linux-kernel - [PATCH v4 03/10] dt-bindings: soc: samsung: exynos-pmu: move gs101-pmu into separate binding

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Message-Id: <20260128-gs101-pd-v4-3-cbe7bd5a4060@linaro.org>
Date: Wed, 28 Jan 2026 16:10:52 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Ulf Hansson <ulf.hansson@...aro.org>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, Juan Yescas <jyescas@...gle.com>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-pm@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>, 
 Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH v4 03/10] dt-bindings: soc: samsung: exynos-pmu: move
 gs101-pmu into separate binding

The gs101-pmu binding is going to acquire various additional (pattern)
properties that don't apply to other PMUs supported by this binding.

To enable this, move google,gs101-pmu into a separate binding.

Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
v4:
- update since 'syscon' was removed from gs101-pmu compatibles
- update since 'select:' was removed from google,gs101-pmu.yaml

v3:
- use additionalProperties, not unevaluatedProperties
- fix path in $id (Rob)
- drop comment around 'select' (Rob)
---
 .../bindings/soc/google/google,gs101-pmu.yaml      | 56 ++++++++++++++++++++++
 .../bindings/soc/samsung/exynos-pmu.yaml           | 20 --------
 MAINTAINERS                                        |  1 +
 3 files changed, 57 insertions(+), 20 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml b/Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a06bd8ec3c20faf0b364d3d3ef1763502c2b09cf
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/google/google,gs101-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google GS101 Power Management Unit (PMU)
+
+maintainers:
+  - André Draszik <andre.draszik@...aro.org>
+
+properties:
+  compatible:
+    const: google,gs101-pmu
+
+  reg:
+    maxItems: 1
+
+  reboot-mode:
+    $ref: /schemas/power/reset/syscon-reboot-mode.yaml
+    type: object
+    description:
+      Reboot mode to alter bootloader behavior for the next boot
+
+  syscon-poweroff:
+    $ref: /schemas/power/reset/syscon-poweroff.yaml#
+    type: object
+    description:
+      Node for power off method
+
+  syscon-reboot:
+    $ref: /schemas/power/reset/syscon-reboot.yaml#
+    type: object
+    description:
+      Node for reboot method
+
+  google,pmu-intr-gen-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to PMU interrupt generation interface.
+
+required:
+  - compatible
+  - reg
+  - google,pmu-intr-gen-syscon
+
+additionalProperties: false
+
+examples:
+  - |
+    system-controller@...60000 {
+        compatible = "google,gs101-pmu";
+        reg = <0x17460000 0x10000>;
+
+        google,pmu-intr-gen-syscon = <&pmu_intr_gen>;
+    };
diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 76ce7e98c10f3738e7de5579904260dd906507c9..09368dbb6de6898e2988c398b2506f2c2b4e73bc 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -12,8 +12,6 @@ maintainers:
 properties:
   compatible:
     oneOf:
-      - enum:
-          - google,gs101-pmu
       - items:
           - enum:
               - samsung,exynos3250-pmu
@@ -110,11 +108,6 @@ properties:
     description:
       Node for reboot method
 
-  google,pmu-intr-gen-syscon:
-    $ref: /schemas/types.yaml#/definitions/phandle
-    description:
-      Phandle to PMU interrupt generation interface.
-
 required:
   - compatible
   - reg
@@ -176,19 +169,6 @@ allOf:
       properties:
         dp-phy: false
 
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - google,gs101-pmu
-    then:
-      required:
-        - google,pmu-intr-gen-syscon
-    else:
-      properties:
-        google,pmu-intr-gen-syscon: false
-
 examples:
   - |
     #include <dt-bindings/clock/exynos5250.h>
diff --git a/MAINTAINERS b/MAINTAINERS
index 98b2ef47c809ac0232e6941c9483b19d7c798bb4..79a58769e9cb33d9bd6190c74d55461e77965af5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10834,6 +10834,7 @@ C:	irc://irc.oftc.net/pixel6-kernel-dev
 F:	Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
 F:	Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml
 F:	Documentation/devicetree/bindings/soc/google/google,gs101-dtzpc.yaml
+F:	Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml
 F:	Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml
 F:	Documentation/devicetree/bindings/usb/google,lga-dwc3.yaml
 F:	arch/arm64/boot/dts/exynos/google/

-- 
2.52.0.457.g6b5491de43-goog