Thanks Vinod. The fourth is going to be managed by ARM team. Regards On 09/27/2017 12:36 PM, Vinod Koul wrote: > On Fri, Sep 22, 2017 at 09:31:28AM +0200, Pierre-Yves MORDRET wrote: >> This patchset adds support for the STM32 DMA multiplexer. >> It allows to map any peripheral DMA request to any channel of the product >> DMAs. >> This IP has been introduced with STM32H7 SoC. > > Applied first three patches, thanks > >> --- >> Version history: >> v5: >> * Set selected channel ID within a lock to avoid race condition. >> Release if any error occurs >> v4: >> * Add multi-master ability for STM32 DMAMUX >> * Get rid of st,dmamux property and custom API between STM32 >> DMAMUX and DMA. Bindings has changed. >> DMAMUX will read DMA masters from Device Tree from now on. >> Merely one DMAMUX node is needed now. >> * Only STM32 DMA are allowed to be connected onto DMAMUX >> * channelID is computed locally within the driver and crafted in >> dma_psec to be passed toward DMA master. >> DMAMUX router sorts out which DMA master will serve the >> request automatically. >> * This version forbids the use of DMA in standalone and DMAMUX at >> the same time : all clients need to be connected either on DMA >> or DMAMUX ; no mix up >> v3: >> * change compatible to st,stm32h7-dmamux to be mode Soc specific >> * add verbosity in dma-cells >> --- >> >> Pierre-Yves MORDRET (4): >> dt-bindings: Document the STM32 DMAMUX bindings >> dmaengine: Add STM32 DMAMUX driver >> dt-bindings: stm32-dma: add a property to handle STM32 DMAMUX >> ARM: configs: stm32: Add DMAMUX support in STM32 defconfig >> >> .../devicetree/bindings/dma/stm32-dma.txt | 4 +- >> .../devicetree/bindings/dma/stm32-dmamux.txt | 84 ++++++ >> arch/arm/configs/stm32_defconfig | 1 + >> drivers/dma/Kconfig | 9 + >> drivers/dma/Makefile | 1 + >> drivers/dma/stm32-dmamux.c | 327 +++++++++++++++++++++ >> 6 files changed, 425 insertions(+), 1 deletion(-) >> create mode 100644 Documentation/devicetree/bindings/dma/stm32-dmamux.txt >> create mode 100644 drivers/dma/stm32-dmamux.c >> >> -- >> 2.7.4 >> > -- 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
