// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * WardenOS 86-Panel board DT for the self-built Linux 6.18 forward-port.
 *
 * Includes the full vendor rv1106.dtsi (SoC nodes + pinctrl + gpio + dmac), then
 * enables only what our wall-HMI needs — no camera/ISP/CSI. Grows one driver
 * batch at a time toward full parity with the 5.10 kernel (DRIVER-PARITY.md).
 */
/dts-v1/;

#include "rv1106.dtsi"

/ {
	model = "WardenOS 86-Panel (RV1106)";
	compatible = "rockchip,rv1106-warden", "rockchip,rv1106";

	chosen {
		stdout-path = "serial2:115200n8";
		bootargs = "earlycon=uart8250,mmio32,0xff4c0000 console=ttyS2,115200n8 earlyprintk rootwait";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x10000000>; /* 256 MiB */
	};
};

/* --- console --- */
&uart2 {
	status = "okay";
};

/* --- eMMC rootfs (M3) --- */
&emmc {
	bus-width = <8>;
	cap-mmc-highspeed;
	mmc-hs200-1_8v;
	non-removable;
	status = "okay";
};

/* --- batch 1: mainline peripherals (wire DT + config) --- */
&uart1 {
	status = "okay";
};

&uart4 {
	status = "okay";
};

&i2c3 {
	status = "okay";
};

&saradc {
	status = "okay";
};

&wdt {
	status = "okay";
};

/* --- M4: display (VOP + RGB → 720x720 panel + PWM backlight) --- */
&display_subsystem {
	status = "okay";
};

&vop {
	status = "okay";
	/* mainline rockchip_drm_vop requests named "ahb" + "dclk" resets that the
	 * vendor node omits; without them vop_bind fails "failed to get ahb reset". */
	resets = <&cru SRST_H_VOP>, <&cru SRST_D_VOP>;
	reset-names = "ahb", "dclk";
};

/* mainline wires vop_out straight to the panel (no separate rgb node) */
&vop_out_rgb {
	remote-endpoint = <&panel_in_vop>;
};

&pwm1 {
	status = "okay";
	pinctrl-names = "active";
	pinctrl-0 = <&pwm1m2_pins>;
};

/ {
	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 100000 50000>;
		brightness-levels = <0 32 64 96 128 160 192 224 255>;
		default-brightness-level = <8>;
		status = "okay";
	};

	panel: panel {
		compatible = "panel-dpi";
		backlight = <&backlight>;
		width-mm = <85>;
		height-mm = <85>;

		panel-timing {
			clock-frequency = <30000000>;
			hactive = <720>;
			vactive = <720>;
			hback-porch = <44>;
			hfront-porch = <46>;
			vback-porch = <18>;
			vfront-porch = <16>;
			hsync-len = <2>;
			vsync-len = <2>;
			hsync-active = <0>;
			vsync-active = <0>;
			de-active = <0>;
			pixelclk-active = <0>;
		};

		port {
			panel_in_vop: endpoint {
				remote-endpoint = <&vop_out_rgb>;
			};
		};
	};
};

/* the vendor rgb bridge node has no 6.18 driver and its dangling endpoint
 * corrupts the vop->panel of_graph; disable it so the graph is clean. */
&rgb {
	status = "disabled";
};