Re: [PATCH v2 00/10] ARM: DTS/clk: DRA7 family: enable eDMA and audio updates
From: Peter Ujfalusi
Date: Mon Apr 11 2016 - 09:34:41 EST
Tony,
according to Nishanth, linux-next is broken for dra7 family:
http://pastebin.ubuntu.com/15758542/ on x15 next-20160411
because of the missing DT patches.
Do you want me to resend this series w/o the hwmod patch?
--
Péter
On 03/07/16 17:17, Peter Ujfalusi wrote:
> Hi,
>
> Changes since v1:
> - hwmod patch for eDMA (tpcc/tptc0/tptc1) removed as it is already in linux-next
> - mcasp hwmod changes:
> - all module have HWMOD_OPT_CLKS_NEEDED and no HWMOD_SWSUP_SIDLE (per Paul's
> comment)
> - mcasp1,2: add ahclkr as opt clock since those modules have fclk, ahclkx and
> ahclkr marked as functional clocks.
> Same change is added to the DTS patch
>
> On dra7 family we have two DMA engine available: sDMA (omap-dma) and eDMA.
> For some peripherals the use of eDMA is better due to L3 interconnect limitation
> when using sDMA. Such peripherals are McASP1/2/3. By switching to eDMA we can
> enable the AFIFO which will help to avoid under or overruns in audio.
>
> This set will:
> - add the hwmod data for eDMA TPCC and TPTCs
> - add the needed DT nodes for eDMA and the crossbar
> - we will enable the AFIFO use for audio
> - add hwmod data and DT nodes for all McASP ports
> - Fix the beagle-x15's clkout2 parent setting for the codec
>
> The patch set has been tested on top of linux-next.
>
> Regards,
> Peter
> ---
> Misael Lopez Cruz (1):
> ARM: DTS: dra7: Use eDMA and add DAT port address for McASP3
>
> Peter Ujfalusi (9):
> ARM: DTS: dra7: Move the sDMA crossbar node under l4_cfg/scm
> ARM: DTS: dra7: Enable eDMA
> ARM: DTS: dra7-evm: Enable AFIFO use for McASP3
> ARM: DTS: dra72-evm: Enable AFIFO use for McASP3
> ARM: DTS: am57xx-beagle-x15: Move clkout2 source selection to codec
> node
> ARM: DTS: am57xx-beagle-x15: Enable AFIFO use for McASP3
> ARM: clk: dra7xx: Correct mcasp8_ahclkx_mux name
> ARM: DRA7: hwmod: Add data for McASP1/2/4/5/6/7/8
> ARM: DTS: dra7: Add nodes for McASP1/2/4/5/6/7/8
>
> arch/arm/boot/dts/am57xx-beagle-x15.dts | 7 +-
> arch/arm/boot/dts/dra7-evm.dts | 2 +
> arch/arm/boot/dts/dra7.dtsi | 183 +++++++++++++++++++++--
> arch/arm/boot/dts/dra72-evm.dts | 2 +
> arch/arm/boot/dts/dra7xx-clocks.dtsi | 2 +-
> arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 237 ++++++++++++++++++++++++++++++
> drivers/clk/ti/clk-7xx.c | 2 +-
> 7 files changed, 421 insertions(+), 14 deletions(-)
>