From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lina Iyer Subject: [PATCH v3 14/15] ARM64: dts: Add PSCI cpuidle support for MSM8916 Date: Thu, 4 Aug 2016 17:05:01 -0600 Message-ID: <1470351902-43103-15-git-send-email-lina.iyer@linaro.org> References: <1470351902-43103-1-git-send-email-lina.iyer@linaro.org> Return-path: In-Reply-To: <1470351902-43103-1-git-send-email-lina.iyer@linaro.org> Sender: linux-pm-owner@vger.kernel.org To: ulf.hansson@linaro.org, khilman@kernel.org, rjw@rjwysocki.net, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: andy.gross@linaro.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, Lina Iyer , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Add device bindings for CPUs to suspend using PSCI as the enable-method. Cc: Signed-off-by: Lina Iyer --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 9681200..3029773 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -62,6 +62,8 @@ compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0>; next-level-cache = <&L2_0>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SPC>; }; CPU1: cpu@1 { @@ -69,6 +71,8 @@ compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x1>; next-level-cache = <&L2_0>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SPC>; }; CPU2: cpu@2 { @@ -76,6 +80,8 @@ compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x2>; next-level-cache = <&L2_0>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SPC>; }; CPU3: cpu@3 { @@ -83,12 +89,30 @@ compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x3>; next-level-cache = <&L2_0>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SPC>; }; L2_0: l2-cache { compatible = "cache"; cache-level = <2>; }; + + idle-states { + CPU_SPC: spc { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x40000002>; + entry-latency-us = <130>; + exit-latency-us = <150>; + min-residency-us = <2000>; + local-timer-stop; + }; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; }; timer { -- 2.7.4