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soc: ti: omap-prm: Add basic power domain support

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The PRM controller has currently only support for resets while the power
domains are still handled in the platform code.

Let's add basic power domain support to enable and disable a PRM
controlled power domain if configured in the devicetree. This can be
used for various hardware accelerators, and interconnect instances.

Further support can be added later on as needed for runtime configuration
based on domain-idle-states.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2020-07-02 08:45:09 -07:00
parent de104a292d
commit 58cbff023b
2 changed files with 228 additions and 1 deletions
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1
arch/arm/mach-omap2/Kconfig
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@ -7,6 +7,7 @@ config ARCH_OMAP2
depends on ARCH_MULTI_V6
select ARCH_OMAP2PLUS
select CPU_V6
select PM_GENERIC_DOMAINS if PM
select SOC_HAS_OMAP2_SDRC
config ARCH_OMAP3