From: schowdhu@codeaurora.org
To: Rob Herring <robh@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org,
Bryan O'Donoghue <pure.logic@nexus-software.ie>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg KH <greg@kroah.com>,
linux-kernel@vger.kernel.org, ckadabi@codeaurora.org,
tsoni@codeaurora.org, bryanh@codeaurora.org,
psodagud@codeaurora.org, satyap@codeaurora.org,
pheragu@codeaurora.org, Rajendra Nayak <rnayak@codeaurora.org>,
Sibi Sankar <sibis@codeaurora.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Subject: Re: [PATCH V0 1/7] dt-bindings: connector: Add property for eud type c connector
Date: Tue, 05 Oct 2021 18:41:47 +0530 [thread overview]
Message-ID: <b3d10d7b874c11462604a5f78bc0e8cf@codeaurora.org> (raw)
In-Reply-To: <YVsttQySDnaXxOuI@robh.at.kernel.org>
On 2021-10-04 22:07, Rob Herring wrote:
> On Mon, Oct 04, 2021 at 04:46:19PM +0530, Souradeep Chowdhury wrote:
>> Added the property for EUD(Embedded USB Debug) connector.Added
>> the "reg" and "interrupts" property which is needed for EUD.
>
> You are going to need a better explanation of this h/w.
Ack. Will update this with the detailed hardware description
in the next version.
>
>>
>> Signed-off-by: Souradeep Chowdhury <schowdhu@codeaurora.org>
>> ---
>> .../devicetree/bindings/connector/usb-connector.yaml | 15
>> +++++++++++++++
>> 1 file changed, 15 insertions(+)
>>
>> diff --git
>> a/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> b/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> index 7eb8659..908129f 100644
>> --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> @@ -30,6 +30,21 @@ properties:
>> - const: samsung,usb-connector-11pin
>> - const: usb-b-connector
>>
>> + - items:
>> + - enum:
>> + - qcom,sc7280-usb-connector-eud
>> + - const: qcom,usb-connector-eud
>> + - const: usb-c-connector
>> +
>> + reg:
>> + items:
>> + - description: EUD Base Register Region
>> + - description: EUD Mode Manager Region
>
> A connector node represents the physical connector on a board. That
> can't really be an MMIO peripheral. Maybe you need a node for EUD and
> then it should have a connector child node? Don't really know without
> understanding this h/w.
As per the previous discussion on the EUD, it was agreed upon to map EUD
as a type C connector and use Role-Switch to change the USB role instead
of extcon interface that was being used previously. The link for the
same
is as follows:-
https://lore.kernel.org/lkml/5db1a666-62ec-c850-6626-ad33d337b452@codeaurora.org/
>
>> +
>> + interrupts:
>> + description:
>> + EUD interrupt
>> +
>> label:
>> description: Symbolic name for the connector.
>>
>> --
>> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a
>> member
>> of Code Aurora Forum, hosted by The Linux Foundation
>>
>>
next prev parent reply other threads:[~2021-10-05 13:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-04 11:16 [PATCH V0 0/7] Add Embedded USB Debugger (EUD) driver Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 1/7] dt-bindings: connector: Add property for eud type c connector Souradeep Chowdhury
2021-10-04 16:37 ` Rob Herring
2021-10-05 13:11 ` schowdhu [this message]
2021-10-05 16:37 ` Bjorn Andersson
2021-10-07 9:25 ` schowdhu
2021-10-12 3:22 ` Bjorn Andersson
2021-11-02 9:20 ` schowdhu
2021-10-04 11:16 ` [PATCH V0 2/7] dt-bindings: usb: dwc3: Update dwc3 properties for EUD connector Souradeep Chowdhury
2021-10-04 15:50 ` Bjorn Andersson
2021-10-05 12:57 ` schowdhu
2021-10-04 11:16 ` [PATCH V0 3/7] usb: dwc3: drd: Register the eud connector child node for dwc3 Souradeep Chowdhury
2021-10-05 4:42 ` kernel test robot
2021-10-05 12:32 ` kernel test robot
2021-10-04 11:16 ` [PATCH V0 4/7] usb: common: eud: Added the driver support for Embedded USB Debugger(EUD) Souradeep Chowdhury
2021-10-04 11:31 ` Greg KH
2021-10-05 12:54 ` schowdhu
2021-10-04 16:42 ` Bjorn Andersson
2021-10-05 7:14 ` Joe Perches
2021-10-05 13:58 ` schowdhu
2021-10-05 13:01 ` schowdhu
2021-10-04 20:08 ` Randy Dunlap
2021-10-05 13:57 ` schowdhu
2021-10-04 11:16 ` [PATCH V0 5/7] arm64: dts: qcom: sc7280: Add EUD connector node Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 6/7] arm64: dts: qcom: sc7280: Set the default dr_mode for usb2 Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 7/7] MAINTAINERS: Add maintainer entry for EUD Souradeep Chowdhury
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