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From: Ulf Hansson <ulf.hansson@linaro.org>
To: Rajendra Nayak <rnayak@codeaurora.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	linux-serial@vger.kernel.org, linux-spi@vger.kernel.org,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Doug Anderson <dianders@chromium.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Subject: Re: [RFC v2 08/11] arm64: dts: sdm845: Add ufs opps and power-domains
Date: Tue, 14 May 2019 09:53:34 +0200
Message-ID: <CAPDyKFppirfM7B9TB=jZzo67E=rdMnfVKEjdv0wn1zBAUoY_HA@mail.gmail.com> (raw)
In-Reply-To: <20190320094918.20234-9-rnayak@codeaurora.org>

On Wed, 20 Mar 2019 at 10:50, Rajendra Nayak <rnayak@codeaurora.org> wrote:
>
> Add the additional power domain and the OPP table for ufs on sdm845
> so the driver can set the appropriate performance state of the
> power domain while setting the clock rate.
>
> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 20 +++++++++++++++++++-
>  1 file changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 027ffe6e93e8..a3af4a1757b4 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -1140,6 +1140,21 @@
>                         };
>                 };
>
> +               ufs_opp_table: ufs-opp-table {
> +                       compatible = "operating-points-v2";
> +
> +                       opp-50000000 {
> +                               opp-hz = /bits/ 64 <50000000>;
> +                               required-opps = <&rpmhpd_opp_min_svs>;
> +                       };
> +
> +                       opp-200000000 {
> +                               opp-hz = /bits/ 64 <200000000>;
> +                               required-opps = <&rpmhpd_opp_nom>;
> +
> +                       };
> +               };
> +
>                 ufs_mem_hc: ufshc@1d84000 {
>                         compatible = "qcom,sdm845-ufshc", "qcom,ufshc",
>                                      "jedec,ufs-2.0";
> @@ -1148,7 +1163,7 @@
>                         phys = <&ufs_mem_phy_lanes>;
>                         phy-names = "ufsphy";
>                         lanes-per-direction = <2>;
> -                       power-domains = <&gcc UFS_PHY_GDSC>;
> +                       power-domains = <&gcc UFS_PHY_GDSC>, <&rpmhpd SDM845_CX>;

You probably want to use "power-domain-names" as well.

[...]

Kind regards
Uffe

  reply index

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-20  9:49 [RFC v2 00/11] DVFS in the OPP core Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 01/11] OPP: Don't overwrite rounded clk rate Rajendra Nayak
2019-06-11 10:54   ` Viresh Kumar
2019-06-12  7:42     ` Rajendra Nayak
2019-06-12  8:25       ` Viresh Kumar
2019-06-13  9:54         ` Viresh Kumar
2019-06-14  5:27           ` Viresh Kumar
2019-06-17  3:50             ` Viresh Kumar
2019-06-17  4:07               ` Rajendra Nayak
2019-06-17  4:17                 ` Viresh Kumar
2019-06-17  4:25                   ` Rajendra Nayak
2019-06-14  5:54           ` Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 02/11] OPP: Make dev_pm_opp_set_rate() with freq=0 as valid Rajendra Nayak
2019-06-14  6:32   ` Viresh Kumar
2019-06-17  4:04     ` Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 03/11] tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 04/11] spi: spi-geni-qcom: " Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 05/11] arm64: dts: sdm845: Add OPP table for all qup devices Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 06/11] scsi: ufs: Add support to manage multiple power domains in ufshcd-pltfrm Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 07/11] scsi: ufs: Add support for specifying OPP tables in DT Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 08/11] arm64: dts: sdm845: Add ufs opps and power-domains Rajendra Nayak
2019-05-14  7:53   ` Ulf Hansson [this message]
2019-03-20  9:49 ` [RFC v2 09/11] drm/msm/dpu: Use OPP API to set clk/perf state Rajendra Nayak
2019-04-10  3:49   ` Viresh Kumar
2019-04-10  3:49     ` Viresh Kumar
2019-03-20  9:49 ` [RFC v2 10/11] drm/msm: dsi: " Rajendra Nayak
2019-03-20  9:49 ` [RFC v2 11/11] arm64: dts: sdm845: Add DSI and MDP OPP tables and power-domains Rajendra Nayak
2019-04-10  3:51 ` [RFC v2 00/11] DVFS in the OPP core Viresh Kumar
2019-04-10  3:51   ` Viresh Kumar
2019-05-21  6:22 ` Viresh Kumar
2019-05-24  6:03   ` Rajendra Nayak
2019-06-17  4:26 ` Viresh Kumar

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