Initial import

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diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
new file mode 100644
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--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-a23.dtsi
@@ -0,0 +1,611 @@
+/*
+ * Copyright 2014 Chen-Yu Tsai
+ *
+ * Chen-Yu Tsai <wens@csie.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file 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 file 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.
+ *
+ *     You should have received a copy of the GNU General Public
+ *     License along with this file; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "skeleton.dtsi"
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	interrupt-parent = <&gic>;
+
+	chosen {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		framebuffer@0 {
+			compatible = "allwinner,simple-framebuffer",
+				     "simple-framebuffer";
+			allwinner,pipeline = "de_be0-lcd0";
+			clocks = <&pll6 0>;
+			status = "disabled";
+		};
+	};
+
+	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 */
+		pll5: pll5_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <0>;
+			clock-output-names = "pll5";
+		};
+
+		pll6: clk@01c20028 {
+			#clock-cells = <1>;
+			compatible = "allwinner,sun6i-a31-pll6-clk";
+			reg = <0x01c20028 0x4>;
+			clocks = <&osc24M>;
+			clock-output-names = "pll6", "pll6x2";
+		};
+
+		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: ahb1_clk@01c20054 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun6i-a31-ahb1-clk";
+			reg = <0x01c20054 0x4>;
+			clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>;
+			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: clk@01c20058 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-a10-apb1-clk";
+			reg = <0x01c20058 0x4>;
+			clocks = <&osc32k>, <&osc24M>, <&pll6 0>, <&pll6 0>;
+			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";
+		};
+
+		mmc0_clk: clk@01c20088 {
+			#clock-cells = <1>;
+			compatible = "allwinner,sun4i-a10-mmc-clk";
+			reg = <0x01c20088 0x4>;
+			clocks = <&osc24M>, <&pll6 0>;
+			clock-output-names = "mmc0",
+					     "mmc0_output",
+					     "mmc0_sample";
+		};
+
+		mmc1_clk: clk@01c2008c {
+			#clock-cells = <1>;
+			compatible = "allwinner,sun4i-a10-mmc-clk";
+			reg = <0x01c2008c 0x4>;
+			clocks = <&osc24M>, <&pll6 0>;
+			clock-output-names = "mmc1",
+					     "mmc1_output",
+					     "mmc1_sample";
+		};
+
+		mmc2_clk: clk@01c20090 {
+			#clock-cells = <1>;
+			compatible = "allwinner,sun4i-a10-mmc-clk";
+			reg = <0x01c20090 0x4>;
+			clocks = <&osc24M>, <&pll6 0>;
+			clock-output-names = "mmc2",
+					     "mmc2_output",
+					     "mmc2_sample";
+		};
+
+		mbus_clk: clk@01c2015c {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun8i-a23-mbus-clk";
+			reg = <0x01c2015c 0x4>;
+			clocks = <&osc24M>, <&pll6 1>, <&pll5>;
+			clock-output-names = "mbus";
+		};
+	};
+
+	soc@01c00000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		dma: dma-controller@01c02000 {
+			compatible = "allwinner,sun8i-a23-dma";
+			reg = <0x01c02000 0x1000>;
+			interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ahb1_gates 6>;
+			resets = <&ahb1_rst 6>;
+			#dma-cells = <1>;
+		};
+
+		mmc0: mmc@01c0f000 {
+			compatible = "allwinner,sun5i-a13-mmc";
+			reg = <0x01c0f000 0x1000>;
+			clocks = <&ahb1_gates 8>,
+				 <&mmc0_clk 0>,
+				 <&mmc0_clk 1>,
+				 <&mmc0_clk 2>;
+			clock-names = "ahb",
+				      "mmc",
+				      "output",
+				      "sample";
+			resets = <&ahb1_rst 8>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		mmc1: mmc@01c10000 {
+			compatible = "allwinner,sun5i-a13-mmc";
+			reg = <0x01c10000 0x1000>;
+			clocks = <&ahb1_gates 9>,
+				 <&mmc1_clk 0>,
+				 <&mmc1_clk 1>,
+				 <&mmc1_clk 2>;
+			clock-names = "ahb",
+				      "mmc",
+				      "output",
+				      "sample";
+			resets = <&ahb1_rst 9>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		mmc2: mmc@01c11000 {
+			compatible = "allwinner,sun5i-a13-mmc";
+			reg = <0x01c11000 0x1000>;
+			clocks = <&ahb1_gates 10>,
+				 <&mmc2_clk 0>,
+				 <&mmc2_clk 1>,
+				 <&mmc2_clk 2>;
+			clock-names = "ahb",
+				      "mmc",
+				      "output",
+				      "sample";
+			resets = <&ahb1_rst 10>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		pio: pinctrl@01c20800 {
+			compatible = "allwinner,sun8i-a23-pinctrl";
+			reg = <0x01c20800 0x400>;
+			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+			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 = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			mmc0_pins_a: mmc0@0 {
+				allwinner,pins = "PF0","PF1","PF2","PF3","PF4","PF5";
+				allwinner,function = "mmc0";
+				allwinner,drive = <SUN4I_PINCTRL_30_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			mmc1_pins_a: mmc1@0 {
+				allwinner,pins = "PG0","PG1","PG2","PG3","PG4","PG5";
+				allwinner,function = "mmc1";
+				allwinner,drive = <SUN4I_PINCTRL_30_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			i2c0_pins_a: i2c0@0 {
+				allwinner,pins = "PH2", "PH3";
+				allwinner,function = "i2c0";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			i2c1_pins_a: i2c1@0 {
+				allwinner,pins = "PH4", "PH5";
+				allwinner,function = "i2c1";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			i2c2_pins_a: i2c2@0 {
+				allwinner,pins = "PE12", "PE13";
+				allwinner,function = "i2c2";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+		};
+
+		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 = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&osc24M>;
+		};
+
+		wdt0: watchdog@01c20ca0 {
+			compatible = "allwinner,sun6i-a31-wdt";
+			reg = <0x01c20ca0 0x20>;
+			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		lradc: lradc@01c22800 {
+			compatible = "allwinner,sun4i-a10-lradc-keys";
+			reg = <0x01c22800 0x100>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart0: serial@01c28000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c28000 0x400>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&apb2_gates 16>;
+			resets = <&apb2_rst 16>;
+			dmas = <&dma 6>, <&dma 6>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
+		uart1: serial@01c28400 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c28400 0x400>;
+			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&apb2_gates 17>;
+			resets = <&apb2_rst 17>;
+			dmas = <&dma 7>, <&dma 7>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
+		uart2: serial@01c28800 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c28800 0x400>;
+			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&apb2_gates 18>;
+			resets = <&apb2_rst 18>;
+			dmas = <&dma 8>, <&dma 8>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
+		uart3: serial@01c28c00 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c28c00 0x400>;
+			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&apb2_gates 19>;
+			resets = <&apb2_rst 19>;
+			dmas = <&dma 9>, <&dma 9>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
+		uart4: serial@01c29000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c29000 0x400>;
+			interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&apb2_gates 20>;
+			resets = <&apb2_rst 20>;
+			dmas = <&dma 10>, <&dma 10>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
+		i2c0: i2c@01c2ac00 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2ac00 0x400>;
+			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&apb2_gates 0>;
+			resets = <&apb2_rst 0>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c1: i2c@01c2b000 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2b000 0x400>;
+			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&apb2_gates 1>;
+			resets = <&apb2_rst 1>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c2: i2c@01c2b400 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2b400 0x400>;
+			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&apb2_gates 2>;
+			resets = <&apb2_rst 2>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		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 = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+		};
+
+		rtc: rtc@01f00000 {
+			compatible = "allwinner,sun6i-a31-rtc";
+			reg = <0x01f00000 0x54>;
+			interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		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 = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			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 = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+			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 = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+		};
+	};
+};