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H A D | clk-exynos850.c | 579839a9 Sun Nov 21 17:27:37 CST 2021 Sam Protsenko <semen.protsenko@linaro.org> clk: samsung: exynos850: Implement CMU_APM domain
CMU_APM clock domain provides clocks for APM IP-core (Active Power Management). According to Exynos850 TRM, CMU_APM generates I3C, Mailbox, Speedy, Timer, WDT, RTC and PMU clocks for BLK_ALIVE.
This patch adds next clocks: - bus clocks in CMU_TOP needed for CMU_APM - all internal CMU_APM clocks - leaf clocks for I3C, Speedy and RTC IP-cores - bus clocks for CMU_CMGP and CMU_CHUB
CMU_APM doesn't belong to Power Domains, but platform driver is used for its registration to keep its bus clock always running. Otherwise rtc-s3c driver disables that clock and system freezes.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Link: https://lore.kernel.org/r/20211121232741.6967-3-semen.protsenko@linaro.org
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