From aecb29d2b02eed7846204fad9b40b584f79d0095 Mon Sep 17 00:00:00 2001
From: Alexander Bazarov <63168142+bazarovdev@users.noreply.github.com>
Date: Mon, 2 Dec 2024 13:23:46 -0500
Subject: display: Add support for `AIP31068` based displays (#6639)

display: Add support for `AIP31068` based displays
---
 docs/Config_Reference.md | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

(limited to 'docs/Config_Reference.md')

diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index d73a3a64..6a5a7582 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -4139,15 +4139,16 @@ Support for a display attached to the micro-controller.
 [display]
 lcd_type:
 #   The type of LCD chip in use. This may be "hd44780", "hd44780_spi",
-#   "st7920", "emulated_st7920", "uc1701", "ssd1306", or "sh1106".
+#   "aip31068_spi", "st7920", "emulated_st7920", "uc1701", "ssd1306", or
+#   "sh1106".
 #   See the display sections below for information on each type and
 #   additional parameters they provide. This parameter must be
 #   provided.
 #display_group:
 #   The name of the display_data group to show on the display. This
 #   controls the content of the screen (see the "display_data" section
-#   for more information). The default is _default_20x4 for hd44780
-#   displays and _default_16x4 for other displays.
+#   for more information). The default is _default_20x4 for hd44780 or
+#   aip31068_spi displays and _default_16x4 for other displays.
 #menu_timeout:
 #   Timeout for menu. Being inactive this amount of seconds will
 #   trigger menu exit or return to root menu when having autorun
@@ -4273,6 +4274,31 @@ spi_software_miso_pin:
 ...
 ```
 
+#### aip31068_spi display
+
+Information on configuring an aip31068_spi display - a very similar to hd44780_spi
+a 20x04 (20 symbols by 4 lines) display with slightly different internal
+protocol.
+
+```
+[display]
+lcd_type: aip31068_spi
+latch_pin:
+spi_software_sclk_pin:
+spi_software_mosi_pin:
+spi_software_miso_pin:
+#   The pins connected to the shift register controlling the display.
+#   The spi_software_miso_pin needs to be set to an unused pin of the
+#   printer mainboard as the shift register does not have a MISO pin,
+#   but the software spi implementation requires this pin to be
+#   configured.
+#line_length:
+#   Set the number of characters per line for an hd44780 type lcd.
+#   Possible values are 20 (default) and 16. The number of lines is
+#   fixed to 4.
+...
+```
+
 #### st7920 display
 
 Information on configuring st7920 displays (which is used in
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