Re: [PATCH v3 1/2] dt-bindings: cpufreq: qcom-hw: Document Shikra CPUFREQ Hardware

[Imran Shaik <imran.shaik@oss.qualcomm.com>]

On 22-05-2026 12:04 pm, Krzysztof Kozlowski wrote:
> On Thu, May 21, 2026 at 07:36:04PM +0530, Imran Shaik wrote:
>> The Qualcomm Shikra cpufreq hardware is functionally identical to EPSS,
>> but supports only up to 12 frequency lookup table (LUT) entries. Introduce
>> Shikra specific bindings to represent this constrained EPSS variant.
>>
>> Signed-off-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
>> ---
>>   .../bindings/cpufreq/qcom,shikra-epss.yaml         | 96 ++++++++++++++++++++++
>>   1 file changed, 96 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/cpufreq/qcom,shikra-epss.yaml b/Documentation/devicetree/bindings/cpufreq/qcom,shikra-epss.yaml
>> new file mode 100644
>> index 0000000000000000000000000000000000000000..8543fd00d82acdbb3422bde462417118aa4c49d1
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/cpufreq/qcom,shikra-epss.yaml
>> @@ -0,0 +1,96 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/cpufreq/qcom,shikra-epss.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: CPUFREQ HW for Qualcomm Shikra SoC
> 
> Qualcomm Shikra SoC EPSS
> 
>> +
>> +maintainers:
>> +  - Imran Shaik <imran.shaik@oss.qualcomm.com>
>> +  - Taniya Das <taniya.das@oss.qualcomm.com>
>> +
>> +description: |
>> +  CPUFREQ HW is a hardware engine used by some Qualcomm SoCs to manage
> 
> EPSS is a ....
> 
>> +  frequency in hardware. It is capable of controlling frequency for
>> +  multiple clusters.
>> +
>> +  The Qualcomm Shikra CPUFREQ HW supports up to 12 frequency lookup table
> 
> here as well, like I mentioned last time. cpufreq is linuxism and I
> asked you about name of actual device.
> 

Sure, will drop CPUFREQ and use EPSS as you mentioned, and post next series.

Thanks,
Imran

> With above:
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
> 
> Best regards,
> Krzysztof
>