On Fri, May 25, 2018 at 03:31:16PM +0530, Rajendra Nayak wrote:
> The powerdomains for corners just pass the performance state set by the
> consumers to the RPM (Remote Power manager) which then takes care
> of setting the appropriate voltage on the corresponding rails to
> meet the performance needs.
>
> We add all powerdomain data needed on msm8996 here. This driver can easily
> be extended by adding data for other qualcomm SoCs as well.
>
> Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
> .../devicetree/bindings/power/qcom,rpmpd.txt | 55 ++++
> drivers/soc/qcom/Kconfig | 9 +
> drivers/soc/qcom/Makefile | 1 +
> drivers/soc/qcom/rpmpd.c | 299 ++++++++++++++++++
> 4 files changed, 364 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/qcom,rpmpd.txt
> create mode 100644 drivers/soc/qcom/rpmpd.c
>
> diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
> new file mode 100644
> index 000000000000..68f620a2af0d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
> @@ -0,0 +1,55 @@
> +Qualcomm RPM Powerdomains
> +
> +* For RPM powerdomains, we communicate a performance state to RPM
> +which then translates it into a corresponding voltage on a rail
> +
> +Required Properties:
> + - compatible: Should be one of the following
> + * qcom,msm8996-rpmpd: RPM Powerdomain for the msm8996 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:
> +
> + rpmpd: power-controller {
> + compatible = "qcom,msm8996-rpmpd";
> + #power-domain-cells = <1>;
> + operating-points-v2 = <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>,
> + <&rpmpd_opp_table>;
> + };
> +
> + rpmpd_opp_table: opp-table {
> + compatible = "operating-points-v2-qcom-level", "operating-points-v2";
> +
> + rpmpd_opp1: opp@1 {
unit-address without reg property is not valid.
> + qcom,level = <1>;
Is this the only property? If so, I don't see the point in trying to use
operating-points-v2 here.
Rob
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