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

From: Conor Dooley
Date: Sat Jul 29 2023 - 06:03:28 EST


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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