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/wk2168_spi/__init__.py

@@ -0,0 +1,62 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import spi, weikai
+from esphome.const import (
+    CONF_ID,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+)
+
+CODEOWNERS = ["@DrCoolZic"]
+DEPENDENCIES = ["spi"]
+AUTO_LOAD = ["weikai", "weikai_spi"]
+MULTI_CONF = True
+CONF_WK2168_SPI = "wk2168_spi"
+
+weikai_spi_ns = cg.esphome_ns.namespace("weikai_spi")
+weikai_ns = cg.esphome_ns.namespace("weikai")
+WeikaiComponentSPI = weikai_spi_ns.class_(
+    "WeikaiComponentSPI", weikai.WeikaiComponent, spi.SPIDevice
+)
+WeikaiGPIOPin = weikai_ns.class_(
+    "WeikaiGPIOPin", cg.GPIOPin, cg.Parented.template(WeikaiComponentSPI)
+)
+
+CONFIG_SCHEMA = cv.All(
+    weikai.WKBASE_SCHEMA.extend(
+        {cv.GenerateID(): cv.declare_id(WeikaiComponentSPI)}
+    ).extend(spi.spi_device_schema()),
+    weikai.check_channel_max_4,
+)
+
+
+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 spi.register_spi_device(var, config)
+
+
+WK2168_PIN_SCHEMA = cv.All(
+    weikai.WEIKAI_PIN_SCHEMA.extend(
+        {
+            cv.GenerateID(): cv.declare_id(WeikaiGPIOPin),
+            cv.Required(CONF_WK2168_SPI): cv.use_id(WeikaiComponentSPI),
+        },
+    ),
+    weikai.validate_pin_mode,
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_WK2168_SPI, WK2168_PIN_SCHEMA)
+async def sc16is75x_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_WK2168_SPI])
+    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