mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-05 11:53:41 +00:00
e00fe40065
Add device tree bindings for Monolithic Power Systems MPQ8785, MPM82504 and MPM3695 PMBus-compliant voltage regulators. These bindings also documents the optional "mps,vout-fb-divider-ratio-permille" property. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250511035701.2607947-2-paweldembicki@gmail.com Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
75 lines
1.6 KiB
YAML
75 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/hwmon/pmbus/mps,mpq8785.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Monolithic Power Systems Multiphase Voltage Regulators with PMBus
|
|
|
|
maintainers:
|
|
- Charles Hsu <ythsu0511@gmail.com>
|
|
|
|
description:
|
|
Monolithic Power Systems digital multiphase voltage regulators with PMBus.
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- mps,mpm3695
|
|
- mps,mpm3695-25
|
|
- mps,mpm82504
|
|
- mps,mpq8785
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
mps,vout-fb-divider-ratio-permille:
|
|
description:
|
|
The feedback resistor divider ratio, expressed in permille
|
|
(Vfb / Vout * 1000). This value is written to the PMBUS_VOUT_SCALE_LOOP
|
|
register and is required for correct output voltage presentation.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
minimum: 1
|
|
maximum: 4095
|
|
default: 706
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
|
|
allOf:
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- mps,mpm3695
|
|
- mps,mpm82504
|
|
then:
|
|
properties:
|
|
mps,vout-fb-divider-ratio-permille:
|
|
maximum: 1023
|
|
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
const: mps,mpq8785
|
|
then:
|
|
properties:
|
|
mps,vout-fb-divider-ratio-permille:
|
|
maximum: 2047
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
pmic@30 {
|
|
compatible = "mps,mpm82504";
|
|
reg = <0x30>;
|
|
mps,vout-fb-divider-ratio-permille = <600>;
|
|
};
|
|
};
|