishna Kurapati
2024-03-25 12:30 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 2/9] usb: dwc3: core: Access XHCI address space temporarily to read port info Krishna Kurapati
2024-03-25 12:31 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 3/9] usb: dwc3: core: Skip setting event buffers for host only controllers Krishna Kurapati
2024-03-07 6:20 ` [PATCH v16 4/9] usb: dwc3: core: Refactor PHY logic to support Multiport Controller Krishna Kurapati
2024-03-25 12:33 ` Johan Hovold [this message]
2024-03-07 6:20 ` [PATCH v16 5/9] dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport Krishna Kurapati
2024-03-25 12:34 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 6/9] usb: dwc3: qcom: Add helper function to request wakeup interrupts Krishna Kurapati
2024-03-25 12:35 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 7/9] usb: dwc3: qcom: Refactor IRQ handling in glue driver Krishna Kurapati
2024-03-25 12:48 ` Johan Hovold
2024-03-25 13:15 ` Krishna Kurapati PSSNV
2024-03-25 13:23 ` Johan Hovold
2024-03-25 17:29 ` Krishna Kurapati PSSNV
2024-03-25 19:45 ` Johan Hovold
2024-03-26 8:11 ` Krishna Kurapati PSSNV
2024-03-26 8:28 ` Johan Hovold
2024-03-26 10:06 ` Krishna Kurapati PSSNV
2024-03-26 10:14 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 8/9] usb: dwc3: qcom: Enable wakeup for applicable ports of multiport Krishna Kurapati
2024-03-25 12:50 ` Johan Hovold
2024-03-07 6:20 ` [PATCH v16 9/9] usb: dwc3: qcom: Add multiport suspend/resume support for wrapper Krishna Kurapati
2024-03-25 12:52 ` Johan Hovold
2024-03-25 13:15 ` Krishna Kurapati PSSNV
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