drivers/sensor: lis2dw12: move int-pin in DTS binding

Take the int-pin information (i.e. what pin between INT1
and INT2 the drdy is attached to) directly from DT.

Signed-off-by: Armando Visconti <armando.visconti@st.com>

drivers/sensor/lis2dw12/Kconfig

@@ -52,20 +52,6 @@ config LIS2DW12_THREAD_STACK_SIZE
 	help
 	  Stack size of thread used by the driver to handle interrupts.
 
-choice
-	prompt "Sensor INT pin number"
-	default LIS2DW12_INT_PIN_1
-	help
-	  The number of LIS2DW12 int pin used to generate interrupt to cpu.
-	  Supported values are int1 or int2
-
-config LIS2DW12_INT_PIN_1
-	bool "int1"
-
-config LIS2DW12_INT_PIN_2
-	bool "int2"
-endchoice
-
 menuconfig LIS2DW12_PULSE
 	bool "Pulse detection"
 	help

drivers/sensor/lis2dw12/lis2dw12.c

@@ -381,11 +381,7 @@ const struct lis2dw12_device_config lis2dw12_cfg = {
 	.int_gpio_port = DT_INST_GPIO_LABEL(0, irq_gpios),
 	.int_gpio_pin = DT_INST_GPIO_PIN(0, irq_gpios),
 	.int_gpio_flags = DT_INST_GPIO_FLAGS(0, irq_gpios),
-#if defined(CONFIG_LIS2DW12_INT_PIN_1)
-	.int_pin = 1,
-#elif defined(CONFIG_LIS2DW12_INT_PIN_2)
-	.int_pin = 2,
-#endif /* CONFIG_LIS2DW12_INT_PIN */
+	.int_pin = DT_INST_PROP(0, int_pin),
 
 #ifdef CONFIG_LIS2DW12_PULSE
 #if defined(CONFIG_LIS2DW12_ONLY_SINGLE)

drivers/sensor/lis2dw12/lis2dw12_trigger.c

@@ -244,6 +244,7 @@ int lis2dw12_init_interrupt(const struct device *dev)
 
 	lis2dw12->dev = dev;
 
+	LOG_INF("%s: int-pin is on INT%d", dev->name, cfg->int_pin);
 #if defined(CONFIG_LIS2DW12_TRIGGER_OWN_THREAD)
 	k_sem_init(&lis2dw12->gpio_sem, 0, K_SEM_MAX_LIMIT);
 

dts/bindings/sensor/st,lis2dw12-common.yaml

@@ -11,3 +11,21 @@ properties:
         This pin defaults to active high when produced by the sensor.
         The property value should ensure the flags properly describe
         the signal that is presented to the driver.
+
+    int-pin:
+      type: int
+      required: false
+      default: 1
+      enum:
+        - 1
+        - 2
+      description: |
+        Select DRDY pin number (1 or 2).
+
+           1 # drdy is generated from INT1
+           2 # drdy is generated from INT2
+
+        This number represents which of the two interrupt pins
+        (INT1 or INT2) the drdy line is attached to. This property is not
+        mandatory and if not present it defaults to 1 which is the
+        configuration at power-up.

scripts/ci/check_compliance.py

@@ -539,7 +539,6 @@ UNDEF_KCONFIG_WHITELIST = {
     "FOO_LOG_LEVEL",
     "FOO_SETTING_1",
     "FOO_SETTING_2",
-    "LIS2DW12_INT_PIN",
     "LSM6DSO_INT_PIN",
     "MISSING",
     "MODULES",