With a 32 bit value, the maximum frequency that the bindings can support is ~ 4 GHz. And that might fall short of what newer systems may have.
Allow opp-hz to be a 64 bit big-endian value.
Cc: Rob Herring rob.herring@linaro.org Cc: devicetree@vger.kernel.org Suggested-by: Stephen Boyd sboyd@codeaurora.org Suggested-by: Bartlomiej Zolnierkiewicz b.zolnierkie@samsung.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- Documentation/devicetree/bindings/power/opp.txt | 40 ++++++++++++------------- 1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/Documentation/devicetree/bindings/power/opp.txt b/Documentation/devicetree/bindings/power/opp.txt index 0d5e7c978121..0cb44dc21f97 100644 --- a/Documentation/devicetree/bindings/power/opp.txt +++ b/Documentation/devicetree/bindings/power/opp.txt @@ -88,7 +88,7 @@ This defines voltage-current-frequency combinations along with other related properties.
Required properties: -- opp-hz: Frequency in Hz +- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer.
Optional properties: - opp-microvolt: voltage in micro Volts. @@ -158,20 +158,20 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together. opp-shared;
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; clock-latency-ns = <290000>; turbo-mode; @@ -237,20 +237,20 @@ independently. */
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; opp-microamp = <90000; lock-latency-ns = <290000>; @@ -313,20 +313,20 @@ DVFS state together. opp-shared;
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; opp-microamp = <90000>; clock-latency-ns = <290000>; @@ -339,20 +339,20 @@ DVFS state together. opp-shared;
opp10 { - opp-hz = <1300000000>; + opp-hz = /bits/ 64 <1300000000>; opp-microvolt = <1045000 1050000 1055000>; opp-microamp = <95000>; clock-latency-ns = <400000>; opp-suspend; }; opp11 { - opp-hz = <1400000000>; + opp-hz = /bits/ 64 <1400000000>; opp-microvolt = <1075000>; opp-microamp = <100000>; clock-latency-ns = <400000>; }; opp12 { - opp-hz = <1500000000>; + opp-hz = /bits/ 64 <1500000000>; opp-microvolt = <1010000 1100000 1110000>; opp-microamp = <95000>; clock-latency-ns = <400000>; @@ -379,7 +379,7 @@ Example 4: Handling multiple regulators opp-shared;
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000>, /* Supply 0 */ <960000>, /* Supply 1 */ <960000>; /* Supply 2 */ @@ -392,7 +392,7 @@ Example 4: Handling multiple regulators /* OR */
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>, /* Supply 0 */ <960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>; /* Supply 2 */ @@ -405,7 +405,7 @@ Example 4: Handling multiple regulators /* OR */
opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>, /* Supply 0 */ <960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>; /* Supply 2 */ @@ -437,12 +437,12 @@ Example 5: Multiple OPP tables opp-shared;
opp00 { - opp-hz = <600000000>; + opp-hz = /bits/ 64 <600000000>; ... };
opp01 { - opp-hz = <800000000>; + opp-hz = /bits/ 64 <800000000>; ... }; }; @@ -453,12 +453,12 @@ Example 5: Multiple OPP tables opp-shared;
opp10 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; ... };
opp11 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; ... }; };