Define power domain and the power states for the domain as defined by the PSCI firmware.
Signed-off-by: Lina Iyer <[email protected]> --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 48 ++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 5806438..3ea8126 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -47,12 +47,32 @@ #address-cells = <1>; #size-cells = <0>; + cpu-map { + cluster0 { + cluster = <&CLUSTER0>; + + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + core2 { + cpu = <&CPU2>; + }; + core3 { + cpu = <&CPU3>; + }; + }; + }; + CPU0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU1: cpu@1 { @@ -61,6 +81,7 @@ reg = <0x1>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU2: cpu@2 { @@ -69,6 +90,7 @@ reg = <0x2>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU3: cpu@3 { @@ -77,6 +99,7 @@ reg = <0x3>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; idle-states { @@ -89,8 +112,31 @@ min-residency-us = <2000>; }; }; + + CLUSTER0: cluster@0 { + #power-domain-cells = <0>; + power-states = <&CLUSTER_RET>, <&CLUSTER_PWR_DWN>; + }; + + cluster-power-states { + CLUSTER_RET: power-state@1 { + compatible = "linux,domain-state"; + state-param = <0x1000010>; + entry-latency-us = <500>; + exit-latency-us = <500>; + residency-us = <2000>; + }; + + CLUSTER_PWR_DWN: power-state@2 { + compatible = "linux,domain-state"; + state-param = <0x1000030>; + entry-latency-us = <2000>; + exit-latency-us = <2000>; + residency-us = <6000>; + }; + }; }; - + psci { compatible = "arm,psci-1.0"; method = "smc"; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
