Re: [PATCH v2 0/2] ARM: OMAP2+ McASP(3) support for DRA7xx family
From: Peter Ujfalusi
Date: Tue Oct 27 2015 - 04:38:44 EST
On 10/14/2015 12:23 PM, Peter Ujfalusi wrote:
> Hi Paul,
> This is the followup series for the hwmod changes needed to get audio working
> on DRA7xx family based boards.
> The DTS patches has been applied by Tony from the original series:
> I have addressed your comments in the hwmod data and did some research also
> regarding to the use of ahclkx as fclk in the original submission.
> It turned out that McASP _needs_ all clocks to be enabled (fclk, iclk and
> ahclkx/r) to be able to access registers. The original patch where we handled
> the ahclkx as fclk worked, because the fclk clock got enabled in the HW w/o
> any SW interaction.
> All in all, the McASP found in DRA7 needs all clocks to be enabled.
> To satisfy this I have introduced a new flag to hwmod, which means that the
> listed optional clocks need to be handled alongside with the fclk clock.
Can you, please look at this patch?
> Peter Ujfalusi (2):
> ARM: OMAP2+: hwmod: Add hwmod flag for HWMOD_OPT_CLKS_NEEDED
> ARM: OMAP: DRA7: hwmod: Add data for McASP3
> arch/arm/mach-omap2/omap_hwmod.c | 66 +++++++++++++++++--------------
> arch/arm/mach-omap2/omap_hwmod.h | 3 ++
> arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 56 ++++++++++++++++++++++++++
> 3 files changed, 95 insertions(+), 30 deletions(-)
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