linux-kernel - [PATCH v3 01/13] dt-bindings: remoteproc: qcom,msm8916-mss-pil: Support platforms with one power domain

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Message-Id: <20250127-msm8226-modem-v3-1-67e968787eef@lucaweiss.eu>
Date: Mon, 27 Jan 2025 23:45:33 +0100
From: Luca Weiss <luca@...aweiss.eu>
To: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 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>, Stephan Gerhold <stephan@...hold.net>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Matti Lehtimäki <matti.lehtimaki@...il.com>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Luca Weiss <luca@...aweiss.eu>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 01/13] dt-bindings: remoteproc: qcom,msm8916-mss-pil:
 Support platforms with one power domain

From: Matti Lehtimäki <matti.lehtimaki@...il.com>

Add support for platforms such as MSM8974 which have the mx voltage rail
exposed as regulator and only cx voltage rail as power domain.

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@...il.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Luca Weiss <luca@...aweiss.eu>
---
 .../bindings/remoteproc/qcom,msm8916-mss-pil.yaml  | 34 +++++++++++++++++++---
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml
index 588b010b2a9e53946a615219fc1468bc700deef8..c81364daa34b545e99261bf1f94ae2ad28d48ea7 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml
@@ -70,16 +70,17 @@ properties:
     items:
       - description: CX proxy power domain (control handed over after startup)
       - description: MX proxy power domain (control handed over after startup)
+                     (not valid for qcom,msm8974-mss-pil)
       - description: MSS proxy power domain (control handed over after startup)
                      (only valid for qcom,msm8953-mss-pil)
-    minItems: 2
+    minItems: 1
 
   power-domain-names:
     items:
       - const: cx
-      - const: mx
+      - const: mx # not valid for qcom,msm8974-mss-pil
       - const: mss # only valid for qcom,msm8953-mss-pil
-    minItems: 2
+    minItems: 1
 
   pll-supply:
     description: PLL proxy supply (control handed over after startup)
@@ -207,13 +208,38 @@ allOf:
       required:
         - power-domains
         - power-domain-names
-    else:
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,msm8909-mss-pil
+              - qcom,msm8916-mss-pil
+    then:
       properties:
         power-domains:
+          minItems: 2
           maxItems: 2
         power-domain-names:
+          minItems: 2
           maxItems: 2
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,msm8974-mss-pil
+    then:
+      properties:
+        power-domains:
+          maxItems: 1
+        power-domain-names:
+          maxItems: 1
+      required:
+        - mx-supply
+
   - if:
       properties:
         compatible:

-- 
2.48.1