Merge tag 'dmaengine-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "Core:
   - New devm_of_dma_controller_register() API

  New Support:
   - Support for RZ/G3L SoC
   - Loongson Multi-Channel DMA controller support
   - Conversion of Xilinx AXI DMA binding
   - DW AXI CV1800B DMA support
   - Switchtec DMA engine driver

  Updates:
   - AMD MDB Endpoint and non-LL mode support
   - DW edma virtual IRQ for interrupt-emulation, cyclic transfers support"

* tag 'dmaengine-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (65 commits)
  dmaengine: dw-edma: Add non-LL mode
  dmaengine: dw-edma: Add AMD MDB Endpoint Support
  dt-bindings: dmaengine: Fix spelling mistake "Looongson" -> "Looogson"
  dmaengine: loongson: Fix spelling mistake "Looongson" -> "Looogson"
  dmaengine: loongson: New driver for the Loongson Multi-Channel DMA controller
  dt-bindings: dmaengine: Add Loongson Multi-Channel DMA controller
  dmaengine: loongson: loongson2-apb: Simplify locking with guard() and scoped_guard()
  dmaengine: loongson: loongson2-apb: Convert to devm_clk_get_enabled()
  dmaengine: loongson: loongson2-apb: Convert to dmaenginem_async_device_register()
  dmaengine: loongson: New directory for Loongson DMA controllers drivers
  dt-bindings: dma: xlnx,axi-dma: Convert to DT schema
  dt-bindings: dma: rz-dmac: Add conditional schema for RZ/G3L
  dmaengine: sh: rz-dmac: Add device_{pause,resume}() callbacks
  dmaengine: sh: rz-dmac: Add device_tx_status() callback
  dmaengine: sh: rz-dmac: Use rz_lmdesc_setup() to invalidate descriptors
  dmaengine: sh: rz-dmac: Drop unnecessary local_irq_save() call
  dmaengine: sh: rz-dmac: Drop goto instruction and label
  dmaengine: sh: rz-dmac: Drop read of CHCTRL register
  dmaengine: sh: rz_dmac: add RZ/{T2H,N2H} support
  dt-bindings: dma: renesas,rz-dmac: document RZ/{T2H,N2H}
  ...

Author: torvalds

Documentation/devicetree/bindings/dma/loongson,ls2k0300-dma.yaml

@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/loongson,ls2k0300-dma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2 Multi-Channel DMA controller
+
+description:
+  The Loongson-2 Multi-Channel DMA controller is used for transferring data
+  between system memory and the peripherals on the APB bus.
+
+maintainers:
+  - Binbin Zhou <zhoubinbin@loongson.cn>
+
+allOf:
+  - $ref: dma-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - loongson,ls2k0300-dma
+      - loongson,ls2k3000-dma
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Should contain all of the per-channel DMA interrupts in ascending order
+      with respect to the DMA channel index.
+    minItems: 4
+    maxItems: 8
+
+  clocks:
+    maxItems: 1
+
+  '#dma-cells':
+    const: 2
+    description: |
+      DMA request from clients consists of 2 cells:
+        1. Channel index
+        2. Transfer request factor number, If no transfer factor, use 0.
+           The number is SoC-specific, and this should be specified with
+           relation to the device to use the DMA controller.
+
+  dma-channels:
+    enum: [4, 8]
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - '#dma-cells'
+  - dma-channels
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/loongson,ls2k-clk.h>
+
+    dma-controller@1612c000 {
+        compatible = "loongson,ls2k0300-dma";
+        reg = <0x1612c000 0xff>;
+        interrupt-parent = <&liointc0>;
+        interrupts = <23 IRQ_TYPE_LEVEL_HIGH>,
+                     <24 IRQ_TYPE_LEVEL_HIGH>,
+                     <25 IRQ_TYPE_LEVEL_HIGH>,
+                     <26 IRQ_TYPE_LEVEL_HIGH>,
+                     <27 IRQ_TYPE_LEVEL_HIGH>,
+                     <28 IRQ_TYPE_LEVEL_HIGH>,
+                     <29 IRQ_TYPE_LEVEL_HIGH>,
+                     <30 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clk LS2K0300_CLK_APB_GATE>;
+        #dma-cells = <2>;
+        dma-channels = <8>;
+    };
+...

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

@@ -19,6 +19,7 @@ properties:
               - renesas,r9a07g044-dmac # RZ/G2{L,LC}
               - renesas,r9a07g054-dmac # RZ/V2L
               - renesas,r9a08g045-dmac # RZ/G3S
+              - renesas,r9a08g046-dmac # RZ/G3L
           - const: renesas,rz-dmac
 
       - items:
@@ -29,34 +30,26 @@ properties:
 
       - const: renesas,r9a09g057-dmac # RZ/V2H(P)
 
+      - const: renesas,r9a09g077-dmac # RZ/T2H
+
+      - items:
+          - enum:
+              - renesas,r9a09g087-dmac # RZ/N2H
+          - const: renesas,r9a09g077-dmac
+
   reg:
     items:
       - description: Control and channel register block
       - description: DMA extended resource selector block
     minItems: 1
 
   interrupts:
+    minItems: 16
     maxItems: 17
 
   interrupt-names:
-    items:
-      - const: error
-      - const: ch0
-      - const: ch1
-      - const: ch2
-      - const: ch3
-      - const: ch4
-      - const: ch5
-      - const: ch6
-      - const: ch7
-      - const: ch8
-      - const: ch9
-      - const: ch10
-      - const: ch11
-      - const: ch12
-      - const: ch13
-      - const: ch14
-      - const: ch15
+    minItems: 16
+    maxItems: 17
 
   clocks:
     items:
@@ -122,6 +115,35 @@ required:
 allOf:
   - $ref: dma-controller.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,rz-dmac
+              - renesas,r9a09g057-dmac
+    then:
+      properties:
+        interrupt-names:
+          items:
+            - const: error
+            - const: ch0
+            - const: ch1
+            - const: ch2
+            - const: ch3
+            - const: ch4
+            - const: ch5
+            - const: ch6
+            - const: ch7
+            - const: ch8
+            - const: ch9
+            - const: ch10
+            - const: ch11
+            - const: ch12
+            - const: ch13
+            - const: ch14
+            - const: ch15
+
   - if:
       properties:
         compatible:
@@ -131,6 +153,7 @@ allOf:
               - renesas,r9a07g044-dmac
               - renesas,r9a07g054-dmac
               - renesas,r9a08g045-dmac
+              - renesas,r9a08g046-dmac
     then:
       properties:
         reg:
@@ -189,6 +212,49 @@ allOf:
         - renesas,icu
         - resets
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g077-dmac
+    then:
+      properties:
+        reg:
+          maxItems: 1
+        clocks:
+          maxItems: 1
+
+        clock-names: false
+        resets: false
+        reset-names: false
+
+        interrupts:
+          maxItems: 16
+
+        interrupt-names:
+          items:
+            - const: ch0
+            - const: ch1
+            - const: ch2
+            - const: ch3
+            - const: ch4
+            - const: ch5
+            - const: ch6
+            - const: ch7
+            - const: ch8
+            - const: ch9
+            - const: ch10
+            - const: ch11
+            - const: ch12
+            - const: ch13
+            - const: ch14
+            - const: ch15
+
+      required:
+        - clocks
+        - power-domains
+        - renesas,icu
+
 additionalProperties: false
 
 examples:

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

@@ -21,6 +21,7 @@ properties:
       - enum:
           - snps,axi-dma-1.01a
           - intel,kmb-axi-dma
+          - sophgo,cv1800b-axi-dma
           - starfive,jh7110-axi-dma
           - starfive,jh8100-axi-dma
       - items:
@@ -68,6 +69,8 @@ properties:
 
   dma-noncoherent: true
 
+  dma-coherent: true
+
   resets:
     minItems: 1
     maxItems: 2