pmdomain: airoha: Add Airoha CPU PM Domain support

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Add Airoha CPU PM Domain support to control frequency and power of CPU
present on Airoha EN7581 SoC.

Frequency and power can be controlled with the use of the SMC command by
passing the performance state. The driver also expose a read-only clock
that expose the current CPU frequency with SMC command.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20250109131313.32317-1-ansuelsmth@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Christian Marangi 2025-01-09 14:12:57 +01:00 • committed by Ulf Hansson

parent 094041b176

commit 82e703dd43

3 changed files with 157 additions and 0 deletions

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12

drivers/pmdomain/mediatek/Kconfig

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1

drivers/pmdomain/mediatek/Makefile

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144

drivers/pmdomain/mediatek/airoha-cpu-pmdomain.c

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