On 05/31/2018 09:01 AM, Rob Herring wrote:
> On Fri, May 25, 2018 at 03:31:20PM +0530, Rajendra Nayak wrote:
>> The RPMh powerdomain driver aggregates the corner votes from various
>> consumers for the ARC resources and communicates it to RPMh.
>>
>> We also add data for all powerdomains on sdm845 as part of the patch.
>> The driver can be extended to support other SoCs which support RPMh
>>
>> Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/power/qcom,rpmhpd.txt | 65 ++++
>> drivers/soc/qcom/Kconfig | 9 +
>> drivers/soc/qcom/Makefile | 1 +
>> drivers/soc/qcom/rpmhpd.c | 360 ++++++++++++++++++
>> 4 files changed, 435 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/power/qcom,rpmhpd.txt
>> create mode 100644 drivers/soc/qcom/rpmhpd.c
>>
>> diff --git a/Documentation/devicetree/bindings/power/qcom,rpmhpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmhpd.txt
>> new file mode 100644
>> index 000000000000..c1fa986c12ee
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/power/qcom,rpmhpd.txt
>> @@ -0,0 +1,65 @@
>> +Qualcomm RPMh Powerdomains
>> +
>> +* For RPMh powerdomains, we communicate a performance state to RPMh
>> +which then translates it into a corresponding voltage on a rail
>> +
>> +Required Properties:
>> + - compatible: Should be one of the following
>> + * qcom,sdm845-rpmhpd: RPMh powerdomain for the sdm845 family of SoC
>> + - power-domain-cells: number of cells in power domain specifier
>> + must be 1
>> + - operating-points-v2: Phandle to the OPP table for the power-domain.
>> + Refer to Documentation/devicetree/bindings/power/power_domain.txt
>> + and Documentation/devicetree/bindings/opp/qcom-opp.txt for more details
>> +
>> +Example:
>> +
>> + rpmhpd: power-controller {
>> + compatible = "qcom,sdm845-rpmhpd";
>> + #power-domain-cells = <1>;
>> + operating-points-v2 = <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>,
>> + <&rpmhpd_opp_table>;
>> + };
>> +
>> + rpmhpd_opp_table: opp-table {
>> + compatible = "operating-points-v2-qcom-level", "operating-points-v2";
>> +
>> + rpmhpd_opp1: opp@1 {
>> + qcom-corner = <16>;
>
> Is it corner or level?
It should be level, I will fix it up when I respin. thanks.
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