From: "Dwivedi, Avaneesh Kumar (avani)" <akdwived@codeaurora.org>
To: Bryan O'Donoghue <pure.logic@nexus-software.ie>,
linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org,
tsoni@codeaurora.org, bryanh@codeaurora.org,
psodagud@codeaurora.org, rnayak@codeaurora.org,
satyap@codeaurora.org, pheragu@codeaurora.org
Subject: Re: [PATCH v4 1/2] dt-bindings: Documentation for qcom,eud
Date: Sun, 16 Feb 2020 18:41:30 +0530 [thread overview]
Message-ID: <4f19fe93-3af2-1050-4d80-ed568865d825@codeaurora.org> (raw)
In-Reply-To: <9483dfa0-15ea-e9ed-79ee-3dcf97e98136@nexus-software.ie>
Thank you very much Bryan for your review comments, will be working on
your and other maintainers comment on this patchset and will be posting
new patchset soon.
On 2/4/2020 8:21 AM, Bryan O'Donoghue wrote:
> On 31/01/2020 04:43, Avaneesh Kumar Dwivedi wrote:
>> Documentation for Embedded USB Debugger (EUD) device tree bindings.
>>
>> Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
>> Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
>> Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
>> ---
>> .../devicetree/bindings/soc/qcom/qcom,msm-eud.txt | 43
>> ++++++++++++++++++++++
>> 1 file changed, 43 insertions(+)
>> create mode 100644
>> Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>>
>> diff --git
>> a/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>> b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>> new file mode 100644
>> index 0000000..57476ce
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt
>> @@ -0,0 +1,43 @@
>> +* Qualcomm Technologies Inc Embedded USB Debugger (EUD)
>> +
>> +The EUD (Embedded USB Debugger) is a mini-USB hub implemented
>> +on chip to support the USB-based debug and trace capabilities.
>
> on chip to support USB-based debug and trace capabilities.
OK
>
>> +
>> +Required properties:
>> +
>> + - compatible: Should be "qcom,msm-eud"
>> + - interrupts: Interrupt number
>> + - reg: Should be address and size of EUD register space
>> +
>> +EUD notifies clients for VBUS attach/detach and charger enable/disable
>> +events. The link between event consumer(i.e.USB controller for vbus
> missing space
> consumer (i.e.
Ok
>
>> +attach/detach event) and EUD is established via a directed graph. EUD
>> +act
> The EUD acts
OK
>
>> as an output link and clients of EUD as input link of this directed
>> +graph. Events flows through the directed graph only during debug mode.
>
> Probably this is a very obvious question but, you mean debug and trace
> events or do you mean VBUS/charger events?
Directed graph is to show VBUS and charger events flow.
>
>> +
>> +An example for EUD device node:
>> +
>> + eud: qcom,msm-eud@88e0000 {
>> + compatible = "qcom,msm-eud";
>> + interrupts = <GIC_SPI 492 IRQ_TYPE_LEVEL_HIGH>;
>> + reg = <0x88e0000 0x4000>;
>> + usb_con: connector {
>> + compatible = "usb-c-connector";
>> + label = "USB-C";
>> + port {
>> + eud_usb_output: endpoint {
>> + remote-endpoint = <&eud_usb3_input>;
>> + };
>> + };
>> + };
>> + };
>> +
>> +An example for EUD client:
>> +
>> + usb3 {
>> + port {
>> + eud_usb3_input: endpoint {
>> + remote-endpoint = <&eud_usb_output>;
>> + };
>> + };
>> + };
>>
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2020-02-16 13:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-31 4:43 [PATCH v4 0/2] Add Embedded USB Debugger (EUD) driver Avaneesh Kumar Dwivedi
2020-01-31 4:43 ` [PATCH v4 1/2] dt-bindings: Documentation for qcom,eud Avaneesh Kumar Dwivedi
2020-02-04 2:51 ` Bryan O'Donoghue
2020-02-16 13:11 ` Dwivedi, Avaneesh Kumar (avani) [this message]
2020-02-04 3:17 ` Bryan O'Donoghue
2020-02-16 13:14 ` Dwivedi, Avaneesh Kumar (avani)
2020-01-31 4:43 ` [PATCH v4 2/2] Embedded USB Debugger (EUD) driver Avaneesh Kumar Dwivedi
2020-02-03 19:35 ` Bjorn Andersson
2020-02-04 3:10 ` Bryan O'Donoghue
2020-02-16 16:07 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-17 19:44 ` Bryan O'Donoghue
2020-02-18 13:23 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-18 14:48 ` Bryan O'Donoghue
2020-04-04 14:12 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-16 14:14 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-18 3:35 ` Bjorn Andersson
2020-02-18 13:00 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-07 10:04 ` Greg KH
2020-02-16 16:22 ` Dwivedi, Avaneesh Kumar (avani)
2020-02-16 16:35 ` Greg KH
2020-02-17 7:21 ` Dwivedi, Avaneesh Kumar (avani)
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