Add connector fallback for provisioning when pin associations exist

Co-authored-by: soburi <458281+soburi@users.noreply.github.com>

Author: Copilot

cores/arduino/zephyrCommon.cpp

@@ -242,11 +242,19 @@ void handleGpioCallback(const struct device *port, struct gpio_callback *cb, uin
 		    ())
 
 const struct pwm_dt_spec arduino_pwm[] = {
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), pwm_pin_gpios)
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), digital_pin_gpios)
 #if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), pwms)
 	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), pwms, PWM_DT_SPEC)
 #elif defined(ZARD_PWM_CONNECTOR)
 	DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_PWM_CONNECTOR), pwm_map, PWM_CONN_CHANNEL_DT)
 #endif
+#else // global pin rule
+	//TODO
+#endif
+#elif defined(ZARD_PWM_CONNECTOR)
+	DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_PWM_CONNECTOR), pwm_map, PWM_CONN_CHANNEL_DT)
+#endif
 };
 
 /* pwm-pins node provides a mapping digital pin numbers to pwm channels */
@@ -295,11 +303,19 @@ size_t pwm_pin_index(pin_size_t pinNumber) {
 		    ())
 
 const struct adc_dt_spec arduino_adc[] = {
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), adc_pin_gpios)
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), digital_pin_gpios)
 #if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), io_channels)
   DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), io_channels, ADC_DT_SPEC)
 #elif defined(ZARD_ADC_CONNECTOR)
   DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_ADC_CONNECTOR), io_channel_map, ADC_CONN_CHANNEL_DT)
 #endif
+#else //global pin rule
+      //TODO
+#endif
+#elif defined(ZARD_ADC_CONNECTOR)
+  DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_ADC_CONNECTOR), io_channel_map, ADC_CONN_CHANNEL_DT)
+#endif
 };
 
 /* io-channel-pins node provides a mapping digital pin numbers to adc channels */
@@ -312,11 +328,19 @@ const pin_size_t arduino_analog_pins[] = {
 };
 
 struct adc_channel_cfg channel_cfg[ARRAY_SIZE(arduino_analog_pins)] = {
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), adc_pin_gpios)
+#if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), digital_pin_gpios)
 #if DT_NODE_HAS_PROP(DT_PATH(zephyr_user), io_channels)
   DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), io_channels, ADC_CH_CFG)
 #elif defined(ZARD_ADC_CONNECTOR)
   DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_ADC_CONNECTOR), io_channel_map, ADC_CONN_CHANNEL_CFG)
 #endif
+#else // global pin rule
+      // TODO
+#endif
+#elif defined(ZARD_ADC_CONNECTOR)
+  DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_ADC_CONNECTOR), io_channel_map, ADC_CONN_CHANNEL_CFG)
+#endif
 };
 
 BUILD_ASSERT(ARRAY_SIZE(arduino_adc) == ARRAY_SIZE(arduino_analog_pins));