Hi,
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 (10):
ARM: DTS: dra7: Move the sDMA crossbar node under l4_cfg/scm
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
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 | 181 ++++++++++++++++-
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 | 323 ++++++++++++++++++++++++++++++
drivers/clk/ti/clk-7xx.c | 2 +-
7 files changed, 505 insertions(+), 14 deletions(-)
--
2.7.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
