[mipi_spi] Add LCDwiki ES3C35P model (ST77922 QSPI) (#19011)

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>

tests/component_tests/mipi_spi/test_get_sequence.py

@@ -8,8 +8,11 @@ from esphome.components.mipi import (
     BRIGHTNESS,
     CONF_INVERT_COLORS,
     CONF_PIXEL_MODE,
+    SLPOUT,
+    SWRESET,
     DriverChip,
 )
+from esphome.components.mipi_spi.display import MODELS
 from esphome.const import CONF_BRIGHTNESS
 
 # A minimal config with no reset pin: enough for get_sequence(add_madctl=False) to run
@@ -96,3 +99,23 @@ def test_get_sequence_omits_brightness_when_not_set() -> None:
     sequence = chip.get_sequence(_BASE_CONFIG, add_madctl=False)
 
     assert not any(_has_brightness_command(sequence, v) for v in range(256))
+
+
+def _count_subsequence(sequence: tuple[int, ...], part: tuple[int, ...]) -> int:
+    return sum(
+        sequence[i : i + len(part)] == part
+        for i in range(len(sequence) - len(part) + 1)
+    )
+
+
+def test_es3c35p_waits_after_reset_and_issues_its_own_slpout() -> None:
+    """The ES3C35P settles 120ms after reset and sends SLPOUT itself with a 120ms wait."""
+    sequence = MODELS["ES3C35P"].get_sequence(
+        _BASE_CONFIG, add_madctl=False, add_reset=True
+    )
+
+    assert sequence[:4] == (SWRESET, 0, 120, 255)
+    # Exactly one SLPOUT, followed by the panel's 120ms settle, and none appended by the framework
+    assert _count_subsequence(sequence, (SLPOUT, 0, 120, 255)) == 1
+    assert _count_subsequence(sequence, (SLPOUT, 0, 10, 255)) == 0
+    assert "ES3C35P-NS" in MODELS