Implemented support for the TLC5971 as an output component (#6494)

esphome/components/tlc5971/tlc5971.h

@@ -0,0 +1,43 @@
+#pragma once
+// TLC5971 12-Channel, 16-Bit PWM LED Driver
+// https://www.ti.com/lit/ds/symlink/tlc5971.pdf
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/output/float_output.h"
+#include <vector>
+
+namespace esphome {
+namespace tlc5971 {
+
+class TLC5971 : public Component {
+ public:
+  const uint8_t N_CHANNELS_PER_CHIP = 12;
+
+  void set_data_pin(GPIOPin *data_pin) { data_pin_ = data_pin; }
+  void set_clock_pin(GPIOPin *clock_pin) { clock_pin_ = clock_pin; }
+  void set_num_chips(uint8_t num_chips) { num_chips_ = num_chips; }
+
+  void setup() override;
+
+  void dump_config() override;
+
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+
+  /// Send new values if they were updated.
+  void loop() override;
+
+  void set_channel_value(uint16_t channel, uint16_t value);
+
+ protected:
+  void transfer_(uint8_t send);
+
+  GPIOPin *data_pin_;
+  GPIOPin *clock_pin_;
+  uint8_t num_chips_;
+
+  std::vector<uint16_t> pwm_amounts_;
+  bool update_{true};
+};
+}  // namespace tlc5971
+}  // namespace esphome