boards/shields/waveshare_epaper/waveshare_epaper_gdeh029a1.overlay

/*
 * Copyright (c) 2019, PHYTEC Messtechnik GmbH
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "waveshare_epaper_common.dtsi"

/ {
	chosen {
		zephyr,display = &ssd16xx_waveshare_epaper_gdeh029a1;
	};
};

&arduino_spi {
	ssd16xx_waveshare_epaper_gdeh029a1: ssd16xxfb@0 {
		compatible = "gooddisplay,gdeh029a1", "solomon,ssd1608";
		spi-max-frequency = <4000000>;
		reg = <0>;
		width = <296>;
		height = <128>;
		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 */

		softstart = [d7 d6 9d];

		full {
			vcom = <0x9a>;
			border-waveform = <0x33>;
			dummy-line = <0x1a>;
			gate-line-width = <0x08>;
			lut = [
				50 AA 55 AA 11 00 00 00
				00 00 00 00 00 00 00 00
				00 00 00 00 FF FF 1F 00
				00 00 00 00 00 00
			];
		};

		partial {
			vcom = <0xa8>;
			border-waveform = <0x01>;
			dummy-line = <0x1a>;
			gate-line-width = <0x08>;
			lut = [
				10 18 18 08 18 18 08 00
				00 00 00 00 00 00 00 00
				00 00 00 00 13 14 44 12
				00 00 00 00 00 00
			];
		};
	};
};