Shane Synan 9baca41064 ipq806x: fix min<>target opp-microvolt DTS mixup ... Rearrange all voltage triplets for "opp_table0" to match the specifications. "opp-microvolt" and "opp-microvolt-<name>" triplets are in order of <target min max>, and NOT <min target max>. Previously, the CPU would *always* spend its time at the "minimum" voltage, ignoring the actual intended target. This is a regression from previous behavior. On an NBG6817 with a Qualcomm CPU of PVS bin #2... (see &opp_table0 -> opp-1725000000 -> opp-microvolt-speed0-pvs2-v0) * Before: /usr/bin/tail -n +1 /sys/kernel/debug/opp/cpu0/opp\:1725000000/supply-0/u_volt_* ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_max <== 1260000 ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_min <== 1200000 ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_target <== 1140000 * After: /usr/bin/tail -n +1 /sys/kernel/debug/opp/cpu0/opp\:1725000000/supply-0/u_volt_* ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_max <== 1260000 ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_min <== 1140000 ==> /sys/kernel/debug/opp/cpu0/opp:1725000000/supply-0/u_volt_target <== 1200000 To check voltages and frequencies at run time, use... /bin/cat /sys/kernel/debug/regulator/regulator_summary && /bin/cat /sys/kernel/debug/clk/clk_summary | grep "hfpll" See https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/devicetree/bindings/opp/opp.txt?h=v5.4.142#n91 Fixes: 1e25423be8 ("ipq806x: refresh dtsi patches") Signed-off-by: Shane Synan <digitalcircuit36939@gmail.com> Reviewed-by: Ansuel Smith <ansuelsmth@gmail.com> [commit message style cleanup, another kernel refresh] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>		2021-08-21 23:54:31 +02:00
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arch/arm/boot/dts	ipq806x: fix min<>target opp-microvolt DTS mixup	2021-08-21 23:54:31 +02:00