arm64: dts: mt8183-kukui: Add tboard thermal zones

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Add tboard thermal zones.
The tboard thermal sensors are a kind of NTC sensors which are located
on PCB board to correlate the temperature of the case (Tskin).

pull-up voltage: 1800 mv
pull-up resistor: 75K

Vsense = pull-up voltage * Rntc / ( pull-up resistor + Rntc )
AuxIn = Vsense * 4096 / 1500

Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Ben Tseng <ben.tseng@mediatek.com>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>

Link: https://lore.kernel.org/r/20210604093755.13288-1-ben.tseng@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

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Michael Kao 2021-06-04 17:37:55 +08:00 • committed by Matthias Brugger

parent 4fa8492d1e

commit 507b1b2812

2 changed files with 15 additions and 1 deletions

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arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi

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arch/arm64/boot/dts/mediatek/mt8183.dtsi

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