Support for LibreTiny platform (RTL8710, BK7231 & other modules) (#3509)

Co-authored-by: Kuba Szczodrzyński <kuba@szczodrzynski.pl>
Co-authored-by: Sam Neirinck <git@samneirinck.com>
Co-authored-by: David Buezas <dbuezas@users.noreply.github.com>
Co-authored-by: Stroe Andrei Catalin <catalin2402@gmail.com>
Co-authored-by: Sam Neirinck <github@samneirinck.be>
Co-authored-by: Péter Sárközi <xmisterhu@gmail.com>
Co-authored-by: Hajo Noerenberg <hn@users.noreply.github.com>

esphome/components/libretiny_pwm/output.py

@@ -0,0 +1,49 @@
+from esphome import pins, automation
+from esphome.components import output
+import esphome.config_validation as cv
+import esphome.codegen as cg
+from esphome.const import (
+    CONF_FREQUENCY,
+    CONF_ID,
+    CONF_PIN,
+)
+
+DEPENDENCIES = ["libretiny"]
+
+libretinypwm_ns = cg.esphome_ns.namespace("libretiny_pwm")
+LibreTinyPWM = libretinypwm_ns.class_("LibreTinyPWM", output.FloatOutput, cg.Component)
+SetFrequencyAction = libretinypwm_ns.class_("SetFrequencyAction", automation.Action)
+
+CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend(
+    {
+        cv.Required(CONF_ID): cv.declare_id(LibreTinyPWM),
+        cv.Required(CONF_PIN): pins.internal_gpio_output_pin_schema,
+        cv.Optional(CONF_FREQUENCY, default="1kHz"): cv.frequency,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    gpio = await cg.gpio_pin_expression(config[CONF_PIN])
+    var = cg.new_Pvariable(config[CONF_ID], gpio)
+    await cg.register_component(var, config)
+    await output.register_output(var, config)
+    cg.add(var.set_frequency(config[CONF_FREQUENCY]))
+
+
+@automation.register_action(
+    "output.libretiny_pwm.set_frequency",
+    SetFrequencyAction,
+    cv.Schema(
+        {
+            cv.Required(CONF_ID): cv.use_id(LibreTinyPWM),
+            cv.Required(CONF_FREQUENCY): cv.templatable(cv.int_),
+        }
+    ),
+)
+async def libretiny_pwm_set_frequency_to_code(config, action_id, template_arg, args):
+    paren = await cg.get_variable(config[CONF_ID])
+    var = cg.new_Pvariable(action_id, template_arg, paren)
+    template_ = await cg.templatable(config[CONF_FREQUENCY], args, float)
+    cg.add(var.set_frequency(template_))
+    return var