[PATCH 2/3] dmaengine: Extend the k3dma driver binding

[h00249924 <hutenghui@huawei.com>]

From: Youlin Wang <wwx575822@notesmail.huawei.com>

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

Signed-off-by: Youlin Wang <wwx575822@notesmail.huawei.com>
Signed-off-by: Tanglei Han <hantanglei@huawei.com>
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;
+			interrupts = <0 216 4>;
+			interrupt-names = "asp_dma_irq";
+			status = "ok";
+		};
+
+Client:
+		i2s2: hisi_i2s {
+			compatible = "hisilicon,hisi-i2s";
+			reg = <0x0 0xe804f800 0x0 0x400>,
+				<0x0 0xe804e000 0x0 0x400>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2s2_pmx_func &i2s2_cfg_func>;
+			dmas = <&asp_dmac 18 &asp_dmac 19>;
+			dma-names = "rx", "tx";
+			#sound-dai-cells = <0>;
+		};
-- 
1.9.1