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Message-Id: <20251009-gs101-pd-v2-2-3f4a6db2af39@linaro.org>
Date: Thu, 09 Oct 2025 16:25:04 +0100
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>,
Marek Szyprowski <m.szyprowski@...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-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>
Subject: [PATCH v2 02/10] 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.
Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
.../bindings/soc/google/google,gs101-pmu.yaml | 67 ++++++++++++++++++++++
.../bindings/soc/samsung/exynos-pmu.yaml | 20 -------
MAINTAINERS | 1 +
3 files changed, 68 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..209ee2f80d449c3eec568188898b3c6f7ae0ddd4
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/samsung/google,gs101-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google GS101 Power Management Unit (PMU)
+
+maintainers:
+ - André Draszik <andre.draszik@...aro.org>
+
+# Custom select to avoid matching all nodes with 'syscon'
+select:
+ properties:
+ compatible:
+ contains:
+ const: google,gs101-pmu
+ required:
+ - compatible
+
+properties:
+ compatible:
+ items:
+ - const: google,gs101-pmu
+ - const: syscon
+
+ 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
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ system-controller@...60000 {
+ compatible = "google,gs101-pmu", "syscon";
+ 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 f0fb24156da9b8980dcfd5339ae75f12a71cf6d6..83f18a92fa1c4de75a90f00475cf17d5f0b652e4 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -15,7 +15,6 @@ select:
compatible:
contains:
enum:
- - google,gs101-pmu
- samsung,exynos3250-pmu
- samsung,exynos4210-pmu
- samsung,exynos4212-pmu
@@ -36,7 +35,6 @@ properties:
oneOf:
- items:
- enum:
- - google,gs101-pmu
- samsung,exynos3250-pmu
- samsung,exynos4210-pmu
- samsung,exynos4212-pmu
@@ -129,11 +127,6 @@ 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
@@ -194,19 +187,6 @@ 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 3439485437117aaffbe61b709468348231ca3cc4..9cf5b9300d4d96bfed8d1a75cc806925a884744b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10596,6 +10596,7 @@ S: Maintained
P: Documentation/process/maintainer-soc-clean-dts.rst
C: irc://irc.oftc.net/pixel6-kernel-dev
F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+F: Documentation/devicetree/bindings/soc/google/google,gs101-pmu.yaml
F: Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml
F: arch/arm64/boot/dts/exynos/google/
F: drivers/clk/samsung/clk-gs101.c
--
2.51.0.710.ga91ca5db03-goog
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