Qualcomm Linear Battery Charger is a CC/CV charger block in PM8916 PMIC. Document it's DT binding. Signed-off-by: Nikita Travkin <nikita@xxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- v2: List all interrupts (Conor) --- .../bindings/power/supply/qcom,pm8916-lbc.yaml | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/Documentation/devicetree/bindings/power/supply/qcom,pm8916-lbc.yaml b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-lbc.yaml new file mode 100644 index 000000000000..cdf14e5ed119 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/qcom,pm8916-lbc.yaml @@ -0,0 +1,128 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/qcom,pm8916-lbc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Linear Battery Charger + +maintainers: + - Nikita Travkin <nikita@xxxxxxx> + +description: + Linear Battery Charger hardware block, found in some Qualcomm PMICs + such as pm8916. Implements a simple, autonomous CC/CV charger. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: qcom,pm8916-lbc + + reg: + items: + - description: Charger + - description: Battery + - description: USB + - description: MISC + + reg-names: + items: + - const: chgr + - const: bat_if + - const: usb + - const: misc + + interrupts: + items: + - description: Battery detection + - description: Fast charging + - description: Charging failed + - description: Charging done + - description: Battery present + - description: Battery temperature OK + - description: USB coarse detection + - description: USB IN valid + - description: Charger gone + - description: Overtemperature + + interrupt-names: + items: + - const: vbat_det + - const: fast_chg + - const: chg_fail + - const: chg_done + - const: bat_pres + - const: temp_ok + - const: coarse_det + - const: usb_vbus + - const: chg_gone + - const: overtemp + + qcom,fast-charge-safe-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 4000000 + maximum: 4775000 + description: + Maximum safe battery voltage in uV; May be pre-set by bootloader, + in which case, setting this will harmlessly fail. + + qcom,fast-charge-safe-current: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 90000 + maximum: 1440000 + description: + Maximum safe battery charge current in uA; May be pre-set by + bootloader, in which case setting this will harmlessly fail. + + monitored-battery: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + - qcom,fast-charge-safe-voltage + - qcom,fast-charge-safe-current + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + pmic { + #address-cells = <1>; + #size-cells = <0>; + + charger@1000 { + compatible = "qcom,pm8916-lbc"; + reg = <0x1000>, <0x1200>, <0x1300>, <0x1600>; + reg-names = "chgr", "bat_if", "usb", "misc"; + + interrupts = <0x0 0x10 0 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x10 6 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 0 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 4 IRQ_TYPE_EDGE_BOTH>; + interrupt-names = "vbat_det", + "fast_chg", + "chg_fail", + "chg_done", + "bat_pres", + "temp_ok", + "coarse_det", + "usb_vbus", + "chg_gone", + "overtemp"; + monitored-battery = <&battery>; + + qcom,fast-charge-safe-current = <900000>; + qcom,fast-charge-safe-voltage = <4300000>; + }; + }; -- 2.41.0
