From: schowdhu@codeaurora.org
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, pure.logic@nexus-software.ie,
greg@kroah.com, linux-kernel@vger.kernel.org,
tsoni@codeaurora.org, psodagud@codeaurora.org,
satyap@codeaurora.org, pheragu@codeaurora.org,
rnayak@codeaurora.org, sibis@codeaurora.org,
saiprakash.ranjan@codeaurora.org, quic_schowdhu@quicinc.com
Subject: Re: [PATCH V1 1/8] dt-bindings: Add the yaml bindings for EUD
Date: Wed, 24 Nov 2021 15:42:09 +0530 [thread overview]
Message-ID: <c1772ad6c60dabd206be9cf91dd08c77@codeaurora.org> (raw)
In-Reply-To: <YZ2zx4/8+yCcls/G@ripper>
On 2021-11-24 09:08, Bjorn Andersson wrote:
> On Mon 22 Nov 20:28 PST 2021, Souradeep Chowdhury wrote:
>
>> Documentation for Embedded USB Debugger(EUD) device tree
>> bindings in yaml format.
>>
>> Signed-off-by: Souradeep Chowdhury <schowdhu@codeaurora.org>
>> ---
>> .../devicetree/bindings/soc/qcom/qcom,eud.yaml | 52
>> ++++++++++++++++++++++
>> 1 file changed, 52 insertions(+)
>> create mode 100644
>> Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
>> b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
>> new file mode 100644
>> index 0000000..724552c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
>> @@ -0,0 +1,52 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Qualcomm Embedded USB Debugger
>> +
>> +maintainers:
>> + - Souradeep Chowdhury <schowdhu@codeaurora.org>
>> +
>> +description: |
>
> The '|' indicates that the formatting is significant, but it's not.
Ack
>
>> + This binding is used to describe the Qualcomm Embedded USB
>> Debugger, which is
>> + mini USB-hub implemented on chip to support USB-based debug
>> capabilities.
>> +
>> +properties:
>> + compatible:
>> + items:
>> + - enum:
>> + - qcom,sc7280-eud
>> + - const: qcom,eud
>> +
>> + reg:
>> + items:
>> + - description: EUD Base Register Region
>> + - description: EUD Mode Manager Register
>> +
>> + interrupts:
>> + description:
>> + EUD interrupt
>> +
>> +
>
> Drop one of these two empty lines please.
Ack
>
>> + port:
>> + description:
>> + Any connector to the data bus of this controller should be
>> modelled
>> + using the OF graph bindings specified, if the "usb-role-switch"
>> + property is used. See graph.txt
>
> This description does unfortunately not help me to understand what to
> point this port to.
>
> What's "the data bus"?
>
> Is usb-role-switch a property to be put in this node? Doesn't it need
> to
> be mentioned as a valid property?
The end point of this port is attached to the connector child of dwc3
node. The dwc3 node has the "usb-role-switch"
property. So "usb-role-switch" is not a valid property of the EUD node.
Will update the description with more clarity accordingly.
>
>> + $ref: /schemas/graph.yaml#/properties/port
>> +
>> +required:
>> + - compatible
>> + - reg
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + eud@88e0000 {
>> + compatible = "qcom,sc7280-eud","qcom,eud";
>> + reg = <0 0x88e0000 0 0x2000>,
>> + <0 0x88e2000 0 0x1000>;
>
> The example is compiled with #address-cells == #size-cells == 1, so
> drop
> the four lone 0s from the reg.
Ack
>
> Regards,
> Bjorn
>
>> + };
>> --
>> 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:[~2021-11-24 10:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-23 4:28 [PATCH V1 0/8] Add Embedded USB Debugger (EUD) driver Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 1/8] dt-bindings: Add the yaml bindings for EUD Souradeep Chowdhury
2021-11-23 16:34 ` Rob Herring
2021-11-24 3:38 ` Bjorn Andersson
2021-11-24 10:12 ` schowdhu [this message]
2021-11-23 4:28 ` [PATCH V1 2/8] dt-bindings: connector: Add property for EUD type-C connector Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 3/8] bindings: usb: dwc3: Update dwc3 properties for EUD connector Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 4/8] usb: dwc3: drd: Register the eud connector child node for dwc3 Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 5/8] soc: qcom: eud: Add driver support for Embedded USB Debugger(EUD) Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 6/8] arm64: dts: qcom: sc7280: Add EUD dt node and dwc3 connector Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 7/8] arm64: dts: qcom: sc7280: Set the default dr_mode for usb2 Souradeep Chowdhury
2021-11-23 4:28 ` [PATCH V1 8/8] MAINTAINERS: Add maintainer entry for EUD Souradeep Chowdhury
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