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authorNuno Sá <nuno.sa@analog.com>2019-10-09 13:28:06 +0300
committerGuenter Roeck <linux@roeck-us.net>2020-03-09 06:35:46 +0300
commite81ca0efbbe293a529a441c81949fc7f97a3917f (patch)
treeb31362eb30fcae96dd83e19d97088158efcdbe66 /Documentation/devicetree/bindings/hwmon
parent8412b410fa5e1e494a0fec84c3c462d49870d3f5 (diff)
downloadlinux-e81ca0efbbe293a529a441c81949fc7f97a3917f.tar.xz
dt-bindings: hwmon: Add AXI FAN Control documentation
Document the AXI FAN Control IP core devicetree bindings. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191009102806.262241-2-nuno.sa@analog.com [groeck: adi,pulses-per-revolution -> pulses-per-revolution] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
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diff --git a/Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml b/Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2019 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/hwmon/adi,axi-fan-control.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AXI FAN Control Device Tree Bindings
+
+maintainers:
+ - Nuno Sá <nuno.sa@analog.com>
+
+description: |+
+ Bindings for the Analog Devices AXI FAN Control driver. Spefications of the
+ core can be found in:
+
+ https://wiki.analog.com/resources/fpga/docs/axi_fan_control
+
+properties:
+ compatible:
+ enum:
+ - adi,axi-fan-control-1.00.a
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ pulses-per-revolution:
+ description:
+ Value specifying the number of pulses per revolution of the controlled
+ FAN.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [1, 2, 4]
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - pulses-per-revolution
+
+examples:
+ - |
+ fpga_axi: fpga-axi@0 {
+ #address-cells = <0x2>;
+ #size-cells = <0x1>;
+
+ axi_fan_control: axi-fan-control@80000000 {
+ compatible = "adi,axi-fan-control-1.00.a";
+ reg = <0x0 0x80000000 0x10000>;
+ clocks = <&clk 71>;
+ interrupts = <0 110 0>;
+ pulses-per-revolution = <2>;
+ };
+ };
+...