linux/arch/arm/boot/dts/arm-realview-pb1176.dts

/*
 * Copyright 2014 Linaro Ltd
 *
 * 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.
 */

/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "skeleton.dtsi"

/ {
	model = "ARM RealView PB1176";
	compatible = "arm,realview-pb1176";

	chosen { };

	aliases {
		serial0 = &pb1176_serial0;
		serial1 = &pb1176_serial1;
		serial2 = &pb1176_serial2;
		serial3 = &pb1176_serial3;
		serial4 = &fpga_serial;
	};

	memory {
		/* 128 MiB memory @ 0x0 */
		reg = <0x00000000 0x08000000>;
	};

	/* The voltage to the MMC card is hardwired at 3.3V */
	vmmc: fixedregulator@0 {
		compatible = "regulator-fixed";
		regulator-name = "vmmc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
        };

	xtal24mhz: xtal24mhz@24M {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
	};

	timclk: timclk@1M {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <24>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	mclk: mclk@24M {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <1>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	kmiclk: kmiclk@24M {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <1>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	sspclk: sspclk@24M {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <1>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	uartclk: uartclk@24M {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <1>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	/* FIXME: this actually hangs off the PLL clocks */
	pclk: pclk@0 {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <0>;
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "arm,realview-pb1176-soc", "simple-bus";
		regmap = <&syscon>;
		ranges;

		syscon: syscon@10000000 {
			compatible = "arm,realview-pb1176-syscon", "syscon";
			reg = <0x10000000 0x1000>;

			led@08.0 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x01>;
				label = "versatile:0";
				linux,default-trigger = "heartbeat";
				default-state = "on";
			};
			led@08.1 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x02>;
				label = "versatile:1";
				linux,default-trigger = "mmc0";
				default-state = "off";
			};
			led@08.2 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x04>;
				label = "versatile:2";
				linux,default-trigger = "cpu0";
				default-state = "off";
			};
			led@08.3 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x08>;
				label = "versatile:3";
				default-state = "off";
			};
			led@08.4 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x10>;
				label = "versatile:4";
				default-state = "off";
			};
			led@08.5 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x20>;
				label = "versatile:5";
				default-state = "off";
			};
			led@08.6 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x40>;
				label = "versatile:6";
				default-state = "off";
			};
			led@08.7 {
				compatible = "register-bit-led";
				offset = <0x08>;
				mask = <0x80>;
				label = "versatile:7";
				default-state = "off";
			};
		};

		/* Primary DevChip GIC synthesized with the CPU */
		intc_dc1176: interrupt-controller@10120000 {
			compatible = "arm,arm1176jzf-devchip-gic", "arm,arm11mp-gic";
			#interrupt-cells = <3>;
			#address-cells = <1>;
			interrupt-controller;
			reg = <0x10121000 0x1000>,
			      <0x10120000 0x100>;
		};

		L2: l2-cache {
			compatible = "arm,l220-cache";
			reg = <0x10110000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 13 IRQ_TYPE_LEVEL_HIGH>;
			cache-unified;
			cache-level = <2>;
			/*
			 * Override default cache size, sets and
			 * associativity as these may be erroneously set
			 * up by boot loader(s).
			 */
			arm,override-auxreg;
			cache-size = <131072>; // 128kB
			cache-sets = <512>;
			cache-line-size = <32>;
		};

		pmu {
			compatible = "arm,arm1176-pmu";
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 7 IRQ_TYPE_LEVEL_HIGH>;
		};

		timer01: timer@10104000 {
			compatible = "arm,sp804", "arm,primecell";
			reg = <0x10104000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 8 IRQ_TYPE_LEVEL_HIGH>, <0 9 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&timclk>, <&timclk>, <&pclk>;
			clock-names = "timer1", "timer2", "apb_pclk";
		};

		timer23: timer@10105000 {
			compatible = "arm,sp804", "arm,primecell";
			reg = <0x10105000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 10 IRQ_TYPE_LEVEL_HIGH>;
			arm,sp804-has-irq = <1>;
			clocks = <&timclk>, <&timclk>, <&pclk>;
			clock-names = "timer1", "timer2", "apb_pclk";
		};

		pb1176_rtc: rtc@10108000 {
			compatible = "arm,pl031", "arm,primecell";
			reg = <0x10108000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 14 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};

		pb1176_gpio0: gpio@1010a000 {
			compatible = "arm,pl061", "arm,primecell";
			reg = <0x1010a000 0x1000>;
			gpio-controller;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 16 IRQ_TYPE_LEVEL_HIGH>;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};

		pb1176_ssp: ssp@1010b000 {
			compatible = "arm,pl022", "arm,primecell";
			reg = <0x1010b000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 17 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&sspclk>, <&pclk>;
			clock-names = "SSPCLK", "apb_pclk";
		};

		pb1176_serial0: serial@1010c000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x1010c000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 18 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&uartclk>, <&pclk>;
			clock-names = "uartclk", "apb_pclk";
		};

		pb1176_serial1: serial@1010d000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x1010d000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&uartclk>, <&pclk>;
			clock-names = "uartclk", "apb_pclk";
		};

		pb1176_serial2: serial@1010e000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x1010e000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 20 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&uartclk>, <&pclk>;
			clock-names = "uartclk", "apb_pclk";
		};

		pb1176_serial3: serial@1010f000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x1010f000 0x1000>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 21 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&uartclk>, <&pclk>;
			clock-names = "uartclk", "apb_pclk";
		};
	};

	/* These peripherals are inside the FPGA rather than the DevChip */
	fpga {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		ranges;

		fpga_mci: mmcsd@10005000 {
			compatible = "arm,pl18x", "arm,primecell";
			reg = <0x10005000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 1 IRQ_TYPE_LEVEL_HIGH>,
					<0 2 IRQ_TYPE_LEVEL_HIGH>;
			/* Due to frequent FIFO overruns, use just 500 kHz */
			max-frequency = <500000>;
			bus-width = <4>;
			cap-sd-highspeed;
			cap-mmc-highspeed;
			clocks = <&mclk>, <&pclk>;
			clock-names = "mclk", "apb_pclk";
			vmmc-supply = <&vmmc>;
			cd-gpios = <&fpga_gpio1 0 GPIO_ACTIVE_LOW>;
			wp-gpios = <&fpga_gpio1 1 GPIO_ACTIVE_HIGH>;
		};

		fpga_kmi0: kmi@10006000 {
			compatible = "arm,pl050", "arm,primecell";
			reg = <0x10006000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&kmiclk>, <&pclk>;
			clock-names = "KMIREFCLK", "apb_pclk";
		};

		fpga_kmi1: kmi@10007000 {
			compatible = "arm,pl050", "arm,primecell";
			reg = <0x10007000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 4 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&kmiclk>, <&pclk>;
			clock-names = "KMIREFCLK", "apb_pclk";
		};

		fpga_charlcd: charlcd@10008000 {
			compatible = "arm,versatile-lcd";
			reg = <0x10008000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 7 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};

		fpga_serial: serial@10009000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x10009000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 6 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&uartclk>, <&pclk>;
			clock-names = "uartclk", "apb_pclk";
		};

		/* This GIC on the board is cascaded off the DevChip GIC */
		intc_fpga1176: interrupt-controller@10040000 {
			compatible = "arm,arm1176jzf-devchip-gic", "arm,arm11mp-gic";
			#interrupt-cells = <3>;
			#address-cells = <1>;
			interrupt-controller;
			reg = <0x10041000 0x1000>,
			      <0x10040000 0x100>;
			interrupt-parent = <&intc_dc1176>;
			interrupts = <0 31 IRQ_TYPE_LEVEL_HIGH>;
		};

		fpga_gpio0: gpio@10014000 {
			compatible = "arm,pl061", "arm,primecell";
			reg = <0x10014000 0x1000>;
			gpio-controller;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 8 IRQ_TYPE_LEVEL_HIGH>;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};

		fpga_gpio1: gpio@10015000 {
			compatible = "arm,pl061", "arm,primecell";
			reg = <0x10015000 0x1000>;
			gpio-controller;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};

		fpga_rtc: rtc@10017000 {
			compatible = "arm,pl031", "arm,primecell";
			reg = <0x10017000 0x1000>;
			interrupt-parent = <&intc_fpga1176>;
			interrupts = <0 25 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&pclk>;
			clock-names = "apb_pclk";
		};


	};
};