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ARM: dts: ti/omap: omap4-epson-embt2ws: add charger

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Add charger and battery definition for the Epson Moverio BT-200 to make
charging working.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20241019111121.331477-1-andreas@kemnade.info
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Andreas Kemnade 2024-10-19 13:11:21 +02:00 • committed by Kevin Hilman
parent 96a64e9730
commit a2c06140b9
1 changed files with 27 additions and 1 deletions
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28
arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
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@ -17,6 +17,24 @@
reg = <0x80000000 0x40000000>; /* 1024M */
};
battery: battery {
compatible = "simple-battery";
device-chemistry = "lithium-ion";
charge-full-design-microamp-hours = <2720000>;
voltage-max-design-microvolt = <4200000>;
voltage-min-design-microvolt = <3300000>;
constant-charge-voltage-max-microvolt = <4200000>;
/*
* vendor kernel says max charge 1400000, input limit 900000
* and charges only with dcp chargers. So it is unclear what
* is really allowed. Play safe for now and restrict things
* here. Maybe 900000 is just the limit of the vendor charger?
*/
constant-charge-current-max-microamp = <900000>;
charge-term-current-microamp = <200000>;
};
backlight-left {
compatible = "pwm-backlight";
pwms = <&twl_pwm 1 7812500>;
@ -198,6 +216,14 @@
#interrupt-cells = <1>;
system-power-controller;
charger {
compatible = "ti,twl6032-charger", "ti,twl6030-charger";
interrupts = <2>, <5>;
io-channels = <&gpadc 10>;
io-channel-names = "vusb";
monitored-battery = <&battery>;
};
rtc {
compatible = "ti,twl4030-rtc";
interrupts = <11>;
@ -277,7 +303,7 @@
#pwm-cells = <2>;
};
gpadc {
gpadc: gpadc {
compatible = "ti,twl6032-gpadc";
interrupts = <3>;
#io-channel-cells = <1>;