linux-kernel - [PATCH] dt-bindings: sram: qcom,imem: drop the IPQ5424 compatible

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Message-Id: <20251015-ipq5424-imem-v1-1-ee1c1476c1b6@oss.qualcomm.com>
Date: Wed, 15 Oct 2025 11:46:58 +0530
From: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
Subject: [PATCH] dt-bindings: sram: qcom,imem: drop the IPQ5424 compatible

Based on the recent discussion in the linux-arm-msm list[1], it is not
appropriate to define the IMEM (On-Chip SRAM) as syscon or MFD. Since
there are no consumers of this compatible, drop it and move to
mmio-sram.

While at it, add a comment to not to extend the list and move towards
mmio-sram.

[1] https://lore.kernel.org/linux-arm-msm/e4c5ecc3-fd97-4b13-a057-bb1a3b7f9207@kernel.org/

Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
---
 Documentation/devicetree/bindings/sram/qcom,imem.yaml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
index 6a627c57ae2fecdbb81cae710f6fb5e48156b1f5..3147f3634a531514a670e714f3878e5375db7285 100644
--- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
+++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
@@ -14,11 +14,10 @@ description:
   transactions.
 
 properties:
-  compatible:
+  compatible: # Don't grow this list. Please use mmio-sram if possible
     items:
       - enum:
           - qcom,apq8064-imem
-          - qcom,ipq5424-imem
           - qcom,msm8226-imem
           - qcom,msm8974-imem
           - qcom,msm8976-imem

---
base-commit: 52ba76324a9d7c39830c850999210a36ef023cde
change-id: 20250917-ipq5424-imem-350825add3e1

Best regards,
-- 
Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>