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| author |   Linus Walleij <linus.walleij@linaro.org> | 2021-12-15 18:39:52 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-02-05 01:25:30 +0100 |
| commit | fb7f1727fdf83931eab2bd9bc0978133bf231a54 (patch) | |
| tree | 610facc0d7e7dc0379268eb08b6c6195c7e25dbb /arch/arm/boot/dts/ste-snowball.dts | |
| parent | Linux 5.17-rc1 (diff) | |
| download | linux-dev-fb7f1727fdf83931eab2bd9bc0978133bf231a54.tar.xz linux-dev-fb7f1727fdf83931eab2bd9bc0978133bf231a54.zip | |
ARM: dts: ux500: Add battery thermal zones and NTCs
Add the thermal zones and thermistors used by the battery
charging code to the device tree so the charger code can look
up and poll the thermal zone for battery temperature.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/ste-snowball.dts')
| -rw-r--r-- | arch/arm/boot/dts/ste-snowball.dts | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts index fb719c8a8eb2..a24e45e06eec 100644 --- a/arch/arm/boot/dts/ste-snowball.dts +++ b/arch/arm/boot/dts/ste-snowball.dts @@ -20,7 +20,24 @@ battery: battery { compatible = "simple-battery"; battery-type = "lithium-ion-polymer"; - thermistor-on-batctrl; + }; + + thermal-zones { + battery-thermal { + /* This zone will be polled by the battery temperature code */ + polling-delay = <0>; + polling-delay-passive = <0>; + thermal-sensors = <&bat_therm>; + }; + }; + + bat_therm: thermistor { + compatible = "murata,ncp18wb473"; + io-channels = <&gpadc 0x02>; /* BatTemp */ + pullup-uv = <1800000>; + pullup-ohm = <230000>; + pulldown-ohm = <0>; + #thermal-sensor-cells = <0>; }; en_3v3_reg: en_3v3 { |