[PATCH v3 1/4] dt-bindings: dma: ti: k3-*: Add descriptions for register regions

[Vignesh Raghavendra <vigneshr@ti.com>]

In preparation for introducing more register regions, add description
for existing register regions so that its easier to map reg-names to
that of SoC Documentations/TRMs.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
 .../devicetree/bindings/dma/ti/k3-bcdma.yaml   | 18 +++++++++++++++---
 .../devicetree/bindings/dma/ti/k3-pktdma.yaml  |  6 +++++-
 .../devicetree/bindings/dma/ti/k3-udma.yaml    |  5 ++++-
 3 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
index 4ca300a42a99..11727af9df73 100644
--- a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
+++ b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
@@ -141,7 +141,10 @@ allOf:
         ti,sci-rm-range-tchan: false
 
         reg:
-          maxItems: 3
+          items:
+            - description: BCDMA Control /Status Registers region
+            - description: RX Channel Realtime Registers region
+            - description: Ring Realtime Registers region
 
         reg-names:
           items:
@@ -160,7 +163,12 @@ allOf:
     then:
       properties:
         reg:
-          minItems: 5
+          items:
+            - description: BCDMA Control /Status Registers region
+            - description: Block Copy Channel Realtime Registers region
+            - description: RX Channel Realtime Registers region
+            - description: TX Channel Realtime Registers region
+            - description: Ring Realtime Registers region
 
         reg-names:
           items:
@@ -184,7 +192,11 @@ allOf:
         ti,sci-rm-range-bchan: false
 
         reg:
-          maxItems: 4
+          items:
+            - description: BCDMA Control /Status Registers region
+            - description: RX Channel Realtime Registers region
+            - description: TX Channel Realtime Registers region
+            - description: Ring Realtime Registers region
 
         reg-names:
           items:
diff --git a/Documentation/devicetree/bindings/dma/ti/k3-pktdma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-pktdma.yaml
index a69f62f854d8..3580b08f65c6 100644
--- a/Documentation/devicetree/bindings/dma/ti/k3-pktdma.yaml
+++ b/Documentation/devicetree/bindings/dma/ti/k3-pktdma.yaml
@@ -45,7 +45,11 @@ properties:
       The second cell is the ASEL value for the channel
 
   reg:
-    maxItems: 4
+    items:
+      - description: Packet DMA Control /Status Registers region
+      - description: RX Channel Realtime Registers region
+      - description: TX Channel Realtime Registers region
+      - description: Ring Realtime Registers region
 
   reg-names:
     items:
diff --git a/Documentation/devicetree/bindings/dma/ti/k3-udma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-udma.yaml
index 22f6c5e2f7f4..ded588bd079a 100644
--- a/Documentation/devicetree/bindings/dma/ti/k3-udma.yaml
+++ b/Documentation/devicetree/bindings/dma/ti/k3-udma.yaml
@@ -69,7 +69,10 @@ properties:
       - ti,j721e-navss-mcu-udmap
 
   reg:
-    maxItems: 3
+    items:
+      - description: UDMA-P Control /Status Registers region
+      - description: RX Channel Realtime Registers region
+      - description: TX Channel Realtime Registers region
 
   reg-names:
     items:
-- 
2.43.0