linux-kernel - [PATCH v4 2/3] dt-bindings: soc: samsung: exynos-pmu: update reset for gs101

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Message-Id: <20250328-syscon-reboot-reset-mode-v4-2-77ba57703ace@linaro.org>
Date: Fri, 28 Mar 2025 15:15:20 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v4 2/3] dt-bindings: soc: samsung: exynos-pmu: update reset
 for gs101

Add the gs101-specific reset node, allow it on gs101, and disallow it
on !gs101. Similarly, disallow the generic 'syscon-reboot' on gs101, as
we want the specific one in that case.

Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
 .../devicetree/bindings/soc/samsung/exynos-pmu.yaml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 204da6fe458d2d4bfeee1471ebc5c38247477ae2..8c7362cf3eeab11f6bb13a27eb295d5ee6721b71 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -97,6 +97,12 @@ properties:
     $ref: /schemas/phy/samsung,dp-video-phy.yaml
     unevaluatedProperties: false
 
+  gs101-reboot:
+    $ref: /schemas/power/reset/google,gs101-reboot.yaml#
+    type: object
+    description:
+      Node for gs101-specific reboot method
+
   interrupt-controller:
     description:
       Some PMUs are capable of behaving as an interrupt controller (mostly
@@ -136,6 +142,21 @@ required:
 additionalProperties: false
 
 allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: google,gs101-pmu
+    then:
+      properties:
+        gs101-reboot: true
+        syscon-reboot: false
+
+    else:
+      properties:
+        gs101-reboot: false
+        syscon-reboot: true
+
   - if:
       properties:
         compatible:

-- 
2.49.0.472.ge94155a9ec-goog