From: Ben Tseng <ben.tseng@mediatek.com>
To: Fan Chen <fan.chen@mediatek.com>, Zhang Rui <rui.zhang@intel.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
<linux-pm@vger.kernel.org>, <srv_heupstream@mediatek.com>
Cc: Eduardo Valentin <edubezval@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>, <hsinyi@chromium.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
Michael Kao <michael.kao@mediatek.com>,
Ben Tseng <ben.tseng@mediatek.com>
Subject: [PATCH v2] arm64: dts: mt8183-kukui: Enable thermal Tboard
Date: Thu, 3 Jun 2021 18:59:01 +0800 [thread overview]
Message-ID: <20210603105901.21552-1-ben.tseng@mediatek.com> (raw)
From: Michael Kao <michael.kao@mediatek.com>
Add Tboard thermal sensor settings.
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>
---
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..65768ab 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>;
--
1.8.1.1.dirty
next reply other threads:[~2021-06-03 10:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 10:59 Ben Tseng [this message]
2021-06-03 17:46 ` [PATCH v2] arm64: dts: mt8183-kukui: Enable thermal Tboard Matthias Brugger
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