shields: st7789v_generic: add support for Waveshare 1.3inch display

Add support for Waveshare 1.3inch IPS LCD display.

Signed-off-by: Johann Fischer <[email protected]>

Author: jfischer-no

boards/shields/st7789v_generic/doc/index.rst

@@ -39,6 +39,9 @@ Current supported displays
 | TL019FQV01           | st7789v_tl019fqv01           |
 |                      |                              |
 +----------------------+------------------------------+
+| Waveshare 240x240    | st7789v_waveshare_240x240    |
+| 1.3inch IPS LCD      |                              |
++----------------------+------------------------------+
 
 Requirements
 ************

boards/shields/st7789v_generic/st7789v_waveshare_240x240.conf

@@ -0,0 +1,10 @@
+CONFIG_SPI=y
+CONFIG_DISPLAY=y
+CONFIG_ST7789V=y
+
+CONFIG_ST7789V_RGB565=y
+CONFIG_LVGL_BITS_PER_PIXEL=16
+CONFIG_LVGL_HOR_RES=240
+CONFIG_LVGL_VER_RES=240
+
+CONFIG_LVGL_DISPLAY_DEV_NAME="ST7789V"

boards/shields/st7789v_generic/st7789v_waveshare_240x240.overlay

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019 Jan Van Winkel <[email protected]>
+ * Copyright (c) 2019 PHYTEC Messtechnik GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&arduino_spi {
+	status = "okay";
+	cs-gpios = <&arduino_header 16 0>;	/* D10 */
+
+	st7789v@0 {
+		compatible = "sitronix,st7789v";
+		label = "ST7789V";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+		cmd-data-gpios = <&arduino_header 15 0>;	/* D9 */
+		reset-gpios = <&arduino_header 14 0>;		/* D8 */
+		width = <240>;
+		height = <240>;
+		x-offset = <0>;
+		y-offset = <0>;
+		vcom = <0x19>;
+		gctrl = <0x35>;
+		vrhs = <0x12>;
+		vdvs = <0x20>;
+		mdac = <0x00>;
+		gamma = <0x01>;
+		colmod = <0x05>;
+		lcm = <0x2c>;
+		porch-param = [0c 0c 00 33 33];
+		cmd2en-param = [5a 69 02 01];
+		pwctrl1-param = [a4 a1];
+		pvgam-param = [D0 04 0D 11 13 2B 3F 54 4C 18 0D 0B 1F 23];
+		nvgam-param = [D0 04 0C 11 13 2C 3F 44 51 2F 1F 1F 20 23];
+		ram-param = [00 F0];
+		rgb-param = [CD 08 14];
+	};
+};