cores: arduino: zephyrCommon: Generate ADC config from connector definition

Like digital pins, ADCs are also defined from connectors.

Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>

Author: soburi

cores/arduino/zephyrCommon.cpp

@@ -321,17 +321,55 @@ size_t pwm_pin_index(pin_size_t pinNumber) {
 #define ADC_PINS(n, p, i)                                                                          \
 	DIGITAL_PIN_GPIOS_FIND_PIN(DT_REG_ADDR(DT_PHANDLE_BY_IDX(DT_PATH(zephyr_user), p, i)),         \
 							   DT_PHA_BY_IDX(DT_PATH(zephyr_user), p, i, pin)),
+#define ADC_PINS_GLOBAL(n, p, i)                                                                   \
+	ZARD_GLOBAL_GPIO_OFFSET(DT_PHANDLE_BY_IDX(n, p, i)) + DT_PHA_BY_IDX(n, p, i, pin),
 #define ADC_CH_CFG(n, p, i) arduino_adc[i].channel_cfg,
+#define ADC_CONN_CHANNEL_CFG(n, p, i)                                                              \
+	COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MAP_ENTRY_PARENT_BY_IDX(n, p, i)),                  \
+	            (ADC_CHANNEL_CFG_DT(ADC_CHANNEL_DT_NODE(DT_MAP_ENTRY_PARENT_BY_IDX(n, p, i),   \
+					DT_MAP_ENTRY_PARENT_SPECIFIER_BY_IDX(n, p, i, 0))),),      \
+		    ())
+#define ADC_CONN_CHANNEL_DT(n, p, i)                                                               \
+	COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MAP_ENTRY_PARENT_BY_IDX(n, p, i)),                  \
+	            (ADC_DT_SPEC_STRUCT(DT_MAP_ENTRY_PARENT_BY_IDX(n, p, i),                       \
+					DT_MAP_ENTRY_PARENT_SPECIFIER_BY_IDX(n, p, i, 0)),),       \
+		    ())
+#define ADC_CONN_PINNUM(n, p, i)                                                                   \
+	COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MAP_ENTRY_PARENT_BY_IDX(n, p, i)),                  \
+	            (ZARD_CONNECTOR_PIN_NAME_A(DT_NODELABEL(ZARD_CONNECTOR),                       \
+			                       DT_MAP_ENTRY_CHILD_SPECIFIER_BY_IDX(n, p, i, 0)),), \
+		    ())
 
 static const struct adc_dt_spec arduino_adc[] = {
-	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), io_channels, ADC_DT_SPEC)};
+#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
+};
 
-/* io-channel-pins node provides a mapping digital pin numbers to adc channels */
+/* adc-pin-gpios provides a mapping digital pin numbers to adc channels */
 const pin_size_t arduino_analog_pins[] = {
-	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), adc_pin_gpios, ADC_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)
+	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), adc_pin_gpios, ADC_PINS)
+#else
+	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), adc_pin_gpios, ADC_PINS_GLOBAL)
+#endif
+#elif defined(ZARD_ADC_CONNECTOR)
+	DT_FOREACH_MAP_ENTRY(DT_NODELABEL(ZARD_ADC_CONNECTOR), io_channel_map, ADC_CONN_PINNUM)
+#endif
+};
 
 struct adc_channel_cfg channel_cfg[] = {
-	DT_FOREACH_PROP_ELEM(DT_PATH(zephyr_user), io_channels, ADC_CH_CFG)};
+#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
+};
+
+BUILD_ASSERT(ARRAY_SIZE(arduino_adc) == ARRAY_SIZE(arduino_analog_pins));
 
 size_t analog_pin_index(pin_size_t pinNumber) {
 	for (size_t i = 0; i < ARRAY_SIZE(arduino_analog_pins); i++) {