linux-kernel - [PATCH RFC v2 1/2] dt-bindings: remoteproc: Add SM8750 MPSS

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Message-ID: <20250221160300.160404-1-krzysztof.kozlowski@linaro.org>
Date: Fri, 21 Feb 2025 17:02:59 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	linux-arm-msm@...r.kernel.org,
	linux-remoteproc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH RFC v2 1/2] dt-bindings: remoteproc: Add SM8750 MPSS

Add remote processor PAS loader for SM8750 MPSS (modem).  Device looks
fully compatible with SM8650, however it lacks fifth memory region for
Qlink Logging, according to downstream sources.  This is a bit tricky,
because updated downstream sources for newer downstream release dropped
that fifth memory region as well.

There might be other differences against SM8650, because the modem
currently crashes after starting.

Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Changes in v2:
Split from previous MPSS+CDSP:
https://lore.kernel.org/all/20250220154132.199358-1-krzysztof.kozlowski@linaro.org/

Retain the Ack - no changes to the binding itself.
---
 .../bindings/remoteproc/qcom,sm8550-pas.yaml    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
index 8bfded3c66ef..2dd479cf4821 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
@@ -24,6 +24,7 @@ properties:
           - qcom,sm8650-adsp-pas
           - qcom,sm8650-cdsp-pas
           - qcom,sm8650-mpss-pas
+          - qcom,sm8750-mpss-pas
           - qcom,x1e80100-adsp-pas
           - qcom,x1e80100-cdsp-pas
       - items:
@@ -164,6 +165,21 @@ allOf:
           minItems: 5
           maxItems: 5
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sm8750-mpss-pas
+    then:
+      properties:
+        interrupts:
+          minItems: 6
+        interrupt-names:
+          minItems: 6
+        memory-region:
+          minItems: 4
+          maxItems: 4
+
   - if:
       properties:
         compatible:
@@ -191,6 +207,7 @@ allOf:
             - qcom,sdx75-mpss-pas
             - qcom,sm8550-mpss-pas
             - qcom,sm8650-mpss-pas
+            - qcom,sm8750-mpss-pas
     then:
       properties:
         power-domains:
-- 
2.43.0