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[v3,01/12] dt-bindings: usb: renesas,usb-xhci: Document RZ/V2M support

Message ID 20230121145853.4792-2-biju.das.jz@bp.renesas.com
State Accepted
Commit e696d70f600abbe2b7fe81008bcb24d239a74672
Headers show
Series [v3,01/12] dt-bindings: usb: renesas,usb-xhci: Document RZ/V2M support | expand

Commit Message

Biju Das Jan. 21, 2023, 2:58 p.m. UTC 
Document the RZ/V2M SoC bindings.
The RZ/V2M SoC is a little different to the R-Car implementations.
You can access the registers associated with the currently set DRD mode,
therefore as part of init, we have to set the DRD mode to host.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v2->v3:
 * No change.
v1->v2:
 * Added Rb tag from Rob
 * Renamed clock-name "host_axi"->"axi"
 * Drop quotes around usb-xhci.yaml.
---
 .../bindings/usb/renesas,usb-xhci.yaml        | 41 +++++++++++++++++--
 1 file changed, 37 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/renesas,usb-xhci.yaml b/Documentation/devicetree/bindings/usb/renesas,usb-xhci.yaml
index 4c5efaf02308..1a07c0d2b1b1 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usb-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/renesas,usb-xhci.yaml
@@ -10,9 +10,6 @@  maintainers:
   - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
   - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
 
-allOf:
-  - $ref: "usb-xhci.yaml"
-
 properties:
   compatible:
     oneOf:
@@ -37,6 +34,11 @@  properties:
               - renesas,xhci-r8a77965 # R-Car M3-N
               - renesas,xhci-r8a77990 # R-Car E3
           - const: renesas,rcar-gen3-xhci # R-Car Gen3 and RZ/G2
+      - items:
+          - enum:
+              - renesas,r9a09g011-xhci # RZ/V2M
+              - renesas,r9a09g055-xhci # RZ/V2MA
+          - const: renesas,rzv2m-xhci  # RZ/{V2M, V2MA}
 
   reg:
     maxItems: 1
@@ -45,7 +47,16 @@  properties:
     maxItems: 1
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: Main clock for host
+      - description: Register access clock
+
+  clock-names:
+    minItems: 1
+    items:
+      - const: axi
+      - const: reg
 
   phys:
     maxItems: 1
@@ -68,6 +79,28 @@  required:
   - power-domains
   - resets
 
+allOf:
+  - $ref: usb-xhci.yaml
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,rzv2m-xhci
+    then:
+      properties:
+        clocks:
+          minItems: 2
+        clock-names:
+          minItems: 2
+      required:
+        - clock-names
+    else:
+      properties:
+        clocks:
+          maxItems: 1
+
 unevaluatedProperties: false
 
 examples: