From: Troy Mitchell <troy.mitchell@linux.dev>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Guenter Roeck <linux@roeck-us.net>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>
Cc: Troy Mitchell <troy.mitchell@linux.dev>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hwmon@vger.kernel.org, linux-riscv@lists.infradead.org,
spacemit@lists.linux.dev, linux-doc@vger.kernel.org
Subject: [PATCH v3 2/6] dt-bindings: hwmon: Move LM63 family to a dedicated binding
Date: Wed, 05 Aug 2026 02:00:52 -0700 [thread overview]
Message-ID: <20260805-ctl2301-v3-2-b86c75d1c552@linux.dev> (raw)
In-Reply-To: <20260805-ctl2301-v3-0-fd4b8ffb5b0d@linux.dev>
Move the National Semiconductor LM63, LM64, and LM96163 compatibles out
of trivial-devices.yaml and into a dedicated binding. Describe their
integrated fan control and preserve the optional interrupt used by the
ALERT output. Permit use as thermal cooling devices via #cooling-cells.
Signed-off-by: Troy Mitchell <troy.mitchell@linux.dev>
---
.../devicetree/bindings/hwmon/national,lm63.yaml | 53 ++++++++++++++++++++++
.../devicetree/bindings/trivial-devices.yaml | 6 ---
2 files changed, 53 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/hwmon/national,lm63.yaml b/Documentation/devicetree/bindings/hwmon/national,lm63.yaml
new file mode 100644
index 000000000000..f2e0993cfbef
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/national,lm63.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/national,lm63.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LM63-compatible temperature sensors with integrated fan control
+
+maintainers:
+ - Guenter Roeck <linux@roeck-us.net>
+
+description: |
+ The LM63 family provides local and remote temperature monitoring together
+ with fan speed monitoring and PWM fan control. Supported devices include
+ the National Semiconductor LM63, LM64 and LM96163.
+
+allOf:
+ - $ref: hwmon-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - national,lm63
+ - national,lm64
+ - national,lm96163
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ "#cooling-cells":
+ const: 2
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ temperature-sensor@4c {
+ compatible = "national,lm63";
+ reg = <0x4c>;
+ #cooling-cells = <2>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 435c4baab436..aa62d245464c 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -364,16 +364,10 @@ properties:
- mps,mp9945
# Murata D1U74T-W power supply unit
- murata,d1u74t
- # Temperature sensor with integrated fan control
- - national,lm63
- # Temperature sensor with integrated fan control
- - national,lm64
# Temperature sensor
- national,lm95235
# Temperature sensor
- national,lm95245
- # Temperature sensor with integrated fan control
- - national,lm96163
# Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
- national,lm80
# Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
--
2.55.0
next prev parent reply other threads:[~2026-08-05 9:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 8:52 [PATCH v3 0/6] hwmon: (lm63) Add Sensylink CTF2301 support Troy Mitchell
2026-08-05 9:00 ` [PATCH v3 1/6] dt-bindings: vendor-prefixes: Add Sensylink Troy Mitchell
2026-08-06 8:00 ` Krzysztof Kozlowski
2026-08-05 9:00 ` Troy Mitchell [this message]
2026-08-06 8:02 ` [PATCH v3 2/6] dt-bindings: hwmon: Move LM63 family to a dedicated binding Krzysztof Kozlowski
2026-08-05 9:00 ` [PATCH v3 3/6] dt-bindings: hwmon: Add Sensylink CTF2301 Troy Mitchell
2026-08-06 8:02 ` Krzysztof Kozlowski
2026-08-05 9:00 ` [PATCH v3 4/6] hwmon: (lm63) Add Sensylink CTF2301 support Troy Mitchell
2026-08-06 19:30 ` Guenter Roeck
2026-08-05 9:00 ` [PATCH v3 5/6] riscv: dts: spacemit: Add K3 I2C6 pinctrl state Troy Mitchell
2026-08-05 9:00 ` [PATCH v3 6/6] riscv: dts: spacemit: Add CTF2301 on K3 CoM260 Troy Mitchell
2026-08-05 13:41 ` Yixun Lan
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