GPIO: Fix Button detection

dts2repl/dts2repl.py

@@ -1103,11 +1103,16 @@ def generate(filename, override_system_clock_frequency=None, manual_overlays=Non
         if compatible and 'gpio-leds' in compatible:
             logging.debug(f'Skipping LED parent node {node.name}')
             continue
+        elif compatible and 'gpio-keys' in compatible:
+            logging.debug(f'Skipping Button parent node {node.name}')
+            continue
         else:
             parent_compat = get_node_prop(node.parent, 'compatible', []) if node.parent else []
             # if the paren't compat string is the one for LEDs, move it down to each individual LED
             if 'gpio-leds' in parent_compat:
                 compatible = parent_compat
+            if 'gpio-keys' in parent_compat:
+                compatible = parent_compat
 
         if compatible is None:
             logging.debug(f'Node {node.name} has no compat string. Trying device_type...')
@@ -1566,6 +1571,41 @@ def create_per_cpu_model(cpu_name, model_name, csharp_model_name, offset, argume
             i2c_addr = int(node.unit_addr, 16)
             regions = [RegistrationRegion(addresses=[i2c_addr], registration_point=i2c_name)]
 
+        # handle Button
+        if model == 'Miscellaneous.Button':
+            gpios = list(get_node_prop(node, 'gpios'))
+            if not gpios:
+                logging.info(f'LED {node.name} has no gpios property, skipping...')
+                continue
+            gpio, num, gpio_flags = gpios[0][:3]
+            gpio_compat = get_node_prop(gpio, 'compatible', [])
+            if 'nxp,s32-gpio' in gpio_compat:
+                # We have to translate gpio pin to pad
+                gpio_addr = int(gpio.unit_addr, 16)
+                gpio_base_addr = gpio_addr & ~0xFFFF
+                port_index = int((gpio_addr - gpio_base_addr - 0x1700) / 0x4)
+                num = port_index * 32 + num
+                gpio = gpio.parent
+
+            gpio_model = get_model(gpio)
+            if not gpio_model or not gpio_model.startswith("GPIO"):
+                # don't add invalid GPIO connections
+                continue
+
+            active_low = (gpio_flags & 1) == 1
+            if active_low:
+                indent.append('invert: true')
+            gpio_name = name_mapper.get_name(gpio)
+            regions = [RegistrationRegion(num, registration_point=gpio_name)]
+
+            indent.append(f'-> {name}@{num}')
+
+            # gpio_connection = ReplBlock(gpio_name, None, {gpio_name, name}, set(),
+            #                             [f'{gpio_name}:', f'    {num} -> {name}@0'])
+            # repl_file.add_block(gpio_connection)
+
+
+        # handle LED
         if model == 'Miscellaneous.LED':
             gpios = list(get_node_prop(node, 'gpios'))
             if not gpios:

dts2repl/models.json

@@ -188,6 +188,7 @@
                        "_": "UART.GD32_UART" },
 
     "gpio-leds": "Miscellaneous.LED",
+    "gpio-keys": "Miscellaneous.Button",
 
     "virtio,console": "Miscellaneous.VirtIOMMIOConsole",
     "virtio,entropy": "Miscellaneous.VirtIOMMIOEntropy",