diff options
Diffstat (limited to 'arch/arm/boot/dts/da850-lego-ev3.dts')
| -rw-r--r-- | arch/arm/boot/dts/da850-lego-ev3.dts | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index 512604ad8b71..45983c04a8a7 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -172,6 +172,18 @@ gpio = <&gpio 111 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + /* + * The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack. + */ + battery { + pinctrl-names = "default"; + pintctrl-0 = <&battery_pins>; + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; }; &pmx_core { @@ -228,6 +240,15 @@ 0x34 0x00000008 0x0000000f >; }; + + battery_pins: pinmux_battery_pins { + pinctrl-single,bits = < + /* GP0[6] */ + 0x04 0x00000080 0x000000f0 + /* GP8[8] */ + 0x4c 0x00000080 0x000000f0 + >; + }; }; &pinconf { @@ -342,6 +363,13 @@ &gpio { status = "okay"; + + /* Don't pull down battery voltage adc io channel */ + batt_volt_en { + gpio-hog; + gpios = <6 GPIO_ACTIVE_HIGH>; + output-low; + }; }; &usb_phy { |