Re: [PATCH v5 1/2] dt-bindings: power: Add the bq25790 dt bindings

From: Krzysztof Kozlowski
Date: Wed Feb 10 2021 - 03:44:34 EST


On Tue, 2 Feb 2021 at 03:20, Ricardo Rivera-Matos <r-rivera-matos@xxxxxx> wrote:
>
> From: Dan Murphy <dmurphy@xxxxxx>
>
> Add the bindings for the bq25790.
>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Ricardo Rivera-Matos <r-rivera-matos@xxxxxx>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>

Order of tags is entirely wrong. Did Rob review it before Dan write
it? Your Sob should be after Dan's (unless you wrote it at first?).\

> ---
> .../bindings/power/supply/bq25790.yaml | 95 +++++++++++++++++++
> 1 file changed, 95 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/supply/bq25790.yaml
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq25790.yaml b/Documentation/devicetree/bindings/power/supply/bq25790.yaml
> new file mode 100644
> index 000000000000..6d9178ce5a2b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/bq25790.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2020 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/power/supply/bq25790.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: TI BQ25790 Switch Mode Buck-Boost Charger
> +
> +maintainers:
> + - Dan Murphy <dmurphy@xxxxxx>
> +
> +description: |
> + BQ25790 is a highly integrated switch-mode buck-boost charger for 1-4 cell
> + Li-ion batteries and Li-polymer batteries. The device charges a battery from a
> + wide range of input sources including legacy USB adapters to high voltage USB
> + PD adapters and traditional barrel adapters.
> +
> +allOf:
> + - $ref: power-supply.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - ti,bq25790
> + - ti,bq25792
> +
> + reg:
> + maxItems: 1
> +
> + ti,watchdog-timeout-ms:
> + default: 0
> + description: |
> + Watchdog timer in milli seconds. 0 (default) disables the watchdog.
> + minimum: 0
> + maximum: 160000

Why do you need minimum/maximum if you enumerate the values?

> + enum: [ 0, 500, 1000, 2000, 20000, 40000, 80000, 160000]
> +
> + input-voltage-limit-microvolt:
> + description: |
> + Minimum input voltage limit in micro volts with a 100000 micro volt step.
> + minimum: 3600000
> + maximum: 22000000
> +
> + input-current-limit-microamp:
> + description: |
> + Maximum input current limit in micro amps with a 100000 micro amp step.
> + minimum: 100000
> + maximum: 3300000
> +
> + monitored-battery:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle to the battery node being monitored
> +
> + interrupts:
> + maxItems: 1
> + description: |
> + Interrupt sends an active low, 256 μs pulse to host to report the charger
> + device status and faults.
> +
> +required:
> + - compatible
> + - reg
> + - monitored-battery
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + bat: battery {
> + compatible = "simple-battery";
> + constant-charge-current-max-microamp = <2000000>;
> + constant-charge-voltage-max-microvolt = <4200000>;
> + precharge-current-microamp = <160000>;
> + charge-term-current-microamp = <160000>;
> + };
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/irq.h>

Includes go to the beginning of example (and to beginning of DTS).

Best regards,
Krzysztof