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From:   =?UTF-8?q?Matti=20Lehtim=C3=A4ki?= <matti.lehtimaki@gmail.com>
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        =?UTF-8?q?Matti=20Lehtim=C3=A4ki?= <matti.lehtimaki@gmail.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Stephan Gerhold <stephan@gerhold.net>,
        linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 1/8] dt-bindings: remoteproc: qcom,msm8916-mss-pil: Add MSM8226
Date:   Thu, 12 Jan 2023 22:26:04 +0200
Message-Id: <20230112202612.791455-2-matti.lehtimaki@gmail.com>
In-Reply-To: <20230112202612.791455-1-matti.lehtimaki@gmail.com>
References: <20230112202612.791455-1-matti.lehtimaki@gmail.com>
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Adds support for platforms with only single power domain.
Adds support for external power block headswitch (BHS) registers

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
---
 .../remoteproc/qcom,msm8916-mss-pil.yaml      | 41 +++++++++++++++++--
 1 file changed, 37 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 6e6e69ad9cd7..6a921f2711b2 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8916-mss-pil.yaml
@@ -17,6 +17,7 @@ properties:
   compatible:
     oneOf:
       - enum:
+          - qcom,msm8226-mss-pil
           - qcom,msm8909-mss-pil
           - qcom,msm8916-mss-pil
           - qcom,msm8953-mss-pil
@@ -70,16 +71,17 @@ 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,msm8226-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,msm8226-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)
@@ -106,6 +108,15 @@ properties:
     items:
       - const: stop
 
+  qcom,ext-bhs-reg:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: External power block headswitch (BHS) register
+                 (only valid for qcom,msm8226-mss-pil)
+    items:
+      - items:
+          - description: phandle to external BHS syscon region
+          - description: offset to the external BHS register
+
   qcom,halt-regs:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     description:
@@ -205,13 +216,35 @@ allOf:
       required:
         - power-domains
         - power-domain-names
-    else:
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,msm8909-mss-pil
+              - qcom,msm8916-mss-pil
+              - qcom,msm8974-mss-pil
+    then:
       properties:
         power-domains:
           maxItems: 2
         power-domain-names:
           maxItems: 2
 
+  - if:
+      properties:
+        compatible:
+          const: qcom,msm8226-mss-pil
+    then:
+      properties:
+        power-domains:
+          maxItems: 1
+        power-domain-names:
+          maxItems: 1
+      required:
+        - qcom,ext-bhs-reg
+
   - if:
       properties:
         compatible:
-- 
2.34.1