Messages in this thread Patch in this message |  | | From | Amit Kucheria <> | Subject | [PATCHv1 5/8] arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states | Date | Fri, 10 May 2019 16:59:43 +0530 |
| |
From: Niklas Cassel <niklas.cassel@linaro.org>
Add device bindings for cpuidle states for cpu devices.
[amit: rename the idle-states to more generic names and fixups]
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org> Reviewed-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> --- 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..369c59c35bc7 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
|  |