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    Subject[PATCH v8 1/2] dt-bindings: power: Add the bq256xx dt bindings
    Date
    Add the bindings for the bq256xx series of battery charging ICs.

    Datasheets:
    - https://www.ti.com/lit/ds/symlink/bq25600.pdf
    - https://www.ti.com/lit/ds/symlink/bq25601.pdf
    - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
    - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
    - https://www.ti.com/lit/ds/symlink/bq25611d.pdf
    - https://www.ti.com/lit/ds/symlink/bq25618.pdf
    - https://www.ti.com/lit/ds/symlink/bq25619.pdf

    Reviewed-by: Rob Herring <robh@kernel.org>
    Signed-off-by: Ricardo Rivera-Matos <r-rivera-matos@ti.com>
    ---
    .../bindings/power/supply/bq256xx.yaml | 110 ++++++++++++++++++
    1 file changed, 110 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/power/supply/bq256xx.yaml

    diff --git a/Documentation/devicetree/bindings/power/supply/bq256xx.yaml b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml
    new file mode 100644
    index 000000000000..18b54783e11a
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml
    @@ -0,0 +1,110 @@
    +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
    +# Copyright (C) 2020 Texas Instruments Incorporated
    +%YAML 1.2
    +---
    +$id: "http://devicetree.org/schemas/power/supply/bq256xx.yaml#"
    +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
    +
    +title: TI bq256xx Switch Mode Buck Charger
    +
    +maintainers:
    + - Ricardo Rivera-Matos <r-rivera-matos@ti.com>
    +
    +description: |
    + The bq256xx devices are a family of highly-integrated battery charge
    + management and system power management ICs for single cell Li-ion and Li-
    + polymer batteries.
    +
    + Datasheets:
    + - https://www.ti.com/lit/ds/symlink/bq25600.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25601.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25611d.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25618.pdf
    + - https://www.ti.com/lit/ds/symlink/bq25619.pdf
    +
    +properties:
    + compatible:
    + enum:
    + - ti,bq25600
    + - ti,bq25601
    + - ti,bq25600d
    + - ti,bq25601d
    + - ti,bq25611d
    + - ti,bq25618
    + - ti,bq25619
    +
    + reg:
    + maxItems: 1
    +
    + ti,watchdog-timeout-ms:
    + $ref: /schemas/types.yaml#/definitions/uint32
    + default: 0
    + description: |
    + Watchdog timer in ms. 0 (default) disables the watchdog
    + minimum: 0
    + maximum: 160000
    + enum: [ 0, 40000, 80000, 160000]
    +
    + input-voltage-limit-microvolt:
    + description: |
    + Minimum input voltage limit in µV with a 100000 µV step
    + minimum: 3900000
    + maximum: 5400000
    +
    + input-current-limit-microamp:
    + description: |
    + Maximum input current limit in µA with a 100000 µA step
    + minimum: 100000
    + maximum: 3200000
    +
    + 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
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + bat: battery {
    + compatible = "simple-battery";
    + constant-charge-current-max-microamp = <2040000>;
    + constant-charge-voltage-max-microvolt = <4352000>;
    + precharge-current-microamp = <180000>;
    + charge-term-current-microamp = <180000>;
    + };
    + #include <dt-bindings/gpio/gpio.h>
    + #include <dt-bindings/interrupt-controller/irq.h>
    + i2c {
    +
    + clock-frequency = <400000>;
    +
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + charger@6b {
    + compatible = "ti,bq25601";
    + reg = <0x6b>;
    + monitored-battery = <&bat>;
    +
    + interrupt-parent = <&gpio1>;
    + interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
    + ti,watchdog-timeout-ms = <40000>;
    +
    + input-voltage-limit-microvolt = <4500000>;
    + input-current-limit-microamp = <2400000>;
    + };
    + };
    +...
    --
    2.28.0
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