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kernel/linux-rt-4.4.41/arch/arm/boot/dts/bcm-nsp.dtsi 3.33 KB
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  /*
   *  BSD LICENSE
   *
   *  Copyright(c) 2015 Broadcom Corporation.  All rights reserved.
   *
   *  Redistribution and use in source and binary forms, with or without
   *  modification, are permitted provided that the following conditions
   *  are met:
   *
   *    * Redistributions of source code must retain the above copyright
   *      notice, this list of conditions and the following disclaimer.
   *    * Redistributions in binary form must reproduce the above copyright
   *      notice, this list of conditions and the following disclaimer in
   *      the documentation and/or other materials provided with the
   *      distribution.
   *    * Neither the name of Broadcom Corporation nor the names of its
   *      contributors may be used to endorse or promote products derived
   *      from this software without specific prior written permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <dt-bindings/interrupt-controller/arm-gic.h>
  #include <dt-bindings/interrupt-controller/irq.h>
  
  #include "skeleton.dtsi"
  
  / {
  	compatible = "brcm,nsp";
  	model = "Broadcom Northstar Plus SoC";
  	interrupt-parent = <&gic>;
  
  	mpcore {
  		compatible = "simple-bus";
  		ranges = <0x00000000 0x19020000 0x00003000>;
  		#address-cells = <1>;
  		#size-cells = <1>;
  
  		cpus {
  			#address-cells = <1>;
  			#size-cells = <0>;
  
  			cpu@0 {
  				device_type = "cpu";
  				compatible = "arm,cortex-a9";
  				next-level-cache = <&L2>;
  				reg = <0x0>;
  			};
  		};
  
  		L2: l2-cache {
  			compatible = "arm,pl310-cache";
  			reg = <0x2000 0x1000>;
  			cache-unified;
  			cache-level = <2>;
  		};
  
  		gic: interrupt-controller@19021000 {
  			compatible = "arm,cortex-a9-gic";
  			#interrupt-cells = <3>;
  			#address-cells = <0>;
  			interrupt-controller;
  			reg = <0x1000 0x1000>,
  			      <0x0100 0x100>;
  		};
  
  		timer@19020200 {
  			compatible = "arm,cortex-a9-global-timer";
  			reg = <0x0200 0x100>;
  			interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
  			clocks = <&periph_clk>;
  		};
  	};
  
  	clocks {
  		#address-cells = <1>;
  		#size-cells = <1>;
  		ranges;
  
  		periph_clk: periph_clk {
  			compatible = "fixed-clock";
  			#clock-cells = <0>;
  			clock-frequency = <500000000>;
  		};
  	};
  
  	axi {
  		compatible = "simple-bus";
  		ranges = <0x00000000 0x18000000 0x00001000>;
  		#address-cells = <1>;
  		#size-cells = <1>;
  
  		uart0: serial@18000300 {
  			compatible = "ns16550a";
  			reg = <0x0300 0x100>;
  			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
  			clock-frequency = <62499840>;
  			status = "disabled";
  		};
  
  		uart1: serial@18000400 {
  			compatible = "ns16550a";
  			reg = <0x0400 0x100>;
  			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
  			clock-frequency = <62499840>;
  			status = "disabled";
  		};
  	};
  };