Received-SPF: pass (google.com: domain of linux-kernel+bounces-82492-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
From: baneric926@gmail.com
To: jdelvare@suse.com,
	linux@roeck-us.net,
	robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org,
	corbet@lwn.net
Cc: linux-hwmon@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org,
	openbmc@lists.ozlabs.org,
	kwliu@nuvoton.com,
	kcfeng0@nuvoton.com,
	DELPHINE_CHIU@wiwynn.com,
	Bonnie_Lo@wiwynn.com,
	naresh.solanki@9elements.com,
	billy_tsai@aspeedtech.com,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v4 1/3] dt-bindings: hwmon: fan: Add fan binding to schema
Date: Tue, 27 Feb 2024 08:56:04 +0800
Message-Id: <20240227005606.1107203-2-kcfeng0@nuvoton.com>
In-Reply-To: <20240227005606.1107203-1-kcfeng0@nuvoton.com>
References: <20240227005606.1107203-1-kcfeng0@nuvoton.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

From: Naresh Solanki <naresh.solanki@9elements.com>

Add common fan properties bindings to a schema.

Bindings for fan controllers can reference the common schema for the
fan

child nodes:

  patternProperties:
    "^fan@[0-2]":
      type: object
      $ref: fan-common.yaml#
      unevaluatedProperties: false

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Signed-off-by: Ban Feng <kcfeng0@nuvoton.com>
---
 .../devicetree/bindings/hwmon/fan-common.yaml | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
new file mode 100644
index 000000000000..15c591c74545
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common Fan Properties
+
+maintainers:
+  - Naresh Solanki <naresh.solanki@9elements.com>
+  - Billy Tsai <billy_tsai@aspeedtech.com>
+
+properties:
+  max-rpm:
+    description:
+      Max RPM supported by fan.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 100000
+
+  min-rpm:
+    description:
+      Min RPM supported by fan.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 1000
+
+  pulses-per-revolution:
+    description:
+      The number of pulse from fan sensor per revolution.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 4
+
+  tach-div:
+    description:
+      Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  target-rpm:
+    description:
+      The default desired fan speed in RPM.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  fan-driving-mode:
+    description:
+      Select the driving mode of the fan.(DC, PWM and so on)
+    $ref: /schemas/types.yaml#/definitions/string
+    enum: [ dc, pwm ]
+
+  pwms:
+    description:
+      PWM provider.
+    maxItems: 1
+
+  "#cooling-cells":
+    const: 2
+
+  cooling-levels:
+    description:
+      The control value which correspond to thermal cooling states.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
+  tach-ch:
+    description:
+      The tach channel used for the fan.
+    $ref: /schemas/types.yaml#/definitions/uint8-array
+
+  label:
+    description:
+      Optional fan label
+
+  fan-supply:
+    description:
+      Power supply for fan.
+
+  reg:
+    maxItems: 1
+
+additionalProperties: true
+
-- 
2.34.1