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authorBenoit Cousson <bcousson@baylibre.com>2014-06-03 21:02:24 +0900
committerSimon Horman <horms+renesas@verge.net.au>2014-06-17 19:58:20 +0900
commitb989e1386385466761f703b8a91e00468bb5ca2a (patch)
tree6c61a97c5d2b93fa551e53663000957af3681bc9 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentARM: shmobile: lager: Add VDD MPU regulator for DVFS (diff)
downloadlinux-dev-b989e1386385466761f703b8a91e00468bb5ca2a.tar.xz
linux-dev-b989e1386385466761f703b8a91e00468bb5ca2a.zip
ARM: shmobile: r8a7790/lager dts: Add DVFS parameters into cpu0 node for r8a7790
Add needed information inside CPU0 for the generic cpufreq-cpu0 driver. - voltage-tolerance = 1% It reflects the tolerance for the CPU voltage defined inside the OPP table. Due to the lack of proper OPP definition, use an arbitrary safe value. - clock-latency = 300 us Approximate worst-case latency to do a full DVFS transition for every OPPs. Due to the lack of HW information, use an arbitrary safe value. Note: The term transition-latency will be more accurate to define this value since the clock transition latency is not the only parameter that will define the overall DVFS transition. - operating-points = < kHz - uV > List of 6 operating points. All of them are using the same voltage since the valid Vmin voltage is not documented in the HW spec. - clocks phandle to the CPU clock source. This clock source is used for all the 4 CortexA15 located inside the same cluster. Signed-off-by: Benoit Cousson <bcousson+renesas@baylibre.com> [gaku.inami.xw@bp.renesas.com: Change the setting of OPPs for ES2.0] Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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