diff options
author | Ninad Malwade <nmalwade@nvidia.com> | 2023-09-29 13:36:47 +0300 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2023-10-28 19:21:48 +0300 |
commit | 81b75e336c139be9ad4b3dce56d24e722850d2b4 (patch) | |
tree | ca0b95f047ec09eca4bb971939cf90eaaf3ed2d9 /Documentation/devicetree/bindings/hwmon | |
parent | fe0eba175e96820ae6b8ff2d6407ca5ab40a1d31 (diff) | |
download | linux-81b75e336c139be9ad4b3dce56d24e722850d2b4.tar.xz |
dt-bindings: hwmon: ina3221: Convert to json-schema
Convert the TI INA3221 bindings from the free-form text format to
json-schema.
Note that the INA3221 input channels default to enabled in the chip.
Unless channels are explicitly disabled in device-tree, input
channels will be enabled.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ninad Malwade <nmalwade@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230929103650.86074-2-jonathanh@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ina3221.txt | 54 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml | 102 |
2 files changed, 102 insertions, 54 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ina3221.txt b/Documentation/devicetree/bindings/hwmon/ina3221.txt deleted file mode 100644 index fa63b6171407..000000000000 --- a/Documentation/devicetree/bindings/hwmon/ina3221.txt +++ /dev/null @@ -1,54 +0,0 @@ -Texas Instruments INA3221 Device Tree Bindings - -1) ina3221 node - Required properties: - - compatible: Must be "ti,ina3221" - - reg: I2C address - - Optional properties: - - ti,single-shot: This chip has two power modes: single-shot (chip takes one - measurement and then shuts itself down) and continuous ( - chip takes continuous measurements). The continuous mode is - more reliable and suitable for hardware monitor type device, - but the single-shot mode is more power-friendly and useful - for battery-powered device which cares power consumptions - while still needs some measurements occasionally. - If this property is present, the single-shot mode will be - used, instead of the default continuous one for monitoring. - - = The node contains optional child nodes for three channels = - = Each child node describes the information of input source = - - - #address-cells: Required only if a child node is present. Must be 1. - - #size-cells: Required only if a child node is present. Must be 0. - -2) child nodes - Required properties: - - reg: Must be 0, 1 or 2, corresponding to IN1, IN2 or IN3 port of INA3221 - - Optional properties: - - label: Name of the input source - - shunt-resistor-micro-ohms: Shunt resistor value in micro-Ohm - -Example: - -ina3221@40 { - compatible = "ti,ina3221"; - reg = <0x40>; - #address-cells = <1>; - #size-cells = <0>; - - input@0 { - reg = <0x0>; - status = "disabled"; - }; - input@1 { - reg = <0x1>; - shunt-resistor-micro-ohms = <5000>; - }; - input@2 { - reg = <0x2>; - label = "VDD_5V"; - shunt-resistor-micro-ohms = <5000>; - }; -}; diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml new file mode 100644 index 000000000000..0fd8ae5f6a22 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/ti,ina3221.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments INA3221 Current and Voltage Monitor + +maintainers: + - Jean Delvare <jdelvare@suse.com> + - Guenter Roeck <linux@roeck-us.net> + +properties: + compatible: + const: ti,ina3221 + + reg: + maxItems: 1 + + ti,single-shot: + description: | + This chip has two power modes: single-shot (chip takes one measurement + and then shuts itself down) and continuous (chip takes continuous + measurements). The continuous mode is more reliable and suitable for + hardware monitor type device, but the single-shot mode is more power- + friendly and useful for battery-powered device which cares power + consumptions while still needs some measurements occasionally. + + If this property is present, the single-shot mode will be used, instead + of the default continuous one for monitoring. + $ref: /schemas/types.yaml#/definitions/flag + + "#address-cells": + description: Required only if a child node is present. + const: 1 + + "#size-cells": + description: Required only if a child node is present. + const: 0 + +patternProperties: + "^input@[0-2]$": + description: The node contains optional child nodes for three channels. + Each child node describes the information of input source. Input channels + default to enabled in the chip. Unless channels are explicitly disabled + in device-tree, input channels will be enabled. + type: object + additionalProperties: false + properties: + reg: + description: Must be 0, 1 and 2, corresponding to the IN1, IN2 or IN3 + ports of the INA3221, respectively. + enum: [ 0, 1, 2 ] + + label: + description: name of the input source + + shunt-resistor-micro-ohms: + description: shunt resistor value in micro-Ohm + + required: + - reg + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + power-sensor@40 { + compatible = "ti,ina3221"; + reg = <0x40>; + #address-cells = <1>; + #size-cells = <0>; + + input@0 { + reg = <0x0>; + /* + * Input channels are enabled by default in the device and so + * to disable, must be explicitly disabled in device-tree. + */ + status = "disabled"; + }; + + input@1 { + reg = <0x1>; + shunt-resistor-micro-ohms = <5000>; + }; + + input@2 { + reg = <0x2>; + label = "VDD_5V"; + shunt-resistor-micro-ohms = <5000>; + }; + }; + }; |