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dt-bindings: hwmon: Convert ltc2978.txt to yaml

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Convert binding doc ltc2978.txt to yaml format.
Additional change:
- add i2c node.

Fix below warning:
arch/arm64/boot/dts/freescale/fsl-lx2160a-clearfog-cx.dtb: /soc/i2c@2000000/i2c-mux@77/i2c@2/regulator@5c:
	failed to match any schema with compatible: ['lltc,ltc3882']

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Message-ID: <20240829150641.1307906-1-Frank.Li@nxp.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Frank Li 2024-08-29 11:06:41 -04:00 committed by Guenter Roeck
parent 98845e7753
commit 2f0d9872be
2 changed files with 94 additions and 62 deletions
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94
Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/lltc,ltc2978.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Octal Digital Power-supply monitor/supervisor/sequencer/margin controller.
maintainers:
- Frank Li <Frank.Li@nxp.com>
properties:
compatible:
enum:
- lltc,ltc2972
- lltc,ltc2974
- lltc,ltc2975
- lltc,ltc2977
- lltc,ltc2978
- lltc,ltc2979
- lltc,ltc2980
- lltc,ltc3880
- lltc,ltc3882
- lltc,ltc3883
- lltc,ltc3884
- lltc,ltc3886
- lltc,ltc3887
- lltc,ltc3889
- lltc,ltc7880
- lltc,ltm2987
- lltc,ltm4664
- lltc,ltm4675
- lltc,ltm4676
- lltc,ltm4677
- lltc,ltm4678
- lltc,ltm4680
- lltc,ltm4686
- lltc,ltm4700
reg:
maxItems: 1
regulators:
type: object
description: |
list of regulators provided by this controller.
Valid names of regulators depend on number of supplies supported per device:
* ltc2972 vout0 - vout1
* ltc2974, ltc2975 : vout0 - vout3
* ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
* ltc2978 : vout0 - vout7
* ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
* ltc7880 : vout0 - vout1
* ltc3883 : vout0
* ltm4664 : vout0 - vout1
* ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1
* ltm4680, ltm4686 : vout0 - vout1
* ltm4700 : vout0 - vout1
patternProperties:
"^vout[0-7]$":
$ref: /schemas/regulator/regulator.yaml#
type: object
unevaluatedProperties: false
additionalProperties: false
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
regulator@5e {
compatible = "lltc,ltc2978";
reg = <0x5e>;
regulators {
vout0 {
regulator-name = "FPGA-2.5V";
};
vout2 {
regulator-name = "FPGA-1.5V";
};
};
};
};

62
Documentation/devicetree/bindings/hwmon/ltc2978.txt
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ltc2978
Required properties:
- compatible: should contain one of:
* "lltc,ltc2972"
* "lltc,ltc2974"
* "lltc,ltc2975"
* "lltc,ltc2977"
* "lltc,ltc2978"
* "lltc,ltc2979"
* "lltc,ltc2980"
* "lltc,ltc3880"
* "lltc,ltc3882"
* "lltc,ltc3883"
* "lltc,ltc3884"
* "lltc,ltc3886"
* "lltc,ltc3887"
* "lltc,ltc3889"
* "lltc,ltc7880"
* "lltc,ltm2987"
* "lltc,ltm4664"
* "lltc,ltm4675"
* "lltc,ltm4676"
* "lltc,ltm4677"
* "lltc,ltm4678"
* "lltc,ltm4680"
* "lltc,ltm4686"
* "lltc,ltm4700"
- reg: I2C slave address
Optional properties:
- regulators: A node that houses a sub-node for each regulator controlled by
the device. Each sub-node is identified using the node's name, with valid
values listed below. The content of each sub-node is defined by the
standard binding for regulators; see regulator.txt.
Valid names of regulators depend on number of supplies supported per device:
* ltc2972 vout0 - vout1
* ltc2974, ltc2975 : vout0 - vout3
* ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
* ltc2978 : vout0 - vout7
* ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
* ltc7880 : vout0 - vout1
* ltc3883 : vout0
* ltm4664 : vout0 - vout1
* ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1
* ltm4680, ltm4686 : vout0 - vout1
* ltm4700 : vout0 - vout1
Example:
ltc2978@5e {
compatible = "lltc,ltc2978";
reg = <0x5e>;
regulators {
vout0 {
regulator-name = "FPGA-2.5V";
};
vout2 {
regulator-name = "FPGA-1.5V";
};
};
};