feat: add support for TDK NTCG103JF103FT1 thermistor

Adds compensation table and bindings for NTCG103JF103FT1 thermistor Signed-off-by: Maxmillion McLaughlin <github@maxmclau.com>
zephyrproject-rtos · Dec 8, 2023 · 8ab1c75 · 8ab1c75
1 parent f69641f
commit 8ab1c75
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Showing 5 changed files with 46 additions and 1 deletion.
diff --git a/drivers/sensor/ntc_thermistor/Kconfig b/drivers/sensor/ntc_thermistor/Kconfig
@@ -7,7 +7,8 @@ config NTC_THERMISTOR
 	default y
 	depends on DT_HAS_NTC_THERMISTOR_GENERIC_ENABLED || \
 		   DT_HAS_EPCOS_B57861S0103A039_ENABLED  || \
-		   DT_HAS_MURATA_NCP15WB473_ENABLED
+		   DT_HAS_MURATA_NCP15WB473_ENABLED || \
+		   DT_HAS_TDK_NTCG163JF103FT1_ENABLED
 	select ADC
 	help
 	  Enable driver for Zephyr NTC Thermistor.
diff --git a/drivers/sensor/ntc_thermistor/ntc_thermistor.c b/drivers/sensor/ntc_thermistor/ntc_thermistor.c
@@ -217,3 +217,29 @@ static __unused const struct ntc_compensation comp_murata_ncp15wb473[] = {
 
 DT_INST_FOREACH_STATUS_OKAY_VARGS(NTC_THERMISTOR_DEFINE, DT_DRV_COMPAT,
 				  comp_murata_ncp15wb473)
+
+/* tdk,ntcg163jf103ft1 */
+#undef DT_DRV_COMPAT
+#define DT_DRV_COMPAT tdk_ntcg163jf103ft1
+
+static __unused const struct ntc_compensation comp_tdk_ntcg163jf103ft1[] = {
+	{ -25, 86560 },
+	{ -15, 53460 },
+	{ -5, 33930 },
+	{ 5, 22070 },
+	{ 15, 14700 },
+	{ 25, 10000 },
+	{ 35, 6942 },
+	{ 45, 4911 },
+	{ 55, 3536 },
+	{ 65, 2588 },
+	{ 75, 1924 },
+	{ 85, 1451 },
+	{ 95, 1110 },
+	{ 105, 860 },
+	{ 115, 674 },
+	{ 125, 534 },
+};
+
+DT_INST_FOREACH_STATUS_OKAY_VARGS(NTC_THERMISTOR_DEFINE, DT_DRV_COMPAT,
+				  comp_tdk_ntcg163jf103ft1)
diff --git a/dts/bindings/sensor/tdk,ntcg163jf103ft1.yaml b/dts/bindings/sensor/tdk,ntcg163jf103ft1.yaml
@@ -0,0 +1,8 @@
+# Copyright (c) 2023 Urban Sky LLC.
+# SPDX-License-Identifier: Apache-2.0
+
+description: TDK NTCG163JF103FT1 thermistor
+
+compatible: "tdk,ntcg163jf103ft1"
+
+include: ntc-thermistor.yaml
diff --git a/dts/bindings/vendor-prefixes.txt b/dts/bindings/vendor-prefixes.txt
@@ -606,6 +606,7 @@ tbs-biometrics	Touchless Biometric Systems AG
 tcg	Trusted Computing Group
 tcl	Toby Churchill Ltd.
 tcs	Shenzhen City Tang Cheng Technology Co., Ltd.
+tdk	TDK Corporation.
 tdo	Shangai Top Display Optoelectronics Co., Ltd
 technexion	TechNexion
 technologic	Technologic Systems

diff --git a/tests/drivers/build_all/sensor/adc.dtsi b/tests/drivers/build_all/sensor/adc.dtsi
@@ -70,3 +70,12 @@ test_murata_ncp15wb473: murata-ncp15wb473 {
 	pulldown-ohm = <10000>;
 	connected-positive;
 };
+
+test_tdk_ntcg163jf103ft1: tdk-ntcg163jf103ft1 {
+	compatible = "tdk,ntcg163jf103ft1";
+	io-channels = <&adc0 0>;
+	pullup-uv = <3300000>;
+	pullup-ohm = <0>;
+	pulldown-ohm = <10000>;
+	connected-positive;
+};