20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
76 lines
1.9 KiB
Diff
76 lines
1.9 KiB
Diff
From 115d15dadcaeb1ec4ce67c655ac498b358c88fad Mon Sep 17 00:00:00 2001
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From: Michael Shych <michaelsh@nvidia.com>
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Date: Sat, 30 Apr 2022 14:49:04 +0300
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Subject: [PATCH] dt-bindings: hwmon: add microchip,emc2305.yaml dt
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binding description.
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Submitted to linux-hwmon mailing list at
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https://patchwork.kernel.org/project/linux-hwmon/patch/20220430114905.53448-3-michaelsh@nvidia.com/
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Add basic description of emc2305 driver device tree binding.
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Signed-off-by: Michael Shych <michaelsh@nvidia.com>
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Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
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---
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.../bindings/hwmon/microchip,emc2305.yaml | 54 +++++++++++++++++++
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1 file changed, 54 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
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@@ -0,0 +1,54 @@
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+
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+$id: http://devicetree.org/schemas/hwmon/emc2305.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Microchip EMC2305 RPM-based PWM Fan Speed Controller
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+
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+properties:
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+ compatible:
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+ enum:
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+ - microcip,emc2305
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+
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+ emc2305,pwm-min:
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+ description:
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+ Min pwm of emc2305
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+ maxItems: 1
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+ emc2305,pwm-max:
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+ description:
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+ Max pwm of emc2305
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+ maxItems: 1
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+ emc2305,pwm-channel:
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+ description:
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+ Max number of pwm channels
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+ maxItems: 1
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+ emcs205,max-state:
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+ description:
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+ maxItems: 1
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+ emc2305,cooling-levels:
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+ description:
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+ Quantity of cooling level state.
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+ maxItems: 1
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+
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+required:
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+ - compatible
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+
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+optional:
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+ - emc2305,min-pwm
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+ - emc2305,max-pwm
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+ - emc2305,pwm-channels
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+ - emc2305,cooling-levels
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ fan {
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+ emc2305,compatible = "microchip,emc2305";
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+ emc2305,pwm-min = <0>;
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+ emc2305,pwm-max = <255>;
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+ emc2305,pwm-channel = <5>
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+ emc2305,cooling-levels = <10>;
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+ };
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