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DineshDK03DineshDK03
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drivers: display: Added driver for 2.7inch EPD
Signed-off-by: Dinesh Kumar K <[email protected]>
1 parent db97560 commit 5742474

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10 files changed

+665
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‎boards/shields/waveshare_epaper/Kconfig.defconfig

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@@ -5,7 +5,7 @@
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# SPDX-License-Identifier: Apache-2.0
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#
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8-
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
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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_GDEW027W3
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if DISPLAY
@@ -23,11 +23,15 @@ config GD7965
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default y if SHIELD_WAVESHARE_EPAPER_GDEW075T7
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default y if SHIELD_WAVESHARE_EPAPER_GDEW042T2
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config EK79652
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default y if SHIELD_WAVESHARE_EPAPER_GDEW027W3
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if LVGL
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config LVGL_DISPLAY_DEV_NAME
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default "GD7965" if SHIELD_WAVESHARE_EPAPER_GDEW075T7
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default "GD7965" if SHIELD_WAVESHARE_EPAPER_GDEW042T2
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default "EK79652" if SHIELD_WAVESHARE_EPAPER_GDEW027W3
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default "SSD16XX"
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config LVGL_HOR_RES_MAX
@@ -37,6 +41,7 @@ config LVGL_HOR_RES_MAX
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default 800 if SHIELD_WAVESHARE_EPAPER_GDEW075T7
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default 200 if SHIELD_WAVESHARE_EPAPER_GDEH0154A07
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default 400 if SHIELD_WAVESHARE_EPAPER_GDEW042T2
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default 264 if SHIELD_WAVESHARE_EPAPER_GDEW027W3
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config LVGL_VER_RES_MAX
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default 128 if SHIELD_WAVESHARE_EPAPER_GDEH029A1
@@ -45,6 +50,7 @@ config LVGL_VER_RES_MAX
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default 480 if SHIELD_WAVESHARE_EPAPER_GDEW075T7
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default 200 if SHIELD_WAVESHARE_EPAPER_GDEH0154A07
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default 300 if SHIELD_WAVESHARE_EPAPER_GDEW042T2
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default 176 if SHIELD_WAVESHARE_EPAPER_GDEW027W3
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config LVGL_VDB_SIZE
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default 16 if SHIELD_WAVESHARE_EPAPER_GDEW075T7
@@ -53,6 +59,7 @@ config LVGL_VDB_SIZE
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config LVGL_DPI
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default 188 if SHIELD_WAVESHARE_EPAPER_GDEH0154A07
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default 120 if SHIELD_WAVESHARE_EPAPER_GDEW042T2
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default 117 if SHIELD_WAVESHARE_EPAPER_GDEW027W3
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default 130
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choice LVGL_COLOR_DEPTH

‎boards/shields/waveshare_epaper/Kconfig.shield

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@@ -18,3 +18,6 @@ config SHIELD_WAVESHARE_EPAPER_GDEH0154A07
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config SHIELD_WAVESHARE_EPAPER_GDEW042T2
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def_bool $(shields_list_contains,waveshare_epaper_gdew042t2)
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config SHIELD_WAVESHARE_EPAPER_GDEW027W3
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def_bool $(shields_list_contains,waveshare_epaper_gdew027w3)

‎boards/shields/waveshare_epaper/doc/index.rst

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@@ -65,6 +65,9 @@ Current supported displays
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| Good Display | WFT0420CZ15 | UC8176 / | waveshare_epaper_gdew042t2 |
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| GDEW042T2 | | gd7965 | |
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+--------------+-----------------+--------------+------------------------------+
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| Good Display | WFI0190CZ22 | EK79652 / | waveshare_epaper_gdew027w3 |
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| GDEW027W3 | | gd7965 | |
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+--------------+-----------------+--------------+------------------------------+
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Requirements

‎boards/shields/waveshare_epaper/waveshare_epaper_gdew027w3.overlay

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@@ -0,0 +1,25 @@
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/*
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* Copyright (c) 2021, Linumiz
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*
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*/
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#include "waveshare_epaper_common.dtsi"
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&arduino_spi {
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ek79652@0 {
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compatible = "gooddisplay,ek79652","gooddisplay,gdew027w3";
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label = "EK79652";
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spi-max-frequency = <4000000>;
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reg = <0>;
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width = <264>;
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height = <176>;
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dc-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>; /* D9 */
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reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>; /* D8 */
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busy-gpios = <&arduino_header 13 GPIO_ACTIVE_LOW>; /* D7 */
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pwr = [03 00 2b 2b 09];
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softstart = [07 07 17];
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pwropt = [60 A5 89 A5 90 00 93 2A];
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cdi = <0x97>;
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tcon = <0x22>;
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};
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};

‎drivers/display/CMakeLists.txt

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@@ -11,6 +11,7 @@ zephyr_sources_ifdef(CONFIG_ST7789V display_st7789v.c)
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zephyr_sources_ifdef(CONFIG_ST7735R display_st7735r.c)
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zephyr_sources_ifdef(CONFIG_GD7965 gd7965.c)
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zephyr_sources_ifdef(CONFIG_LS0XX ls0xx.c)
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zephyr_sources_ifdef(CONFIG_EK79652 ek79652.c)
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if (CONFIG_ILI9XXX)
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zephyr_sources(display_ili9xxx.c)

‎drivers/display/Kconfig

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@@ -26,6 +26,7 @@ source "drivers/display/Kconfig.st7789v"
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source "drivers/display/Kconfig.gd7965"
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source "drivers/display/Kconfig.dummy"
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source "drivers/display/Kconfig.ls0xx"
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source "drivers/display/Kconfig.ek79652"
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config FRAMEBUF_DISPLAY
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# Hidden, selected by client drivers.

‎drivers/display/Kconfig.ek79652

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# GD7965 display controller configuration options
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# Copyright (c) 2020 Phytec Messtechnik GmbH
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# SPDX-License-Identifier: Apache-2.0
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config EK79652
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bool "EK79652 compatible display controller driver"
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depends on SPI
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depends on HEAP_MEM_POOL_SIZE != 0
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help
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Enable driver for EK79652 compatible controller.

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