linux-kernel - [PATCH v3 1/3] dt-bindings: thermal: Add support for Airoha EN7581 thermal sensor

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Message-ID: <20241018104839.13296-1-ansuelsmth@gmail.com>
Date: Fri, 18 Oct 2024 12:48:04 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Lukasz Luba <lukasz.luba@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Christian Marangi <ansuelsmth@...il.com>,
	linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	upstream@...oha.com
Subject: [PATCH v3 1/3] dt-bindings: thermal: Add support for Airoha EN7581 thermal sensor

Add support for Airoha EN7581 thermal sensor and monitor. This is a
simple sensor for the CPU or SoC Package that provide thermal sensor and
trip point for hot low and critical condition to fire interrupt and
react on the abnormal state.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
---
Changes v2:
- Add Reviewed-by tag

 .../thermal/airoha,en7581-thermal.yaml        | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/airoha,en7581-thermal.yaml

diff --git a/Documentation/devicetree/bindings/thermal/airoha,en7581-thermal.yaml b/Documentation/devicetree/bindings/thermal/airoha,en7581-thermal.yaml
new file mode 100644
index 000000000000..ca0242ef0378
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/airoha,en7581-thermal.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/airoha,en7581-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 Thermal Sensor and Monitor
+
+maintainers:
+  - Christian Marangi <ansuelsmth@...il.com>
+
+properties:
+  compatible:
+    const: airoha,en7581-thermal
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  airoha,chip-scu:
+    description: phandle to the chip SCU syscon
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+  '#thermal-sensor-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - airoha,chip-scu
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    thermal-sensor@...bd800 {
+        compatible = "airoha,en7581-thermal";
+        reg = <0x1efbd000 0xd5c>;
+        interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+        airoha,chip-scu = <&chip_scu>;
+
+        #thermal-sensor-cells = <0>;
+    };
-- 
2.45.2