Re: [PATCH v6 00/13] Enable I2C on SA8255p Qualcomm platforms

[Praveen Talari <praveen.talari@oss.qualcomm.com>]

Hi Andi.

On 23-05-2026 07:49, Bjorn Andersson wrote:
> On Fri, Feb 27, 2026 at 11:45:31AM +0530, Praveen Talari wrote:
>> The Qualcomm automotive SA8255p SoC relies on firmware to configure
>> platform resources, including clocks, interconnects and TLMM.
>> The driver requests resources operations over SCMI using power
>> and performance protocols.
>>
>> The SCMI power protocol enables or disables resources like clocks,
>> interconnect paths, and TLMM (GPIOs) using runtime PM framework APIs,
>> such as resume/suspend, to control power states(on/off).
>>
>> The SCMI performance protocol manages I2C frequency, with each
>> frequency rate represented by a performance level. The driver uses
>> geni_se_set_perf_opp() API to request the desired frequency rate..
>>
>> As part of geni_se_set_perf_opp(), the OPP for the requested frequency
>> is obtained using dev_pm_opp_find_freq_floor() and the performance
>> level is set using dev_pm_opp_set_opp().
>>
> @Andi, I've merged the soc-patches through an immutable branch into the
> qcom-tree for 7.2, please find this at:
>
>    https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git 20260227061544.1785978-1-praveen.talari@oss.qualcomm.com
>
> Regards,
> Bjorn
@Andi
I hope these I2C patches can be picked up now.

Feedback is welcome if anything further is needed.


Thanks,

Praveen Talari

>
>> Praveen Talari (13):
>>    soc: qcom: geni-se: Refactor geni_icc_get() and make qup-memory ICC
>>      path optional
>>    soc: qcom: geni-se: Add geni_icc_set_bw_ab() function
>>    soc: qcom: geni-se: Introduce helper API for resource initialization
>>    soc: qcom: geni-se: Handle core clk in geni_se_clks_off() and
>>      geni_se_clks_on()
>>    soc: qcom: geni-se: Add resources activation/deactivation helpers
>>    soc: qcom: geni-se: Introduce helper API for attaching power domains
>>    soc: qcom: geni-se: Introduce helper APIs for performance control
>>    dt-bindings: i2c: Describe SA8255p
>>    i2c: qcom-geni: Isolate serial engine setup
>>    i2c: qcom-geni: Move resource initialization to separate function
>>    i2c: qcom-geni: Use resources helper APIs in runtime PM functions
>>    i2c: qcom-geni: Store of_device_id data in driver private struct
>>    i2c: qcom-geni: Enable I2C on SA8255p Qualcomm platforms
>> ---
>> v3->v4
>> - Added a new patch(4/13) to handle core clk as part of
>>    geni_se_clks_off/on().
>>
>>   .../bindings/i2c/qcom,sa8255p-geni-i2c.yaml   |  64 ++++
>>   drivers/i2c/busses/i2c-qcom-geni.c            | 324 +++++++++---------
>>   drivers/soc/qcom/qcom-geni-se.c               | 270 ++++++++++++++-
>>   include/linux/soc/qcom/geni-se.h              |  19 +
>>   4 files changed, 491 insertions(+), 186 deletions(-)
>>   create mode 100644 Documentation/devicetree/bindings/i2c/qcom,sa8255p-geni-i2c.yaml
>>
>>
>> base-commit: 7d6661873f6b54c75195780a40d66bad3d482d8f
>> -- 
>> 2.34.1
>>