[PATCH v5 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC binding

[Brad Larson]

From: Brad Larson <blarson at amd.com>

AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
explicitly controls byte-lane enables.

Signed-off-by: Brad Larson <blarson at amd.com>
---
 .../devicetree/bindings/mmc/cdns,sdhci.yaml        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
index 4207fed62dfe..35bc4cf6f214 100644
--- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
@@ -13,10 +13,24 @@ maintainers:
 allOf:
   - $ref: mmc-controller.yaml
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amd,pensando-elba-sd4hc
+    then:
+      properties:
+        reg:
+          items:
+            - description: Cadence host controller registers
+            - description: Byte-lane control register
+          minItems: 2
+
 properties:
   compatible:
     items:
       - enum:
+          - amd,pensando-elba-sd4hc
           - microchip,mpfs-sd4hc
           - socionext,uniphier-sd4hc
       - const: cdns,sd4hc
-- 
2.17.1