diff options
| author | Achin Gupta <achin.gupta@arm.com> | 2014-08-20 17:33:09 +0100 |
|---|---|---|
| committer | Achin Gupta <achin.gupta@arm.com> | 2014-08-20 19:38:58 +0100 |
| commit | bab7bfd282134483021411d0648719b0d6ecc038 (patch) | |
| tree | d7c6338c701eaed22d6d7214932f7b45895e314e /fdts/fvp-foundation-gicv2-psci.dts | |
| parent | f139a39a612e152706120529c640410e05fcc976 (diff) | |
FVP: Update device trees to match cpuidle driver
This patch updates the representation of idle tables and cpu/cluster topology in
the device tree source files for the FVP to what the latest cpuidle driver in
Linux expects. The device tree binaries have also been updated.
Change-Id: If0668b96234f65aa0435fba52f288c9378bd8824
Diffstat (limited to 'fdts/fvp-foundation-gicv2-psci.dts')
| -rw-r--r-- | fdts/fvp-foundation-gicv2-psci.dts | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/fdts/fvp-foundation-gicv2-psci.dts b/fdts/fvp-foundation-gicv2-psci.dts index 8d354b37..15ff4718 100644 --- a/fdts/fvp-foundation-gicv2-psci.dts +++ b/fdts/fvp-foundation-gicv2-psci.dts @@ -65,29 +65,73 @@ #address-cells = <2>; #size-cells = <0>; - cpu@0 { + cpu-map { + cluster0 { + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + core2 { + cpu = <&CPU2>; + }; + core3 { + cpu = <&CPU3>; + }; + }; + }; + + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + entry-method-param = <0x0010000>; + entry-latency-us = <40>; + exit-latency-us = <100>; + min-residency-us = <150>; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + entry-method-param = <0x1010000>; + entry-latency-us = <500>; + exit-latency-us = <1000>; + min-residency-us = <2500>; + }; + }; + + CPU0:cpu@0 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; - cpu@1 { + + CPU1:cpu@1 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x1>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; - cpu@2 { + + CPU2:cpu@2 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x2>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; - cpu@3 { + + CPU3:cpu@3 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x3>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; }; |