/*
 * vc4-kms-dpi-hyperpixel4.dtsi
 * Commmon initialisation for HyperPixel DPI displays
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/bcm2835.h>

/ {
	compatible = "brcm,bcm2835";

	fragment@0 {
		target-path = "/";
		__overlay__ {
			spi {
				compatible = "spi-gpio";
				#address-cells = <1>;
				#size-cells = <0>;
				pinctrl-0 = <&spi_pins>;
				pinctrl-names = "default";

				sck-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
				mosi-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
				cs-gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
				num-chipselects = <1>;
				sck-idle-input;

				panel: display@0 {
					reg = <0>;
					/* 100 kHz */
					spi-max-frequency = <100000>;
					backlight = <&backlight>;
					rotation = <0>;

					port {
						panel_in: endpoint {
							remote-endpoint = <&dpi_out>;
						};
					};
				};
			};

			backlight: backlight {
				compatible = "gpio-backlight";
				gpios = <&gpio 19 0>;
			};
		};
	};

	fragment@1 {
		target = <&dpi>;
		__overlay__  {
			status = "okay";

			pinctrl-names = "default";
			pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;

			port {
				dpi_out: endpoint {
					remote-endpoint = <&panel_in>;
				};
			};
		};
	};

	fragment@2 {
		target = <&gpio>;
		__overlay__ {
			spi_pins: hyperpixel4_spi_pins {
				brcm,pins = <27 18 26>;
				brcm,pull = <BCM2835_PUD_UP BCM2835_PUD_UP BCM2835_PUD_OFF>;
				brcm,function = <0>;
			};
		};
	};

	fragment@3 {
		target-path = "/";
		__overlay__ {
			i2c_gpio: i2c@0 {
				compatible = "i2c-gpio";
				gpios = <&gpio 10 0 /* sda */
					 &gpio 11 0>; /* scl */
				i2c-gpio,delay-us = <4>;        /* ~100 kHz */
				#address-cells = <1>;
				#size-cells = <0>;
			};
		};
	};

	__overrides__ {
		rotate = <&panel>, "rotation:0";
	};
};