linux-kernel - [PATCH v6 1/4] dt-bindings: misc: qcom,fastrpc: Add compatible for Kaanapali

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Message-Id: <20251211100933.1285093-2-kumari.pallavi@oss.qualcomm.com>
Date: Thu, 11 Dec 2025 15:39:30 +0530
From: Kumari Pallavi <kumari.pallavi@....qualcomm.com>
To: kpallavi@....qualcomm.com, srini@...nel.org, amahesh@....qualcomm.com,
        arnd@...db.de, gregkh@...uxfoundation.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org
Cc: Kumari Pallavi <kumari.pallavi@....qualcomm.com>, quic_bkumar@...cinc.com,
        ekansh.gupta@....qualcomm.com, linux-kernel@...r.kernel.org,
        quic_chennak@...cinc.com, dri-devel@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        jingyi.wang@....qualcomm.com, aiqun.yu@....qualcomm.com,
        ktadakam@....qualcomm.com
Subject: [PATCH v6 1/4] dt-bindings: misc: qcom,fastrpc: Add compatible for Kaanapali

Kaanapali introduces changes in DSP IOVA layout and CDSP DMA addressing
that differ from previous SoCs. The SID field moves within the physical
address, and CDSP now supports a wider DMA range, requiring updated
sid_pos and DMA mask handling in the driver.

Signed-off-by: Kumari Pallavi <kumari.pallavi@....qualcomm.com>
---
 Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
index 3f6199fc9ae6..142309e2c656 100644
--- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
+++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
@@ -18,7 +18,12 @@ description: |
 
 properties:
   compatible:
-    const: qcom,fastrpc
+    oneOf:
+      - items:
+          - enum:
+              - qcom,kaanapali-fastrpc
+          - const: qcom,fastrpc
+      - const: qcom,fastrpc
 
   label:
     enum:
-- 
2.34.1