From: David Heidelberg <[email protected]> Add SMB345 charger node to Nexus 7 2013 DTS. Proper charger configuration prevents battery from overcharging.
Original author: Vinay Simha BN <[email protected]> Signed-off-by: David Heidelberg <[email protected]> --- .../boot/dts/qcom-apq8064-asus-nexus7-flo.dts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts index a701d4bac320..0c126df20417 100644 --- a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts +++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts @@ -3,6 +3,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/pinctrl/qcom,pmic-gpio.h> +#include <dt-bindings/power/summit,smb347-charger.h> / { model = "Asus Nexus7(flo)"; compatible = "asus,nexus7-flo", "qcom,apq8064"; @@ -56,6 +57,12 @@ volume_down { }; }; + battery_cell: battery-cell { + compatible = "simple-battery"; + constant-charge-current-max-microamp = <1800000>; + operating-range-celsius = <0 45>; + }; + soc { rpm@108000 { regulators { @@ -296,8 +303,25 @@ eeprom@52 { bq27541@55 { compatible = "ti,bq27541"; reg = <0x55>; + power-supplies = <&power_supply>; + monitored-battery = <&battery_cell>; }; + power_supply: charger@6a { + compatible = "summit,smb345"; + reg = <0x6a>; + + interrupt-parent = <&tlmm_pinmux>; + interrupts = <23 IRQ_TYPE_EDGE_BOTH>; + + summit,chip-temperature-threshold-celsius = <110>; + summit,usb-current-limit-microamp = <500000>; + summit,enable-charge-control = <SMB3XX_CHG_ENABLE_SW>; + summit,enable-usb-charging; + summit,enable-otg-charging; + + monitored-battery = <&battery_cell>; + }; }; }; -- 2.27.0
