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| author | Chris Morgan <macromorgan@hotmail.com> | 2025-09-04 19:05:26 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2025-09-11 17:54:23 +0300 |
| commit | 76bc2203a46ef704a4cd8003986f6bd74139a367 (patch) | |
| tree | 15d1fcc91ce0e50efe8b6150d73301798ec3f3a5 | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
| download | linux-76bc2203a46ef704a4cd8003986f6bd74139a367.tar.xz | |
dt-bindings: mfd: ti,bq25703a: Add TI BQ25703A Charger
Document the Texas instruments BQ25703A series of charger managers/
buck/boost regulators.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250904160530.66178-2-macroalpha82@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml b/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml new file mode 100644 index 000000000000..ba14663c9266 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ti,bq25703a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BQ25703A Charger Manager/Buck/Boost Converter + +maintainers: + - Chris Morgan <macromorgan@hotmail.com> + +allOf: + - $ref: /schemas/power/supply/power-supply.yaml# + +properties: + compatible: + const: ti,bq25703a + + reg: + const: 0x6b + + input-current-limit-microamp: + description: + Maximum total input current allowed used for both charging and + powering the device. + minimum: 50000 + maximum: 6400000 + default: 3250000 + + interrupts: + maxItems: 1 + + monitored-battery: + description: + A minimum of constant-charge-current-max-microamp, + constant-charge-voltage-max-microvolt, and + voltage-min-design-microvolt are required. + + regulators: + type: object + additionalProperties: false + description: + Boost converter regulator output of bq257xx. + + properties: + vbus: + type: object + $ref: /schemas/regulator/regulator.yaml + additionalProperties: false + + properties: + regulator-name: true + regulator-min-microamp: + minimum: 0 + maximum: 6350000 + regulator-max-microamp: + minimum: 0 + maximum: 6350000 + regulator-min-microvolt: + minimum: 4480000 + maximum: 20800000 + regulator-max-microvolt: + minimum: 4480000 + maximum: 20800000 + enable-gpios: + description: + The BQ25703 may require both a register write and a GPIO + toggle to enable the boost regulator. + + required: + - regulator-name + - regulator-min-microamp + - regulator-max-microamp + - regulator-min-microvolt + - regulator-max-microvolt + +unevaluatedProperties: false + +required: + - compatible + - reg + - input-current-limit-microamp + - monitored-battery + - power-supplies + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/pinctrl/rockchip.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + bq25703: charger@6b { + compatible = "ti,bq25703a"; + reg = <0x6b>; + input-current-limit-microamp = <5000000>; + interrupt-parent = <&gpio0>; + interrupts = <RK_PD5 IRQ_TYPE_LEVEL_LOW>; + monitored-battery = <&battery>; + power-supplies = <&fusb302>; + + regulators { + usb_otg_vbus: vbus { + enable-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>; + regulator-max-microamp = <960000>; + regulator-max-microvolt = <5088000>; + regulator-min-microamp = <512000>; + regulator-min-microvolt = <4992000>; + regulator-name = "usb_otg_vbus"; + }; + }; + }; + }; + +... |