[PATCH v6 2/6] dt-bindings: ufs: qcom: Add ICE phandle

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Starting with SM8550, the ICE will have its own devicetree node
so add the qcom,ice property to reference it.

Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
---

The v5 is here:
https://lore.kernel.org/all/20230403200530.2103099-3-abel.vesa@xxxxxxxxxx/

Changes since v5:
 * dropped the sm8550 specific subschema and replaced it with one that
   mutually excludes the qcom,ice vs both the ICE specific reg range
   and the ICE clock

Changes since v4:
 * Added check for sm8550 compatible w.r.t. qcom,ice in order to enforce
   it while making sure none of the other platforms are allowed to use it

Changes since v3:
 * dropped the "and drop core clock" part from subject line

Changes since v2:
 * dropped all changes except the qcom,ice property


 .../devicetree/bindings/ufs/qcom,ufs.yaml     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index c5a06c048389..71aa79eac6b4 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -70,6 +70,10 @@ properties:
   power-domains:
     maxItems: 1
 
+  qcom,ice:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to the Inline Crypto Engine node
+
   reg:
     minItems: 1
     maxItems: 2
@@ -187,6 +191,28 @@ allOf:
 
     # TODO: define clock bindings for qcom,msm8994-ufshc
 
+  - if:
+      properties:
+        qcom,ice:
+          minItems: 1
+          maxItems: 1
+    then:
+      properties:
+        reg:
+          minItems: 1
+          maxItems: 1
+        clocks:
+          minItems: 8
+          maxItems: 8
+    else:
+      properties:
+        reg:
+          minItems: 2
+          maxItems: 2
+        clocks:
+          minItems: 9
+          maxItems: 11
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1




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