Re: [PATCH 1/4] dt-bindings: power: supply: Add pm8916 VM-BMS

[Conor Dooley <conor@xxxxxxxxxx>]

On Fri, Jul 28, 2023 at 10:19:30PM +0500, Nikita Travkin wrote:
> Qualcomm Voltage Mode BMS is a battery monitoring block in PM8916 PMIC.
> Document it's DT binding.
> 
> Signed-off-by: Nikita Travkin <nikita@xxxxxxx>
> ---
>  .../bindings/power/supply/qcom,pm8916-bms-vm.yaml  | 64 ++++++++++++++++++++++
>  1 file changed, 64 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml
> new file mode 100644
> index 000000000000..455973d46862
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-bms-vm.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Voltage Mode BMS
> +
> +maintainers:
> +  - Nikita Travkin <nikita@xxxxxxx>
> +
> +description:
> +  Voltage Mode BMS is a hardware block found in some Qualcomm PMICs
> +  such as pm8916. This block performs battery voltage monitoring.
> +
> +allOf:
> +  - $ref: power-supply.yaml#
> +
> +properties:
> +  compatible:
> +    const: qcom,pm8916-bms-vm
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: FIFO update done

You don't need items: here since you only have one - const: will do.

> +  interrupt-names:
> +    items:
> +      - const: fifo

Same here, but do you really need a name, when you have only one
interrupt?

Thanks,
Conor.

> +
> +  monitored-battery: true
> +
> +  power-supplies: true
> +
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +  - monitored-battery
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    pmic {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      battery@4000 {
> +        compatible = "qcom,pm8916-bms-vm";
> +        reg = <0x4000>;
> +        interrupts = <0x0 0x40 4 IRQ_TYPE_EDGE_RISING>;
> +        interrupt-names = "fifo";
> +
> +        monitored-battery = <&battery>;
> +        power-supplies = <&pm8916_charger>;
> +      };
> +    };
> 
> -- 
> 2.41.0
>

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