Re: [PATCH v3] arm64: dts: mt8183-kukui: Add tboard thermal zones
From: Matthias Brugger <matthias.bgg@gmail.com>
Date: 2021-06-09 08:15:11
Also in:
linux-arm-kernel, linux-mediatek, linux-pm, lkml
On 04/06/2021 11:37, Ben Tseng wrote:
From: Michael Kao <redacted> 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 <redacted> Signed-off-by: Ben Tseng <redacted> Tested-by: Hsin-Yi Wang <redacted>
Applied to v5.13-next/dts64 Thanks!
quoted hunk ↗ jump to hunk
--- Change in v3: - Modify Tboard to tbaord in mt8183-kukui.dtsi - Add more description about tboard thermal sensor Change in v2: - Rebase to kernel-v5.13-rc1 - Resend --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 14 ++++++++++++++ arch/arm64/boot/dts/mediatek/mt8183.dtsi | 2 +- 2 files changed, 15 insertions(+), 1 deletion(-)diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index ff56bcf..601f866 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi@@ -847,6 +847,20 @@ status = "okay"; }; +&thermal_zones { + tboard1 { + polling-delay = <1000>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&tboard_thermistor1>; + }; + + tboard2 { + polling-delay = <1000>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&tboard_thermistor2>; + }; +}; + &u3phy { status = "okay"; };diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index c5e822b..4173a5d 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi@@ -673,7 +673,7 @@ nvmem-cell-names = "calibration-data"; }; - thermal-zones { + thermal_zones: thermal-zones { cpu_thermal: cpu_thermal { polling-delay-passive = <100>; polling-delay = <500>;