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ARM: OMAP3+: PRM: add generic API for reconfiguring I/O chain

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This adds a generic API for reconfiguring the I/O chain. The implementation
will call the SoC specific function registered during init time. The SoC
specific reconfigure functions are also made static, as they don't need
to be accessed outside the PRM driver itself.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: updated for recent omap3 prcm fixes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tero Kristo
2014-10-27 08:39:26 -07:00
committed by Tony Lindgren
parent 28db51f428
commit 4984eeaf71
7 changed files with 23 additions and 33 deletions
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16
arch/arm/mach-omap2/prm_common.c
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@@ -486,6 +486,22 @@ int omap_prm_is_hardreset_asserted(u8 shift, u8 part, s16 prm_mod, u16 offset)
return prm_ll_data->is_hardreset_asserted(shift, part, prm_mod, offset);
}
/**
* omap_prm_reconfigure_io_chain - clear latches and reconfigure I/O chain
*
* Clear any previously-latched I/O wakeup events and ensure that the
* I/O wakeup gates are aligned with the current mux settings.
* Calls SoC specific I/O chain reconfigure function if available,
* otherwise does nothing.
*/
void omap_prm_reconfigure_io_chain(void)
{
if (!prcm_irq_setup || !prcm_irq_setup->reconfigure_io_chain)
return;
prcm_irq_setup->reconfigure_io_chain();
}
/**
* prm_register - register per-SoC low-level data with the PRM
* @pld: low-level per-SoC OMAP PRM data & function pointers to register