linux-kernel - Re: [PATCH v1 1/4] dt-bindindgs: i2c: qcom,i2c-geni: Document shared flag

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Message-ID: <b2cfda34-f8e2-4db2-b4d4-9c707bfc8417@linaro.org>
Date: Thu, 29 Aug 2024 11:01:37 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>,
 konrad.dybcio@...aro.org, andersson@...nel.org, andi.shyti@...nel.org,
 linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org
Cc: quic_vdadhani@...cinc.com
Subject: Re: [PATCH v1 1/4] dt-bindindgs: i2c: qcom,i2c-geni: Document shared
 flag

On 29/08/2024 10:58, Bryan O'Donoghue wrote:
> On 29/08/2024 10:24, Mukesh Kumar Savaliya wrote:
>> Adds qcom,shared-se flag usage. Use this when particular I2C serial
>> controller needs to be shared between two subsystems.
>>
>> Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>
>> ---
>>   Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git 
>> a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml 
>> b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
>> index 9f66a3bb1f80..ae423127f736 100644
>> --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
>> +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
>> @@ -60,6 +60,10 @@ properties:
>>     power-domains:
>>       maxItems: 1
>> +  qcom,shared-se:
>> +    description: True if I2C needs to be shared between two or more 
>> subsystems.
>> +    type: boolean
>> +
>>     reg:
>>       maxItems: 1
> 
> SE = shared execution ?
> 
> ---
> bod
> 

Serial Engines

This is a good example of defining TLAs

commit eddac5af06546d2e7a0730e3dc02dde3dc91098a
Author: Karthikeyan Ramasubramanian <kramasub@...eaurora.org>
Date:   Fri Mar 30 11:08:17 2018 -0600

     soc: qcom: Add GENI based QUP Wrapper driver

     This driver manages the Generic Interface (GENI) firmware based
     Qualcomm Universal Peripheral (QUP) Wrapper. GENI based QUP is the
     next generation programmable module composed of multiple Serial
     Engines (SE)

...