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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2015-06-22 15:23:27 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-06-22 15:23:27 +0300 |
| commit | 9f20d6815c6c537980b8a8fcb1a172c0b95bd99f (patch) | |
| tree | 75d9146c3d7b9c23847f90ed6d062d882a6ab4c2 /Documentation | |
| parent | a9a80e7e3177000344c3993411aada4d1e019f7c (diff) | |
| download | linux-9f20d6815c6c537980b8a8fcb1a172c0b95bd99f.tar.xz | |
PM / OPP: Add binding for 'opp-suspend'
On few platforms, for power efficiency, we want the device to be
configured for a specific OPP while we put the device in suspend state.
Add an optional property in operating-points-v2 bindings for that.
Suggested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/opp.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/opp.txt b/Documentation/devicetree/bindings/power/opp.txt index 3d5d32ca0f97..0d5e7c978121 100644 --- a/Documentation/devicetree/bindings/power/opp.txt +++ b/Documentation/devicetree/bindings/power/opp.txt @@ -120,6 +120,9 @@ Optional properties: frequency for a short duration of time limited by the device's power, current and thermal limits. +- opp-suspend: Marks the OPP to be used during device suspend. Only one OPP in + the table should have this. + - status: Marks the node enabled/disabled. Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together. @@ -159,6 +162,7 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together. opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; + opp-suspend; }; opp01 { opp-hz = <1100000000>; @@ -237,6 +241,7 @@ independently. opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; + opp-suspend; }; opp01 { opp-hz = <1100000000>; @@ -312,6 +317,7 @@ DVFS state together. opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; + opp-suspend; }; opp01 { opp-hz = <1100000000>; @@ -337,6 +343,7 @@ DVFS state together. opp-microvolt = <1045000 1050000 1055000>; opp-microamp = <95000>; clock-latency-ns = <400000>; + opp-suspend; }; opp11 { opp-hz = <1400000000>; |