From: Rob Herring <robh@kernel.org>
To: Rajendra Nayak <rnayak@codeaurora.org>
Cc: viresh.kumar@linaro.org, sboyd@kernel.org, andy.gross@linaro.org,
ulf.hansson@linaro.org, devicetree@vger.kernel.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
collinsd@codeaurora.org
Subject: Re: [PATCH v2 5/6] soc: qcom: rpmh powerdomain driver
Date: Wed, 30 May 2018 22:31:10 -0500 [thread overview]
Message-ID: <20180531033110.GA19195@rob-hp-laptop> (raw)
In-Reply-To: <20180525100121.28214-6-rnayak@codeaurora.org>
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@codeaurora.org>
> ---
> .../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?
> + };
> +
> + rpmhpd_opp2: opp@2 {
> + qcom-corner = <48>;
> + };
> +
> + rpmhpd_opp3: opp@3 {
> + qcom-corner = <64>;
> + };
> +
> + rpmhpd_opp4: opp@4 {
> + qcom-corner = <128>;
> + };
> +
> + rpmhpd_opp5: opp@5 {
> + qcom-corner = <192>;
> + };
> +
> + rpmhpd_opp6: opp@6 {
> + qcom-corner = <256>;
> + };
> +
> + rpmhpd_opp7: opp@7 {
> + qcom-corner = <320>;
> + };
> +
> + rpmhpd_opp8: opp@8 {
> + qcom-corner = <416>;
> + };
> + };
next prev parent reply other threads:[~2018-05-31 3:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 10:01 [PATCH v2 0/6] Add powerdomain driver for corners on msm8996/sdm845 Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 1/6] soc: qcom: rpmpd: Add a powerdomain driver to model corners Rajendra Nayak
2018-05-30 9:17 ` Ulf Hansson
2018-05-30 10:14 ` Rajendra Nayak
2018-05-30 12:44 ` Ulf Hansson
2018-05-31 4:20 ` Rajendra Nayak
2018-05-31 11:09 ` Ulf Hansson
2018-05-30 18:27 ` David Collins
2018-05-31 3:53 ` Rajendra Nayak
2018-05-31 3:27 ` Rob Herring
2018-05-31 4:14 ` Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 2/6] dt-bindings: opp: Introduce qcom-opp bindings Rajendra Nayak
2018-05-25 22:33 ` David Collins
2018-05-29 9:49 ` Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 3/6] soc: qcom: rpmpd: Add support for get/set performance state Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 4/6] arm64: dts: msm8996: Add rpmpd device node Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 5/6] soc: qcom: rpmh powerdomain driver Rajendra Nayak
2018-05-26 1:08 ` David Collins
2018-05-29 10:19 ` Rajendra Nayak
2018-05-29 19:03 ` David Collins
2018-05-30 8:55 ` Rajendra Nayak
2018-05-30 9:44 ` Viresh Kumar
2018-05-30 10:07 ` Rajendra Nayak
2018-06-01 8:48 ` Rajendra Nayak
2018-06-01 19:19 ` David Collins
2018-06-13 18:29 ` Lina Iyer
2018-05-31 3:31 ` Rob Herring [this message]
2018-05-31 4:15 ` Rajendra Nayak
2018-05-25 10:01 ` [PATCH v2 6/6] soc: qcom: rpmpd/rpmhpd: Add a max vote on all corners at init Rajendra Nayak
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