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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id w66sm45540879pfb.47.2019.05.21.20.31.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 21 May 2019 20:31:32 -0700 (PDT) Date: Tue, 21 May 2019 20:31:30 -0700 From: Bjorn Andersson To: Amit Kucheria Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, niklas.cassel@linaro.org, marc.w.gonzalez@free.fr, sibis@codeaurora.org, daniel.lezcano@linaro.org, Andy Gross , David Brown , Li Yang , Shawn Guo , devicetree@vger.kernel.org Subject: Re: [PATCH v2 5/9] arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states Message-ID: <20190522033130.GL3137@builder> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Tue 21 May 02:35 PDT 2019, Amit Kucheria wrote: > From: Niklas Cassel > > Add device bindings for cpuidle states for cpu devices. > > Signed-off-by: Niklas Cassel > Reviewed-by: Vinod Koul > [rename the idle-states to more generic names and fixups] > Signed-off-by: Amit Kucheria > Acked-by: Daniel Lezcano > --- Applied Regards, Bjorn > arch/arm64/boot/dts/qcom/qcs404.dtsi | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi > index e8fd26633d57..0a9b29af64c2 100644 > --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi > +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi > @@ -30,6 +30,7 @@ > compatible = "arm,cortex-a53"; > reg = <0x100>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > next-level-cache = <&L2_0>; > }; > > @@ -38,6 +39,7 @@ > compatible = "arm,cortex-a53"; > reg = <0x101>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > next-level-cache = <&L2_0>; > }; > > @@ -46,6 +48,7 @@ > compatible = "arm,cortex-a53"; > reg = <0x102>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > next-level-cache = <&L2_0>; > }; > > @@ -54,6 +57,7 @@ > compatible = "arm,cortex-a53"; > reg = <0x103>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > next-level-cache = <&L2_0>; > }; > > @@ -61,6 +65,20 @@ > compatible = "cache"; > cache-level = <2>; > }; > + > + idle-states { > + entry-method = "psci"; > + > + CPU_SLEEP_0: cpu-sleep-0 { > + compatible = "arm,idle-state"; > + idle-state-name = "standalone-power-collapse"; > + arm,psci-suspend-param = <0x40000003>; > + entry-latency-us = <125>; > + exit-latency-us = <180>; > + min-residency-us = <595>; > + local-timer-stop; > + }; > + }; > }; > > firmware { > -- > 2.17.1 >