[PATCH v2] arm64: dts: mt8183-kukui: Enable thermal Tboard

[Ben Tseng]

From: Michael Kao <michael.kao@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
Signed-off-by: Ben Tseng <ben.tseng@xxxxxxxxxxxx>
Tested-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
---
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