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Message-ID: <20231107103955.1166655-2-billy_tsai@aspeedtech.com>
Date: Tue, 7 Nov 2023 18:39:53 +0800
From: Billy Tsai <billy_tsai@...eedtech.com>
To: <jdelvare@...e.com>, <linux@...ck-us.net>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <joel@....id.au>,
<andrew@...id.au>, <corbet@....net>, <thierry.reding@...il.com>,
<u.kleine-koenig@...gutronix.de>, <p.zabel@...gutronix.de>,
<billy_tsai@...eedtech.com>, <naresh.solanki@...ements.com>,
<linux-hwmon@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
<linux-doc@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
<BMC-SW@...eedtech.com>, <patrick@...cx.xyz>
Subject: [PATCH v10 1/3] dt-bindings: hwmon: fan: Add fan binding to schema
From: Naresh Solanki <naresh.solanki@...ements.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
$ref: fan-common.yaml#
unevaluatedProperties: false
Signed-off-by: Naresh Solanki <naresh.solanki@...ements.com>
Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
Change-Id: Id8915b6fa18d59e5a0770ac279d893b0c9e891f3
---
.../devicetree/bindings/hwmon/fan-common.yaml | 78 +++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml
diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
new file mode 100644
index 000000000000..be4ce3bd7f22
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$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@...ements.com>
+ - Billy Tsai <billy_tsai@...eedtech.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
+
+ 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
+
+...
--
2.25.1
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