tentacruel : Config the thermal sensor setting

Add thermistor 3V3_30K9_47K_NCP15WB for ambient temperature.

BUG=b:242815295
TEST=zmake build tentacruel --clobber
Use ectool temps all to check can read thermistor temperature.
BRANCH=None

Signed-off-by: jeffrey <jeffrey_lin@pegatron.corp-partner.google.com>
Change-Id: Ie4d2299ce37f59607099aac5cdd29e43306a6c71
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3834908
Reviewed-by: Ting Shen <phoenixshen@chromium.org>

5 files changed, 147 insertions, 2 deletions

diff --git a/zephyr/include/cros/thermistor/thermistor.dtsi b/zephyr/include/cros/thermistor/thermistor.dtsi
index a482aab2fc..fb86c4f79a 100644
--- a/zephyr/include/cros/thermistor/thermistor.dtsi
+++ b/zephyr/include/cros/thermistor/thermistor.dtsi
@@ -304,4 +304,86 @@
 			sample-index = <12>;
 		};
 	};
+
+	/omit-if-no-ref/ thermistor_3V3_30K9_47K_NCP15WB:
+				thermistor-3V3-30K9-47K-NCP15WB {
+		status = "disabled";
+		compatible = "cros-ec,thermistor";
+		scaling-factor = <11>;
+		num-pairs = <13>;
+		steinhart-reference-mv = <3300>;
+		steinhart-reference-res = <30900>;
+
+		/*
+		 * Data derived from Steinhart-Hart equation in a resistor
+		 * divider circuit with Vdd=3300mV, R = 30.9Kohm,
+		 * and Murata NCP15WB-series thermistor
+		 * (B = 4050, T0 = 298.15 K, nominal resistance (R0) = 47Kohm).
+		 */
+		sample-datum-0 {
+			milivolt = <(2761 / 11)>;
+			temp = <0>;
+			sample-index = <0>;
+		};
+		sample-datum-1 {
+			milivolt = <(2492 / 11)>;
+			temp = <10>;
+			sample-index = <1>;
+		};
+		sample-datum-2 {
+			milivolt = <(2167 / 11)>;
+			temp = <20>;
+			sample-index = <2>;
+		};
+		sample-datum-3 {
+			milivolt = <(1812 / 11)>;
+			temp = <30>;
+			sample-index = <3>;
+		};
+		sample-datum-4 {
+			milivolt = <(1462 / 11)>;
+			temp = <40>;
+			sample-index = <4>;
+		};
+		sample-datum-5 {
+			milivolt = <(1146 / 11)>;
+			temp = <50>;
+			sample-index = <5>;
+		};
+		sample-datum-6 {
+			milivolt = <(878 / 11)>;
+			temp = <60>;
+			sample-index = <6>;
+		};
+		sample-datum-7 {
+			milivolt = <(665 / 11)>;
+			temp = <70>;
+			sample-index = <7>;
+		};
+		sample-datum-8 {
+			milivolt = <(500 / 11)>;
+			temp = <80>;
+			sample-index = <8>;
+		};
+		sample-datum-9 {
+			milivolt = <(434 / 11)>;
+			temp = <85>;
+			sample-index = <9>;
+		};
+		sample-datum-10 {
+			milivolt = <( 376 / 11)>;
+			temp = <90>;
+			sample-index = <10>;
+		};
+		sample-datum-11 {
+			milivolt = <( 326 / 11)>;
+			temp = <95>;
+			sample-index = <11>;
+		};
+		sample-datum-12 {
+			milivolt = <( 283 / 11)>;
+			temp = <100>;
+			sample-index = <12>;
+		};
+	};
 };
diff --git a/zephyr/projects/corsola/BUILD.py b/zephyr/projects/corsola/BUILD.py
index d31f8cee4f..69b7a8a826 100644
--- a/zephyr/projects/corsola/BUILD.py
+++ b/zephyr/projects/corsola/BUILD.py
@@ -103,7 +103,7 @@ register_corsola_project(
 register_corsola_project(
     "tentacruel",
     extra_dts_overlays=[
-        here / "adc_krabby.dts",
+        here / "adc_tentacruel.dts",
         here / "battery_tentacruel.dts",
         here / "cbi_tentacruel.dts",
         here / "gpio_tentacruel.dts",
diff --git a/zephyr/projects/corsola/adc_tentacruel.dts b/zephyr/projects/corsola/adc_tentacruel.dts
new file mode 100644
index 0000000000..d09ccc3a30
--- /dev/null
+++ b/zephyr/projects/corsola/adc_tentacruel.dts
@@ -0,0 +1,60 @@
+/* Copyright 2022 The ChromiumOS Authors.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <cros/thermistor/thermistor.dtsi>
+
+/ {
+	named-adc-channels {
+		compatible = "named-adc-channels";
+		adc_vbus_c0 {
+			enum-name = "ADC_VBUS_C0";
+			io-channels = <&adc0 0>;
+			mul = <10>;
+		};
+		adc_board_id0 {
+			enum-name = "ADC_BOARD_ID_0";
+			io-channels = <&adc0 1>;
+		};
+		adc_board_id1 {
+			enum-name = "ADC_BOARD_ID_1";
+			io-channels = <&adc0 2>;
+		};
+		adc_vbus_c1 {
+			enum-name = "ADC_VBUS_C1";
+			io-channels = <&adc0 7>;
+			mul = <10>;
+		};
+		adc_ambient: ambient {
+			enum-name = "ADC_TEMP_SENSOR_2_AMBIENT";
+			io-channels = <&adc0 5>;
+		};
+	};
+};
+
+&adc0 {
+	status = "okay";
+	pinctrl-0 = <&adc0_ch0_gpi0_default
+		     &adc0_ch1_gpi1_default
+		     &adc0_ch2_gpi2_default
+		     &adc0_ch5_gpi5_default
+		     &adc0_ch7_gpi7_default>;
+	pinctrl-names = "default";
+};
+
+/ {
+	named-temp-sensors {
+		ambient {
+			compatible = "cros-ec,temp-sensor-thermistor",
+				     "cros-ec,temp-sensor";
+			thermistor = <&thermistor_3V3_30K9_47K_NCP15WB>;
+			enum-name = "TEMP_SENSOR_AMB";
+			adc = <&adc_ambient>;
+		};
+	};
+};
+
+&thermistor_3V3_30K9_47K_NCP15WB {
+	status = "okay";
+};
diff --git a/zephyr/projects/corsola/gpio_tentacruel.dts b/zephyr/projects/corsola/gpio_tentacruel.dts
index 459ca33dd6..fa30265c6e 100644
--- a/zephyr/projects/corsola/gpio_tentacruel.dts
+++ b/zephyr/projects/corsola/gpio_tentacruel.dts
@@ -191,7 +191,6 @@
 			<&gpioh 0 GPIO_INPUT_PULL_DOWN>,
 			<&gpioh 6 GPIO_INPUT_PULL_DOWN>,
 			<&gpioi 3 GPIO_INPUT_PULL_DOWN>,
-			<&gpioi 5 GPIO_INPUT_PULL_DOWN>,
 			<&gpioi 6 GPIO_INPUT_PULL_DOWN>,
 			<&gpiom 6 (GPIO_INPUT_PULL_DOWN | GPIO_VOLTAGE_1P8)>,
 			/* spi_clk_gpg6 */
diff --git a/zephyr/projects/corsola/prj_tentacruel.conf b/zephyr/projects/corsola/prj_tentacruel.conf
index e75c642757..dad5f5dec1 100644
--- a/zephyr/projects/corsola/prj_tentacruel.conf
+++ b/zephyr/projects/corsola/prj_tentacruel.conf
@@ -16,3 +16,7 @@ CONFIG_PLATFORM_EC_KEYBOARD_PWRBTN_ASSERTS_KSI3=y
 # Sensor
 CONFIG_PLATFORM_EC_ACCELGYRO_BMI3XX=y
 CONFIG_PLATFORM_EC_ACCELGYRO_BMI_COMM_I2C=y
+
+# Temperature sensors
+CONFIG_PLATFORM_EC_TEMP_SENSOR=y
+CONFIG_PLATFORM_EC_THERMISTOR=y