Add the WeiKai SPI/I2C UART/IO Expander components to esphome (#5218)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/wk2212_i2c/__init__.py

@@ -0,0 +1,64 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import i2c, weikai
+from esphome.const import (
+    CONF_ID,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+)
+
+CODEOWNERS = ["@DrCoolZic"]
+DEPENDENCIES = ["i2c"]
+AUTO_LOAD = ["weikai", "weikai_i2c"]
+MULTI_CONF = True
+CONF_WK2212_I2C = "wk2212_i2c"
+
+weikai_ns = cg.esphome_ns.namespace("weikai")
+weikai_i2c_ns = cg.esphome_ns.namespace("weikai_i2c")
+WeikaiComponentI2C = weikai_i2c_ns.class_(
+    "WeikaiComponentI2C", weikai.WeikaiComponent, i2c.I2CDevice
+)
+WeikaiGPIOPin = weikai_ns.class_(
+    "WeikaiGPIOPin", cg.GPIOPin, cg.Parented.template(WeikaiComponentI2C)
+)
+
+CONFIG_SCHEMA = cv.All(
+    weikai.WKBASE_SCHEMA.extend(
+        {
+            cv.GenerateID(): cv.declare_id(WeikaiComponentI2C),
+        }
+    ).extend(i2c.i2c_device_schema(0x2C)),
+    weikai.check_channel_max_2,
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_name(str(config[CONF_ID])))
+    await weikai.register_weikai(var, config)
+    await i2c.register_i2c_device(var, config)
+
+
+WK2212_PIN_SCHEMA = cv.All(
+    weikai.WEIKAI_PIN_SCHEMA.extend(
+        {
+            cv.GenerateID(): cv.declare_id(WeikaiGPIOPin),
+            cv.Required(CONF_WK2212_I2C): cv.use_id(WeikaiComponentI2C),
+        }
+    ),
+    weikai.validate_pin_mode,
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_WK2212_I2C, WK2212_PIN_SCHEMA)
+async def sc16is75x_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_WK2212_I2C])
+    cg.add(var.set_parent(parent))
+    num = config[CONF_NUMBER]
+    cg.add(var.set_pin(num))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
+    cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
+    return var