On Thu, May 28, 2020 at 05:53:49PM -0500, Ricardo Rivera-Matos wrote:
> The BQ2515X family of devices are highly integrated battery management
> ICs that integrate the most common functions for wearable devices
> namely a charger, an output voltage rail, ADC for battery and system
> monitoring, and a push-button controller.
>
> Datasheets:
> http://www.ti.com/lit/ds/symlink/bq25150.pdf
> http://www.ti.com/lit/ds/symlink/bq25155.pdf
>
> Signed-off-by: Ricardo Rivera-Matos
> ---
> .../bindings/power/supply/bq2515x.yaml| 91 +++
> 1 file changed, 91 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/power/supply/bq2515x.yaml
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq2515x.yaml
> b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml
> new file mode 100644
> index ..19cb336d581e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml
> @@ -0,0 +1,91 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2020 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/power/supply/bq2515x.yaml#;
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#;
> +
> +title: TI bq2515x 500-mA Linear charger family
> +
> +maintainers:
> + - Dan Murphy
> + - Ricardo Rivera-Matos
> +
> +description: |
> + The BQ2515x family is a highly integrated battery charge management IC that
> + integrates the most common functions for wearable devices, namely a
> charger,
> + an output voltage rail, ADC for battery and system monitoring, and
> + push-button controller.
> +
> + Specifications about the charger can be found at:
> +http://www.ti.com/lit/ds/symlink/bq25150.pdf
> +http://www.ti.com/lit/ds/symlink/bq25155.pdf
> +
> +properties:
> + compatible:
> +enum:
> + - ti,bq25150
> + - ti,bq25155
> +
> + reg:
> +maxItems: 1
> +description: I2C address of the charger.
> +
> + ac-detect-gpios:
> +description: |
> + GPIO used for connecting the bq2515x device PG (AC Detect)
> + pin.
> +maxItems: 1
> +
> + reset-gpios:
> +description: GPIO used for hardware reset.
> +maxItems: 1
> +
> + powerdown-gpios:
> +description: GPIO used for low power mode of IC.
> +maxItems: 1
> +
> + charge-enable-gpios:
> +description: GPIO used to turn on and off charging.
> +maxItems: 1
> +
> + input-current-limit-microamp:
> +$ref: /schemas/types.yaml#/definitions/uint32
> +description: Maximum input current in micro Amps.
> +minimum: 5
> +maximum: 50
> +
> + monitored-battery:
> +$ref: battery.yaml#
This doesn't work. It's saying monitored-battery is a node containing
all the properties in battery.yaml.
> +
> +required:
> + - compatible
> + - reg
How is the battery optional?
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +bat: battery {
> + compatible = "simple-battery";
> + constant-charge-current-max-microamp = <5>;
> + precharge-current-microamp = <2500>;
> + constant-charge-voltage-max-microvolt = <400>;
> +};
> +#include
> +i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + bq25150: charger@6b {
> +compatible = "ti,bq25150";
> +reg = <0x6b>;
> +monitored-battery = <>;
> +input-current-limit-microamp = <10>;
> +
> +ac-detect-gpios = < 28 GPIO_ACTIVE_HIGH>;
> +reset-gpios = < 14 GPIO_ACTIVE_HIGH>;
> +powerdown-gpios = < 15 GPIO_ACTIVE_HIGH>;
> +charge-enable-gpios = < 13 GPIO_ACTIVE_LOW>;
> + };
> +};
> --
> 2.26.2
>
