arch/arm64/boot/dts/amlogic/meson_drm.dtsi

/*
 * arch/arm64/boot/dts/amlogic/meson_drm.dtsi
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
*/

/ {
	drm_amhdmitx: drm-amhdmitx {
		status = "disabled";
		hdcp = "disabled";
		compatible = "amlogic,drm-amhdmitx";
		dev_name = "meson-amhdmitx";
		interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>;
		ports {
			port {
				#address-cells = <1>;
				#size-cells = <0>;
				hdmi_in_vpu: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&vpu_out_hdmi>;
				};
			};
		};
	};

	drm_lcd: drm-lcd {
		status = "disabled";
		compatible = "amlogic,drm-lcd";
		dev_name = "meson-lcd";
		ports {
			port {
				#address-cells = <1>;
				#size-cells = <0>;
				lcd_in_vpu: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&vpu_out_lcd>;
				};
			};
		};
	};

	drm_vpu: drm-vpu@0xff900000  {
		status = "disabled";
		compatible = "amlogic,meson-gxbb-vpu";
		reg = <0x0 0xd0100000 0x0 0x100000>,
			  <0x0 0xc883c000 0x0 0x1000>,
			  <0x0 0xc8838000 0x0 0x1000>;
		reg-names = "base", "hhi", "dmc";
		interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>;
		dma-coherent;
		vpu_out: port {
			#address-cells = <1>;
			#size-cells = <0>;

			vpu_out_hdmi: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&hdmi_in_vpu>;
			};
			vpu_out_lcd: endpoint@1 {
				reg = <1>;
				remote-endpoint = <&lcd_in_vpu>;
			};
		};
	};

	drm_subsystem: drm-subsystem {
		status = "okay";
		compatible = "amlogic,drm-subsystem";
		ports = <&vpu_out>;
	};
};

&gpu{
	/*gpu max freq is 750M*/
	def_clk = <1>;
	tbl = <&clk285_cfg &clk666_cfg &clk750_cfg &clk750_cfg>;

	clk285_cfg:clk285_cfg {
		 keep_count = <2>;
		 threshold = <100 200>;
	};

	clk666_cfg:clk666_cfg {
		 keep_count = <1>;
		 threshold = <85 200>;
	};

	clk750_cfg:clk750_cfg {
		 keep_count = <1>;
		 threshold = <179 255>;
	};

};