From a2c06140b92a0fde8587e7a413014701cf121836 Mon Sep 17 00:00:00 2001 From: Andreas Kemnade Date: Sat, 19 Oct 2024 13:11:21 +0200 Subject: [PATCH] ARM: dts: ti/omap: omap4-epson-embt2ws: add charger Add charger and battery definition for the Epson Moverio BT-200 to make charging working. Signed-off-by: Andreas Kemnade Link: https://lore.kernel.org/r/20241019111121.331477-1-andreas@kemnade.info Signed-off-by: Kevin Hilman --- .../boot/dts/ti/omap/omap4-epson-embt2ws.dts | 28 ++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts index 6bc8c0397c29..c90f43cc2fae 100644 --- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts +++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts @@ -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>; -- 2.50.1