linux-kernel - [PATCH v3 1/5] dt-bindings: mtd: qcom,nandc: Document the SDX75 NAND controller

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Message-ID: <20250423063054.28795-2-quic_kaushalk@quicinc.com>
Date: Wed, 23 Apr 2025 12:00:50 +0530
From: Kaushal Kumar <quic_kaushalk@...cinc.com>
To: <vkoul@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <manivannan.sadhasivam@...aro.org>,
        <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <andersson@...nel.org>, <konradybcio@...nel.org>, <agross@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dmaengine@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mtd@...ts.infradead.org>,
        Kaushal Kumar <quic_kaushalk@...cinc.com>
Subject: [PATCH v3 1/5] dt-bindings: mtd: qcom,nandc: Document the SDX75 NAND controller

Add new compatible for the QPIC NAND controller v2.1.1 used for SDX75 SoC.

SDX75 NAND controller has iommu support so define it in the properties
section.

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Kaushal Kumar <quic_kaushalk@...cinc.com>
---
 .../devicetree/bindings/mtd/qcom,nandc.yaml   | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml b/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
index 35b4206ea918..5511389960f0 100644
--- a/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
+++ b/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
@@ -11,12 +11,18 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - qcom,ipq806x-nand
-      - qcom,ipq4019-nand
-      - qcom,ipq6018-nand
-      - qcom,ipq8074-nand
-      - qcom,sdx55-nand
+    oneOf:
+      - items:
+          - enum:
+              - qcom,sdx75-nand
+          - const: qcom,sdx55-nand
+      - items:
+          - enum:
+              - qcom,ipq806x-nand
+              - qcom,ipq4019-nand
+              - qcom,ipq6018-nand
+              - qcom,ipq8074-nand
+              - qcom,sdx55-nand
 
   reg:
     maxItems: 1
@@ -95,6 +101,18 @@ allOf:
           items:
             - const: rxtx
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sdx75-nand
+
+    then:
+      properties:
+        iommus:
+          maxItems: 1
+
   - if:
       properties:
         compatible:
-- 
2.17.1