summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/power/supply/bq25890.yaml
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-29 01:43:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-29 01:43:58 +0300
commit5a69e9bce9984806029926f405b4517878e703e2 (patch)
tree97d3a817b17a3f8a2e7d6099c6d96bcb67d1cd66 /Documentation/devicetree/bindings/power/supply/bq25890.yaml
parenta8b5e037d8a00d396377a97f08f5fd2a410b96a1 (diff)
parentd0a43c12ee9f57ddb284272187bd18726c2c2c98 (diff)
downloadlinux-5a69e9bce9984806029926f405b4517878e703e2.tar.xz
Merge tag 'for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel: "battery/charger driver changes: - core: - provide function stubs if CONFIG_POWER_SUPPLY=n - reduce loglevel for probe defer info - surface: - new battery and charger drivers for Surface - bq27xxx: - add bq78z100 support - fix current_now/power_avg for newer chips - cw2015: - add CHARGE_NOW support - ab8500: - drop pdata support - convert most DT bindings to YAML - lots of minor fixes and cleanups reset drivers: - ltc2952-poweroff: - make trigger delay configurable from DT - minor fixes and cleanups" * tag 'for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (97 commits) power: supply: cpcap-battery: fix invalid usage of list cursor power: supply: bq256xx: add kerneldoc for structure members power: supply: act8945a: correct kerneldoc power: supply: max17040: remove unneeded double cast power: supply: max17040: handle device_property_read_u8_array() failure power: supply: max14577: remove unneeded variable initialization power: supply: surface-charger: Make symbol 'surface_ac_pm_ops' static power: supply: surface-battery: Make some symbols static power: reset: restart-poweroff: Add missing MODULE_DEVICE_TABLE power: reset: hisi-reboot: add missing MODULE_DEVICE_TABLE power: supply: s3c_adc_battery: fix possible use-after-free in s3c_adc_bat_remove() power: supply: generic-adc-battery: fix possible use-after-free in gab_remove() power: supply: Add AC driver for Surface Aggregator Module power: supply: Add battery driver for Surface Aggregator Module power: supply: bq25980: Move props from battery node power: supply: core: Use true and false for bool variable power: supply: goldfish: Remove the GOLDFISH dependency power: reset: ltc2952: make trigger delay configurable power: supply: cpcap-charger: Simplify bool conversion power: supply: cpcap-charger: Add usleep to cpcap charger to avoid usb plug bounce ...
Diffstat (limited to 'Documentation/devicetree/bindings/power/supply/bq25890.yaml')
-rw-r--r--Documentation/devicetree/bindings/power/supply/bq25890.yaml123
1 files changed, 123 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.yaml b/Documentation/devicetree/bindings/power/supply/bq25890.yaml
new file mode 100644
index 000000000000..bf823b615439
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/bq25890.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2021 Sebastian Reichel
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/supply/bq25890.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Binding for bq25890, bq25892, bq25895 and bq25896 Li-Ion Charger
+
+maintainers:
+ - Sebastian Reichel <sre@kernel.org>
+
+allOf:
+ - $ref: power-supply.yaml#
+
+properties:
+ compatible:
+ enum:
+ - ti,bq25890
+ - ti,bq25892
+ - ti,bq25895
+ - ti,bq25896
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ ti,battery-regulation-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum charging voltage (in uV)
+
+ ti,charge-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum charging current (in uA)
+
+ ti,termination-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ charge will be terminated when current in constant-voltage phase
+ drops below this value (in uA)
+
+ ti,precharge-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum charge current during precharge phase (in uA)
+
+ ti,minimum-sys-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ when battery is charging and it is below minimum system voltage,
+ the system will be regulated above minimum-sys-voltage setting (in uV)
+
+ ti,boost-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: VBUS voltage level in boost mode (in uV)
+
+ ti,boost-max-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum allowed current draw in boost mode (in uA)
+
+ ti,boost-low-freq:
+ description: boost mode frequency will be 500kHz, otherwise 1.5MHz
+ type: boolean
+
+ ti,use-ilim-pin:
+ description: |
+ ILIM resistor will be used and the input current will be the lower
+ between the resistor setting and the IINLIM register setting
+ type: boolean
+
+ ti,thermal-regulation-threshold:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ temperature above which the charge current is lowered, to avoid overheating
+ (in degrees Celsius). If omitted, the default setting will be used (120 degrees)
+
+ ti,ibatcomp-micro-ohms:
+ description: value of a resistor in series with the battery (in Micro Ohms)
+
+ ti,ibatcomp-clamp-microvolt:
+ description: max. charging voltage adjustment due to expected voltage drop on in-series resistor
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - ti,battery-regulation-voltage
+ - ti,charge-current
+ - ti,termination-current
+ - ti,precharge-current
+ - ti,minimum-sys-voltage
+ - ti,boost-voltage
+ - ti,boost-max-current
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ charger@6a {
+ compatible = "ti,bq25890";
+ reg = <0x6a>;
+
+ interrupt-parent = <&gpio1>;
+ interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+
+ ti,battery-regulation-voltage = <4200000>;
+ ti,charge-current = <1000000>;
+ ti,termination-current = <50000>;
+ ti,precharge-current = <128000>;
+ ti,minimum-sys-voltage = <3600000>;
+ ti,boost-voltage = <5000000>;
+ ti,boost-max-current = <1000000>;
+
+ ti,use-ilim-pin;
+ ti,thermal-regulation-threshold = <120>;
+ };
+ };