/*
 * Copyright 2014 Chen-Yu Tsai
 *
 * Chen-Yu Tsai <wens@csie.org>
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

/include/ "skeleton.dtsi"

/ {
	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;
		serial5 = &r_uart;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <0>;
		};

		cpu@1 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <1>;
		};
	};

	memory {
		reg = <0x40000000 0x40000000>;
	};

	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		osc24M: osc24M_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <24000000>;
			clock-output-names = "osc24M";
		};

		osc32k: osc32k_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <32768>;
			clock-output-names = "osc32k";
		};

		pll1: clk@01c20000 {
			#clock-cells = <0>;
			compatible = "allwinner,sun8i-a23-pll1-clk";
			reg = <0x01c20000 0x4>;
			clocks = <&osc24M>;
			clock-output-names = "pll1";
		};

		/* dummy clock until actually implemented */
		pll6: pll6_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <600000000>;
			clock-output-names = "pll6";
		};

		cpu: cpu_clk@01c20050 {
			#clock-cells = <0>;
			compatible = "allwinner,sun4i-a10-cpu-clk";
			reg = <0x01c20050 0x4>;

			/*
			 * PLL1 is listed twice here.
			 * While it looks suspicious, it's actually documented
			 * that way both in the datasheet and in the code from
			 * Allwinner.
			 */
			clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>;
			clock-output-names = "cpu";
		};

		axi: axi_clk@01c20050 {
			#clock-cells = <0>;
			compatible = "allwinner,sun8i-a23-axi-clk";
			reg = <0x01c20050 0x4>;
			clocks = <&cpu>;
			clock-output-names = "axi";
		};

		ahb1_mux: ahb1_mux_clk@01c20054 {
			#clock-cells = <0>;
			compatible = "allwinner,sun6i-a31-ahb1-mux-clk";
			reg = <0x01c20054 0x4>;
			clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6>;
			clock-output-names = "ahb1_mux";
		};

		ahb1: ahb1_clk@01c20054 {
			#clock-cells = <0>;
			compatible = "allwinner,sun4i-a10-ahb-clk";
			reg = <0x01c20054 0x4>;
			clocks = <&ahb1_mux>;
			clock-output-names = "ahb1";
		};

		apb1: apb1_clk@01c20054 {
			#clock-cells = <0>;
			compatible = "allwinner,sun4i-a10-apb0-clk";
			reg = <0x01c20054 0x4>;
			clocks = <&ahb1>;
			clock-output-names = "apb1";
		};

		ahb1_gates: clk@01c20060 {
			#clock-cells = <1>;
			compatible = "allwinner,sun8i-a23-ahb1-gates-clk";
			reg = <0x01c20060 0x8>;
			clocks = <&ahb1>;
			clock-output-names = "ahb1_mipidsi", "ahb1_dma",
					"ahb1_mmc0", "ahb1_mmc1", "ahb1_mmc2",
					"ahb1_nand", "ahb1_sdram",
					"ahb1_hstimer", "ahb1_spi0",
					"ahb1_spi1", "ahb1_otg", "ahb1_ehci",
					"ahb1_ohci", "ahb1_ve", "ahb1_lcd",
					"ahb1_csi", "ahb1_be",	"ahb1_fe",
					"ahb1_gpu", "ahb1_spinlock",
					"ahb1_drc";
		};

		apb1_gates: clk@01c20068 {
			#clock-cells = <1>;
			compatible = "allwinner,sun8i-a23-apb1-gates-clk";
			reg = <0x01c20068 0x4>;
			clocks = <&apb1>;
			clock-output-names = "apb1_codec", "apb1_pio",
					"apb1_daudio0",	"apb1_daudio1";
		};

		apb2_mux: apb2_mux_clk@01c20058 {
			#clock-cells = <0>;
			compatible = "allwinner,sun4i-a10-apb1-mux-clk";
			reg = <0x01c20058 0x4>;
			clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>;
			clock-output-names = "apb2_mux";
		};

		apb2: apb2_clk@01c20058 {
			#clock-cells = <0>;
			compatible = "allwinner,sun6i-a31-apb2-div-clk";
			reg = <0x01c20058 0x4>;
			clocks = <&apb2_mux>;
			clock-output-names = "apb2";
		};

		apb2_gates: clk@01c2006c {
			#clock-cells = <1>;
			compatible = "allwinner,sun8i-a23-apb2-gates-clk";
			reg = <0x01c2006c 0x4>;
			clocks = <&apb2>;
			clock-output-names = "apb2_i2c0", "apb2_i2c1",
					"apb2_i2c2", "apb2_uart0",
					"apb2_uart1", "apb2_uart2",
					"apb2_uart3", "apb2_uart4";
		};
	};

	soc@01c00000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		pio: pinctrl@01c20800 {
			compatible = "allwinner,sun8i-a23-pinctrl";
			reg = <0x01c20800 0x400>;
			interrupts = <0 11 4>,
				     <0 15 4>,
				     <0 17 4>;
			clocks = <&apb1_gates 5>;
			gpio-controller;
			interrupt-controller;
			#address-cells = <1>;
			#size-cells = <0>;
			#gpio-cells = <3>;

			uart0_pins_a: uart0@0 {
				allwinner,pins = "PF2", "PF4";
				allwinner,function = "uart0";
				allwinner,drive = <0>;
				allwinner,pull = <0>;
			};
		};

		ahb1_rst: reset@01c202c0 {
			#reset-cells = <1>;
			compatible = "allwinner,sun6i-a31-clock-reset";
			reg = <0x01c202c0 0xc>;
		};

		apb1_rst: reset@01c202d0 {
			#reset-cells = <1>;
			compatible = "allwinner,sun6i-a31-clock-reset";
			reg = <0x01c202d0 0x4>;
		};

		apb2_rst: reset@01c202d8 {
			#reset-cells = <1>;
			compatible = "allwinner,sun6i-a31-clock-reset";
			reg = <0x01c202d8 0x4>;
		};

		timer@01c20c00 {
			compatible = "allwinner,sun4i-a10-timer";
			reg = <0x01c20c00 0xa0>;
			interrupts = <0 18 4>,
				     <0 19 4>;
			clocks = <&osc24M>;
		};

		wdt0: watchdog@01c20ca0 {
			compatible = "allwinner,sun6i-a31-wdt";
			reg = <0x01c20ca0 0x20>;
			interrupts = <0 25 4>;
		};

		uart0: serial@01c28000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28000 0x400>;
			interrupts = <0 0 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb2_gates 16>;
			resets = <&apb2_rst 16>;
			status = "disabled";
		};

		uart1: serial@01c28400 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28400 0x400>;
			interrupts = <0 1 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb2_gates 17>;
			resets = <&apb2_rst 17>;
			status = "disabled";
		};

		uart2: serial@01c28800 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28800 0x400>;
			interrupts = <0 2 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb2_gates 18>;
			resets = <&apb2_rst 18>;
			status = "disabled";
		};

		uart3: serial@01c28c00 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c28c00 0x400>;
			interrupts = <0 3 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb2_gates 19>;
			resets = <&apb2_rst 19>;
			status = "disabled";
		};

		uart4: serial@01c29000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01c29000 0x400>;
			interrupts = <0 4 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb2_gates 20>;
			resets = <&apb2_rst 20>;
			status = "disabled";
		};

		gic: interrupt-controller@01c81000 {
			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
			reg = <0x01c81000 0x1000>,
			      <0x01c82000 0x1000>,
			      <0x01c84000 0x2000>,
			      <0x01c86000 0x2000>;
			interrupt-controller;
			#interrupt-cells = <3>;
			interrupts = <1 9 0xf04>;
		};

		rtc: rtc@01f00000 {
			compatible = "allwinner,sun6i-a31-rtc";
			reg = <0x01f00000 0x54>;
			interrupts = <0 40 4>, <0 41 4>;
		};

		prcm@01f01400 {
			compatible = "allwinner,sun8i-a23-prcm";
			reg = <0x01f01400 0x200>;

			ar100: ar100_clk {
				compatible = "fixed-factor-clock";
				#clock-cells = <0>;
				clock-div = <1>;
				clock-mult = <1>;
				clocks = <&osc24M>;
				clock-output-names = "ar100";
			};

			ahb0: ahb0_clk {
				compatible = "fixed-factor-clock";
				#clock-cells = <0>;
				clock-div = <1>;
				clock-mult = <1>;
				clocks = <&ar100>;
				clock-output-names = "ahb0";
			};

			apb0: apb0_clk {
				compatible = "allwinner,sun8i-a23-apb0-clk";
				#clock-cells = <0>;
				clocks = <&ahb0>;
				clock-output-names = "apb0";
			};

			apb0_gates: apb0_gates_clk {
				compatible = "allwinner,sun8i-a23-apb0-gates-clk";
				#clock-cells = <1>;
				clocks = <&apb0>;
				clock-output-names = "apb0_pio", "apb0_timer",
						"apb0_rsb", "apb0_uart",
						"apb0_i2c";
			};

			apb0_rst: apb0_rst {
				compatible = "allwinner,sun6i-a31-clock-reset";
				#reset-cells = <1>;
			};
		};

		r_uart: serial@01f02800 {
			compatible = "snps,dw-apb-uart";
			reg = <0x01f02800 0x400>;
			interrupts = <0 38 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			clocks = <&apb0_gates 4>;
			resets = <&apb0_rst 4>;
			status = "disabled";
		};

		r_pio: pinctrl@01f02c00 {
			compatible = "allwinner,sun8i-a23-r-pinctrl";
			reg = <0x01f02c00 0x400>;
			interrupts = <0 45 4>;
			clocks = <&apb0_gates 0>;
			resets = <&apb0_rst 0>;
			gpio-controller;
			interrupt-controller;
			#address-cells = <1>;
			#size-cells = <0>;
			#gpio-cells = <3>;

			r_uart_pins_a: r_uart@0 {
				allwinner,pins = "PL2", "PL3";
				allwinner,function = "s_uart";
				allwinner,drive = <0>;
				allwinner,pull = <0>;
			};
		};
	};
};