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[5.10.y-cip,10/27] dt-bindings: memory: renesas,rpc-if: Add support for the R9A07G044

Message ID 20220131121903.8620-11-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State New
Headers show
Series Add RPCIF, SCI{F1} support to Renesas RZ/G2L SoC | expand

Commit Message

Lad Prabhakar Jan. 31, 2022, 12:18 p.m. UTC 
commit c271aa1f73515bcb35f977f30825832d41a2f504 upstream.

SPI Multi I/O Bus Controller on RZ/G2L SoC is almost identical to
the RPC-IF interface found on R-Car Gen3 SoC's.

This patch adds a new compatible string to identify the RZ/G2L family
so that the timing values on RZ/G2L can be adjusted.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211025205631.21151-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
[PL: Manually applied the changes.]
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 .../memory-controllers/renesas,rpc-if.yaml    | 43 ++++++++++++++-----
 1 file changed, 33 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
index ebc1052a5e9b..e733b01abe13 100644
--- a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
@@ -24,12 +24,18 @@  allOf:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - renesas,r8a77970-rpc-if       # R-Car V3M
-          - renesas,r8a77980-rpc-if       # R-Car V3H
-          - renesas,r8a77995-rpc-if       # R-Car D3
-      - const: renesas,rcar-gen3-rpc-if   # a generic R-Car gen3 device
+    oneOf:
+      - items:
+          - enum:
+              - renesas,r8a77970-rpc-if       # R-Car V3M
+              - renesas,r8a77980-rpc-if       # R-Car V3H
+              - renesas,r8a77995-rpc-if       # R-Car D3
+          - const: renesas,rcar-gen3-rpc-if   # a generic R-Car gen3 or RZ/G2{E,H,M,N} device
+
+      - items:
+          - enum:
+              - renesas,r9a07g044-rpc-if      # RZ/G2{L,LC}
+          - const: renesas,rzg2l-rpc-if       # RZ/G2L family
 
   reg:
     items:
@@ -43,8 +49,7 @@  properties:
       - const: dirmap
       - const: wbuf
 
-  clocks:
-    maxItems: 1
+  clocks: true
 
   power-domains:
     maxItems: 1
@@ -62,8 +67,6 @@  patternProperties:
             - cfi-flash
             - jedec,spi-nor
 
-unevaluatedProperties: false
-
 required:
   - compatible
   - reg
@@ -74,6 +77,26 @@  required:
   - '#address-cells'
   - '#size-cells'
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - renesas,rzg2l-rpc-if
+then:
+  properties:
+    clocks:
+      items:
+        - description: SPI Multi IO Register access clock (SPI_CLK2)
+        - description: SPI Multi IO Main clock (SPI_CLK).
+
+else:
+  properties:
+    clocks:
+      maxItems: 1
+
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/renesas-cpg-mssr.h>