shields: waveshare_epaper: add 2.13in epaper

Adds support for WaveShare's 2.13in epaper display with the ssd1680 display driver. Good Display part number gdey0213b74 (cherry picked from commit 3b4c458) Original-Signed-off-by: Helmut Lord <kellyhlord@gmail.com> GitOrigin-RevId: 3b4c458 Change-Id: I791e6198f43519d6be693a7ace559d040de8b1c0 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5608648 Commit-Queue: Fabio Baltieri <fabiobaltieri@google.com> Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com> Reviewed-by: Fabio Baltieri <fabiobaltieri@google.com>
coreboot · Jun 7, 2024 · 5c42fae · 5c42fae
1 parent 86d0a3b
commit 5c42fae
Show file tree

Hide file tree

Showing 4 changed files with 43 additions and 2 deletions.
diff --git a/boards/shields/waveshare_epaper/Kconfig.defconfig b/boards/shields/waveshare_epaper/Kconfig.defconfig
@@ -5,8 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-if SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2 || SHIELD_WAVESHARE_EPAPER_GDEW042T2_P
-
+if SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2 || SHIELD_WAVESHARE_EPAPER_GDEW042T2_P || SHIELD_WAVESHARE_EPAPER_GDEY0213B74
 
 if DISPLAY
 

diff --git a/boards/shields/waveshare_epaper/Kconfig.shield b/boards/shields/waveshare_epaper/Kconfig.shield
@@ -21,3 +21,6 @@ config SHIELD_WAVESHARE_EPAPER_GDEW042T2
 
 config SHIELD_WAVESHARE_EPAPER_GDEW042T2_P
 	def_bool $(shields_list_contains,waveshare_epaper_gdew042t2-p)
+
+config SHIELD_WAVESHARE_EPAPER_GDEY0213B74
+	def_bool $(shields_list_contains,waveshare_epaper_gdey0213b74)
diff --git a/boards/shields/waveshare_epaper/doc/index.rst b/boards/shields/waveshare_epaper/doc/index.rst
@@ -65,6 +65,9 @@ Current supported displays
 | Good Display | WFT0420CZ15     | UC8176 /     | waveshare_epaper_gdew042t2   |
 | GDEW042T2    |                 | gd7965       | waveshare_epaper_gdew042t2-p |
 +--------------+-----------------+--------------+------------------------------+
+| Good Display | FPC-A002        | SSD1680 /    | waveshare_epaper_gdey0213b74 |
+| GDEY0213B74  |                 | ssd16xx      |                              |
++--------------+-----------------+--------------+------------------------------+
 
 
 Requirements

diff --git a/boards/shields/waveshare_epaper/waveshare_epaper_gdey0213b74.overlay b/boards/shields/waveshare_epaper/waveshare_epaper_gdey0213b74.overlay
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, Kelly Helmut Lord
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "waveshare_epaper_common.dtsi"
+
+/ {
+	chosen {
+		zephyr,display = &ssd16xx_waveshare_epaper_gdey0213b74;
+	};
+};
+
+&arduino_spi {
+	ssd16xx_waveshare_epaper_gdey0213b74: ssd16xxfb@0 {
+		compatible = "gooddisplay,gdey0213b74", "solomon,ssd1680";
+		spi-max-frequency = <4000000>;
+		reg = <0>;
+		width = <250>;
+		height = <122>;
+		dc-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>;	/* D9 */
+		reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>;	/* D8 */
+		busy-gpios = <&arduino_header 13 GPIO_ACTIVE_HIGH>;	/* D7 */
+
+		tssv = <0x80>;
+
+		full {
+			border-waveform = <0x05>;
+		};
+
+		partial {
+			border-waveform = <0x3c>;
+		};
+	};
+};