Merge tag 'dmaengine-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "Core:
   - Add Frank Li as susbstem reviewer to help with reviews

  New Support:
   - Mediatek support for Dimensity 6300 and 9200 controller
   - Qualcomm Kaanapali and Glymur GPI DMA engine
   - Synopsis DW AXI Agilex5
   - Renesas RZ/V2N SoC
   - Atmel microchip lan9691-dma
   - Tegra ADMA tegra264

  Updates:
   - sg_nents_for_dma() helper use in subsystem
   - pm_runtime_mark_last_busy() redundant call update for subsystem
   - Residue support for xilinx AXIDMA driver
   - Intel Max SGL Size Support and capabilities for DSA3.0
   - AXI dma larger than 32bits address support"

* tag 'dmaengine-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (64 commits)
  dmaengine: add Frank Li as reviewer
  dt-bindings: dma: qcom,gpi: Update max interrupts lines to 16
  dmaengine: fsl-edma: don't explicitly disable clocks in .remove()
  dmaengine: xilinx: xdma: use sg_nents_for_dma() helper
  dmaengine: sh: use sg_nents_for_dma() helper
  dmaengine: sa11x0: use sg_nents_for_dma() helper
  dmaengine: qcom: bam_dma: use sg_nents_for_dma() helper
  dmaengine: qcom: adm: use sg_nents_for_dma() helper
  dmaengine: pxa-dma: use sg_nents_for_dma() helper
  dmaengine: lgm: use sg_nents_for_dma() helper
  dmaengine: k3dma: use sg_nents_for_dma() helper
  dmaengine: dw-axi-dmac: use sg_nents_for_dma() helper
  dmaengine: bcm2835-dma: use sg_nents_for_dma() helper
  dmaengine: axi-dmac: use sg_nents_for_dma() helper
  dmaengine: altera-msgdma: use sg_nents_for_dma() helper
  scatterlist: introduce sg_nents_for_dma() helper
  dmaengine: idxd: Add Max SGL Size Support for DSA3.0
  dmaengine: idxd: Expose DSA3.0 capabilities through sysfs
  dmaengine: sh: rz-dmac: Make channel irq local
  dmaengine: pl08x: Fix comment stating the difference between PL080 and PL081
  ...

Author: torvalds

Documentation/ABI/stable/sysfs-driver-dma-idxd

@@ -136,6 +136,21 @@ Description:	The last executed device administrative command's status/error.
 		Also last configuration error overloaded.
 		Writing to it will clear the status.
 
+What:		/sys/bus/dsa/devices/dsa<m>/dsacaps
+Date:		April 5, 2026
+KernelVersion:	6.20.0
+Contact:	dmaengine@vger.kernel.org
+Description:	The DSA3 specification introduces three new capability
+		registers: dsacap[0-2]. User components (e.g., configuration
+		libraries and workload applications) require this information
+		to properly utilize the DSA3 features.
+		This includes SGL capability support, Enabling hardware-specific
+		optimizations, Configuring memory, etc.
+		The output format is '<dsacap2>,<dsacap1>,<dsacap0>' where each
+		DSA cap value is a 64 bit hex value.
+		This attribute should only be visible on DSA devices of version
+		3 or later.
+
 What:		/sys/bus/dsa/devices/dsa<m>/iaa_cap
 Date:		Sept 14, 2022
 KernelVersion: 6.0.0

Documentation/devicetree/bindings/dma/arm-pl08x.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/dma/arm-pl08x.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: ARM PrimeCells PL080 and PL081 and derivatives DMA controller
+title: ARM PrimeCell PL080 and PL081 and derivatives DMA controller
 
 maintainers:
   - Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/dma/atmel,sama5d4-dma.yaml

@@ -33,7 +33,9 @@ properties:
               - microchip,sam9x7-dma
           - const: atmel,sama5d4-dma
       - items:
-          - const: microchip,sama7d65-dma
+          - enum:
+              - microchip,lan9691-dma
+              - microchip,sama7d65-dma
           - const: microchip,sama7g5-dma
 
   "#dma-cells":

Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml

@@ -7,6 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: MediaTek UART APDMA controller
 
 maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
   - Long Cheng <long.cheng@mediatek.com>
 
 description: |
@@ -23,11 +24,29 @@ properties:
           - enum:
               - mediatek,mt2712-uart-dma
               - mediatek,mt6795-uart-dma
+              - mediatek,mt8173-uart-dma
+              - mediatek,mt8183-uart-dma
               - mediatek,mt8365-uart-dma
               - mediatek,mt8516-uart-dma
           - const: mediatek,mt6577-uart-dma
+      - items:
+          - enum:
+              - mediatek,mt7988-uart-dma
+              - mediatek,mt8186-uart-dma
+              - mediatek,mt8188-uart-dma
+              - mediatek,mt8192-uart-dma
+              - mediatek,mt8195-uart-dma
+          - const: mediatek,mt6835-uart-dma
+      - items:
+          - enum:
+              - mediatek,mt6991-uart-dma
+              - mediatek,mt8196-uart-dma
+          - const: mediatek,mt6985-uart-dma
       - enum:
           - mediatek,mt6577-uart-dma
+          - mediatek,mt6795-uart-dma
+          - mediatek,mt6835-uart-dma
+          - mediatek,mt6985-uart-dma
 
   reg:
     minItems: 1
@@ -58,6 +77,7 @@ properties:
 
   mediatek,dma-33bits:
     type: boolean
+    deprecated: true
     description: Enable 33-bits UART APDMA support
 
 required:

Documentation/devicetree/bindings/dma/qcom,gpi.yaml

@@ -24,6 +24,8 @@ properties:
           - qcom,sm6350-gpi-dma
       - items:
           - enum:
+              - qcom,glymur-gpi-dma
+              - qcom,kaanapali-gpi-dma
               - qcom,milos-gpi-dma
               - qcom,qcm2290-gpi-dma
               - qcom,qcs8300-gpi-dma
@@ -58,7 +60,7 @@ properties:
     description:
       Interrupt lines for each GPI instance
     minItems: 1
-    maxItems: 13
+    maxItems: 16
 
   "#dma-cells":
     const: 3

Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml

@@ -24,6 +24,7 @@ properties:
       - items:
           - enum:
               - renesas,r9a09g047-dmac # RZ/G3E
+              - renesas,r9a09g056-dmac # RZ/V2N
           - const: renesas,r9a09g057-dmac
 
       - const: renesas,r9a09g057-dmac # RZ/V2H(P)

Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

@@ -17,11 +17,15 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - snps,axi-dma-1.01a
-      - intel,kmb-axi-dma
-      - starfive,jh7110-axi-dma
-      - starfive,jh8100-axi-dma
+    oneOf:
+      - enum:
+          - snps,axi-dma-1.01a
+          - intel,kmb-axi-dma
+          - starfive,jh7110-axi-dma
+          - starfive,jh8100-axi-dma
+      - items:
+          - const: altr,agilex5-axi-dma
+          - const: snps,axi-dma-1.01a
 
   reg:
     minItems: 1

Documentation/driver-api/dmaengine/provider.rst

@@ -411,7 +411,7 @@ supported.
   - This structure can be initialized using the function
     ``dma_async_tx_descriptor_init``.
 
-  - You'll also need to set two fields in this structure:
+  - You'll also need to set following fields in this structure:
 
     - flags:
       TODO: Can it be modified by the driver itself, or
@@ -421,6 +421,9 @@ supported.
       that is supposed to push the current transaction descriptor to a
       pending queue, waiting for issue_pending to be called.
 
+    - phys: Physical address of the descriptor which is used later by
+      the dma engine to read the descriptor and initiate transfer.
+
   - In this structure the function pointer callback_result can be
     initialized in order for the submitter to be notified that a
     transaction has completed. In the earlier code the function pointer

MAINTAINERS

@@ -7542,6 +7542,7 @@ K:	\bdma_(?:buf|fence|resv)\b
 
 DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
 M:	Vinod Koul <vkoul@kernel.org>
+R:	Frank Li <Frank.Li@kernel.org>
 L:	dmaengine@vger.kernel.org
 S:	Maintained
 Q:	https://patchwork.kernel.org/project/linux-dmaengine/list/

drivers/dma/Kconfig

@@ -590,7 +590,7 @@ config STE_DMA40
 
 config ST_FDMA
 	tristate "ST FDMA dmaengine support"
-	depends on ARCH_STI
+	depends on ARCH_STI || COMPILE_TEST
 	depends on REMOTEPROC
 	select ST_SLIM_REMOTEPROC
 	select DMA_ENGINE