nrf52840dongle_nrf52840.overlay

/*
 * Copyright (c) 2019, Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "nrf52-bindings.h"

&spi0 { /* MOSI on D11 / P1.13 */
	led_strip: ws2812@0 {
		compatible = "worldsemi,ws2812-spi";
		label = "WS2812";

		/* SPI */
		reg = <0>; /* ignored, but necessary for SPI bindings */
		spi-max-frequency = <SPI_FREQ>;

		/* WS2812 */
		chain-length = <68>; /* arbitrary; change at will */
		spi-one-frame = <ONE_FRAME>;
		spi-zero-frame = <ZERO_FRAME>;
	};
};

/ {
	aliases {
		led-strip = &led_strip;
	};
};


// &spi2 {
// 	compatible = "nordic,nrf-spi";
// 	status = "okay";
// 	sck-pin = <19>;
// 	mosi-pin = <20>;
// 	miso-pin = <21>;
// };

// &spi1 {
// 	compatible = "nordic,nrf-spi";
// 	status = "okay";
// 	sck-pin = <31>;
// 	mosi-pin = <30>;
// 	miso-pin = <40>;
// };


/* 
 *	pin_no = PORT\*32 + PIN
 *	where a and b are from the Pin value in the table (Pb.a). For example, for P0.1, pin_no = 1 and for P1.0, pin_no = 32
*/

&spi1 {
	status = "okay";
	// cs-gpios = <&arduino_header 21 GPIO_ACTIVE_LOW>; /* D10 */ 
	//cs-gpios = <&gpio0 22 0>;

	st7789v@0 {
		compatible = "sitronix,st7789v";
		//label = "ST7789V";
		label = "DISPLAY";
		spi-max-frequency = <2000000>; //4000000 //10000000
		reg = <0>;
		cmd-data-gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;	/* p1.11 */
		reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;	/* P1.10 */
		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];
	};
};