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From 115d15dadcaeb1ec4ce67c655ac498b358c88fad Mon Sep 17 00:00:00 2001
From: Michael Shych <michaelsh@nvidia.com>
Date: Sat, 30 Apr 2022 14:49:04 +0300
Subject: [PATCH] dt-bindings: hwmon: add microchip,emc2305.yaml dt
binding description.
Submitted to linux-hwmon mailing list at
https://patchwork.kernel.org/project/linux-hwmon/patch/20220430114905.53448-3-michaelsh@nvidia.com/
Add basic description of emc2305 driver device tree binding.
Signed-off-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
---
.../bindings/hwmon/microchip,emc2305.yaml | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/emc2305.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip EMC2305 RPM-based PWM Fan Speed Controller
+
+properties:
+ compatible:
+ enum:
+ - microcip,emc2305
+
+ emc2305,pwm-min:
+ description:
+ Min pwm of emc2305
+ maxItems: 1
+ emc2305,pwm-max:
+ description:
+ Max pwm of emc2305
+ maxItems: 1
+ emc2305,pwm-channel:
+ description:
+ Max number of pwm channels
+ maxItems: 1
+ emcs205,max-state:
+ description:
+ maxItems: 1
+ emc2305,cooling-levels:
+ description:
+ Quantity of cooling level state.
+ maxItems: 1
+
+required:
+ - compatible
+
+optional:
+ - emc2305,min-pwm
+ - emc2305,max-pwm
+ - emc2305,pwm-channels
+ - emc2305,cooling-levels
+
+additionalProperties: false
+
+examples:
+ - |
+ fan {
+ emc2305,compatible = "microchip,emc2305";
+ emc2305,pwm-min = <0>;
+ emc2305,pwm-max = <255>;
+ emc2305,pwm-channel = <5>
+ emc2305,cooling-levels = <10>;
+ };
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