From: Youlin Wang <redacted>

Extend the k3dma driver binding to support hisi-asp hardware variants.

Signed-off-by: Youlin Wang <redacted>
Signed-off-by: Tanglei Han <redacted>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
---
 Documentation/devicetree/bindings/dma/k3dma.txt | 33 ++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
index 4945aea..cd21b82 100644
--- a/Documentation/devicetree/bindings/dma/k3dma.txt
+++ b/Documentation/devicetree/bindings/dma/k3dma.txt

@@ -3,7 +3,9 @@
 See dma.txt first

 Required properties:
-- compatible: Should be "hisilicon,k3-dma-1.0"
+- compatible: Must be one of
+-              "hisilicon,k3-dma-1.0"
+-              "hisilicon,hisi-pcm-asp-dma-1.0"
 - reg: Should contain DMA registers location and length.
 - interrupts: Should contain one interrupt shared by all channel
 - #dma-cells: see dma.txt, should be 1, para number

@@ -43,3 +45,32 @@ For example, i2c0 read channel request line is 18, while write channel use 19
                        dma-names = "rx", "tx";
                };

+
+
+
+Controller:
+               asp_dmac: asp_dmac@E804B000 {
+                       compatible = "hisilicon,hisi-pcm-asp-dma-1.0";
+                       reg = <0x0 0xe804b000 0x0 0x1000>;
+                       #dma-cells = <1>;
+                       dma-channels = <16>;
+                       dma-requests = <32>;
+                       dma-min-chan = <0>;
+                       dma-used-chans = <0xFFFE>;
+                       dma-share;