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cpufreq: dt: Add support for interconnect bandwidth scaling

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In addition to clocks and regulators, some devices can scale the bandwidth
of their on-chip interconnect - for example between CPU and DDR memory. Add
support for that, so that platforms which support it can make use of it.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
[ Viresh: Reused dev_pm_opp_of_find_icc_paths(). Also drop the depends
	  on from Kconfig. ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

fixup! cpufreq: dt: Add support for interconnect bandwidth scaling
This commit is contained in:
Georgi Djakov 2020-05-12 15:53:24 +03:00 committed by Viresh Kumar
parent fe2af40250
commit 8b17f17a09
1 changed files with 4 additions and 0 deletions
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4
drivers/cpufreq/cpufreq-dt.c
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@ -121,6 +121,10 @@ static int resources_available(void)
clk_put(cpu_clk);
ret = dev_pm_opp_of_find_icc_paths(cpu_dev, NULL);
if (ret)
return ret;
name = find_supply_name(cpu_dev);
/* Platform doesn't require regulator */
if (!name)