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Signed-off-by: Burt P <pburt0@gmail.com>
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Signed-off-by: Burt P <pburt0@gmail.com>
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I don't have any hardware to test, this is based only on the
OPP kernel docs.
https://www.kernel.org/doc/Documentation/devicetree/bindings/opp/opp.txt
Signed-off-by: Burt P <pburt0@gmail.com>
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Requested by @lpereira in #286.
Signed-off-by: Burt P <pburt0@gmail.com>
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* opp-v2 = operating-points-v2, frequency scaling information
from device tree that can be used for cpu, gpu, etc.
* adds helper function to get the opp-v2 range of frequencies
for a node, dtr_get_opp_range() in dt_util.c
* adds a freq range in opp-v2 property for a node in dt
* reports a gpu's max clock frequency if avaiable via opp-v2
Signed-off-by: Burt P <pburt0@gmail.com>
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Signed-off-by: Burt P <pburt0@gmail.com>
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Signed-off-by: Burt P <pburt0@gmail.com>
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These stand alone interfaces and are used across modules, so just
make them available to any module by default.
Signed-off-by: Burt P <pburt0@gmail.com>
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