diff options
Diffstat (limited to 'Bindings/power/supply')
| -rw-r--r-- | Bindings/power/supply/axp20x_battery.txt | 20 | ||||
| -rw-r--r-- | Bindings/power/supply/cpcap-charger.txt | 37 | ||||
| -rw-r--r-- | Bindings/power/supply/lego_ev3_battery.txt | 21 | ||||
| -rw-r--r-- | Bindings/power/supply/ltc2941.txt | 6 | ||||
| -rw-r--r-- | Bindings/power/supply/max8925_battery.txt (renamed from Bindings/power/supply/max8925_batter.txt) | 0 |
5 files changed, 81 insertions, 3 deletions
diff --git a/Bindings/power/supply/axp20x_battery.txt b/Bindings/power/supply/axp20x_battery.txt new file mode 100644 index 000000000000..c24886676a60 --- /dev/null +++ b/Bindings/power/supply/axp20x_battery.txt @@ -0,0 +1,20 @@ +AXP20x and AXP22x battery power supply + +Required Properties: + - compatible, one of: + "x-powers,axp209-battery-power-supply" + "x-powers,axp221-battery-power-supply" + +This node is a subnode of the axp20x/axp22x PMIC. + +The AXP20X and AXP22X can read the battery voltage, charge and discharge +currents of the battery by reading ADC channels from the AXP20X/AXP22X +ADC. + +Example: + +&axp209 { + battery_power_supply: battery-power-supply { + compatible = "x-powers,axp209-battery-power-supply"; + } +}; diff --git a/Bindings/power/supply/cpcap-charger.txt b/Bindings/power/supply/cpcap-charger.txt new file mode 100644 index 000000000000..80bd873c3b1d --- /dev/null +++ b/Bindings/power/supply/cpcap-charger.txt @@ -0,0 +1,37 @@ +Motorola CPCAP PMIC battery charger binding + +Required properties: +- compatible: Shall be "motorola,mapphone-cpcap-charger" +- interrupts: Interrupt specifier for each name in interrupt-names +- interrupt-names: Should contain the following entries: + "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn", + "rvrs_mode", "chrgcurr1", "vbusvld", "battdetb" +- io-channels: IIO ADC channel specifier for each name in io-channel-names +- io-channel-names: Should contain the following entries: + "battdetb", "battp", "vbus", "chg_isense", "batti" + +Optional properties: +- mode-gpios: Optionally CPCAP charger can have a companion wireless + charge controller that is controlled with two GPIOs + that are active low. + +Example: + +cpcap_charger: charger { + compatible = "motorola,mapphone-cpcap-charger"; + interrupts-extended = < + &cpcap 13 0 &cpcap 12 0 &cpcap 29 0 &cpcap 28 0 + &cpcap 22 0 &cpcap 20 0 &cpcap 19 0 &cpcap 54 0 + >; + interrupt-names = + "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn", + "rvrs_mode", "chrgcurr1", "vbusvld", "battdetb"; + mode-gpios = <&gpio3 29 GPIO_ACTIVE_LOW + &gpio3 23 GPIO_ACTIVE_LOW>; + io-channels = <&cpcap_adc 0 &cpcap_adc 1 + &cpcap_adc 2 &cpcap_adc 5 + &cpcap_adc 6>; + io-channel-names = "battdetb", "battp", + "vbus", "chg_isense", + "batti"; +}; diff --git a/Bindings/power/supply/lego_ev3_battery.txt b/Bindings/power/supply/lego_ev3_battery.txt new file mode 100644 index 000000000000..5485633b1faa --- /dev/null +++ b/Bindings/power/supply/lego_ev3_battery.txt @@ -0,0 +1,21 @@ +LEGO MINDSTORMS EV3 Battery +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery. +It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is +detected by a key switch in the battery compartment. + +Required properties: + - compatible: Must be "lego,ev3-battery" + - io-channels: phandles to analog inputs for reading voltage and current + - io-channel-names: Must be "voltage", "current" + - rechargeable-gpios: phandle to the rechargeable battery indication gpio + +Example: + + battery { + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; diff --git a/Bindings/power/supply/ltc2941.txt b/Bindings/power/supply/ltc2941.txt index ea42ae12d924..a9d7aa60558b 100644 --- a/Bindings/power/supply/ltc2941.txt +++ b/Bindings/power/supply/ltc2941.txt @@ -6,8 +6,8 @@ temperature monitoring, and uses a slightly different conversion formula for the charge counter. Required properties: -- compatible: Should contain "ltc2941" or "ltc2943" which also indicates the - type of I2C chip attached. +- compatible: Should contain "lltc,ltc2941" or "lltc,ltc2943" which also + indicates the type of I2C chip attached. - reg: The 7-bit I2C address. - lltc,resistor-sense: The sense resistor value in milli-ohms. Can be a 32-bit negative value when the battery has been connected to the wrong end of the @@ -20,7 +20,7 @@ Required properties: Example from the Topic Miami Florida board: fuelgauge: ltc2943@64 { - compatible = "ltc2943"; + compatible = "lltc,ltc2943"; reg = <0x64>; lltc,resistor-sense = <15>; lltc,prescaler-exponent = <5>; /* 2^(2*5) = 1024 */ diff --git a/Bindings/power/supply/max8925_batter.txt b/Bindings/power/supply/max8925_battery.txt index d7e3e0c0f71d..d7e3e0c0f71d 100644 --- a/Bindings/power/supply/max8925_batter.txt +++ b/Bindings/power/supply/max8925_battery.txt |