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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
Subject: Re: [PATCH 2/7] soc: qcom: rpmpd: Add a powerdomain driver to model corners
Date: Sun, 18 Mar 2018 07:52:47 -0500	[thread overview]
Message-ID: <20180318125247.qrttjjuvr7xniwmu@rob-hp-laptop> (raw)
In-Reply-To: <20180316040824.21472-3-rnayak@codeaurora.org>

On Fri, Mar 16, 2018 at 09:38:19AM +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@codeaurora.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
>  .../devicetree/bindings/power/qcom,rpmpd.txt       |  14 +
>  drivers/soc/qcom/Kconfig                           |   9 +
>  drivers/soc/qcom/Makefile                          |   1 +
>  drivers/soc/qcom/rpmpd.c                           | 299 +++++++++++++++++++++
>  4 files changed, 323 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..4d7a4a1f054f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
> @@ -0,0 +1,14 @@
> +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,rpmpd-msm8996: RPM Powerdomain for the msm8996 family of SoC

qcom,msm8996-rpmpd

> + - power-domain-cells: number of cells in power domain specifier
> +	must be 1.
> + - domain-performance-state: One or more nodes describing the performance-states
> +	supported by the powerdomain.
> +	For domain-performance-state bindings refer to
> +	Documentation/devicetree/bindings/power/power_domain.txt

  reply	other threads:[~2018-03-18 12:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-16  4:08 [PATCH 0/7] Add powerdomain driver for corners on msm8996 Rajendra Nayak
2018-03-16  4:08 ` [PATCH 1/7] PM / OPP: Add dev_pm_opp_get_of_node() Rajendra Nayak
2018-04-07 13:00   ` Stephen Boyd
2018-04-09  3:22     ` Viresh Kumar
2018-04-09 15:17     ` Jordan Crouse
2018-03-16  4:08 ` [PATCH 2/7] soc: qcom: rpmpd: Add a powerdomain driver to model corners Rajendra Nayak
2018-03-18 12:52   ` Rob Herring [this message]
2018-03-16  4:08 ` [PATCH 3/7] dt-bindings: opp: Introduce qcom-opp bindings Rajendra Nayak
2018-03-16  4:33   ` Viresh Kumar
2018-03-26 22:22   ` Rob Herring
2018-04-07 13:05   ` Stephen Boyd
2018-03-16  4:08 ` [PATCH 4/7] soc: qcom: rpmpd: Add support for get/set performance state Rajendra Nayak
2018-03-16  4:35   ` Viresh Kumar
2018-03-16  5:52     ` Rajendra Nayak
2018-03-16  4:08 ` [PATCH 5/7] arm64: dts: msm8996: Add rpmpd device node Rajendra Nayak
2018-03-16  4:38   ` Viresh Kumar
2018-04-09 16:03   ` Stephen Boyd
2018-04-10  3:40     ` Viresh Kumar
2018-04-10  4:19     ` Rajendra Nayak
2018-03-16  4:08 ` [PATCH 6/7] mmc: sdhci-msm: Adapt the driver to use OPPs to set clocks/performance state Rajendra Nayak
2018-03-16  4:41   ` Viresh Kumar
2018-03-16  4:08 ` [PATCH 7/7] soc: qcom: rpmpd: Add a max vote on all corners at init Rajendra Nayak
2018-03-16  4:41   ` Viresh Kumar

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