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kernel/linux-rt-4.4.41/arch/arm/boot/dts/at91-cosino.dtsi 2.31 KB
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  /*
   * at91-cosino.dtsi - Device Tree file for Cosino core module
   *
   * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
   *			HCE Engineering
   *
   * Derived from at91sam9x5ek.dtsi by:
   *	Copyright (C) 2012 Atmel,
   *	2012 Nicolas Ferre <nicolas.ferre@atmel.com>
   *
   * Licensed under GPLv2 or later.
   */
  
  #include "at91sam9g35.dtsi"
  
  / {
  	model = "HCE Cosino core module";
  	compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
  
  	chosen {
  		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
  	};
  
  	memory {
  		reg = <0x20000000 0x8000000>;
  	};
  
  	clocks {
  		#address-cells = <1>;
  		#size-cells = <1>;
  		ranges;
  
  		main_clock: clock@0 {
  			compatible = "atmel,osc", "fixed-clock";
  			clock-frequency = <12000000>;
  		};
  
  		slow_xtal {
  			clock-frequency = <32768>;
  		};
  
  		main_xtal {
  			clock-frequency = <12000000>;
  		};
  	};
  
  	ahb {
  		apb {
  			mmc0: mmc@f0008000 {
  				pinctrl-0 = <
  					&pinctrl_board_mmc0
  					&pinctrl_mmc0_slot0_clk_cmd_dat0
  					&pinctrl_mmc0_slot0_dat1_3>;
  				status = "okay";
  				slot@0 {
  					reg = <0>;
  					bus-width = <4>;
  					cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  				};
  			};
  
  			dbgu: serial@fffff200 {
  				status = "okay";
  			};
  
  			usart0: serial@f801c000 {
  				status = "okay";
  			};
  
  			i2c0: i2c@f8010000 {
  				status = "okay";
  			};
  
  			adc0: adc@f804c000 {
  				atmel,adc-ts-wires = <4>;
  				atmel,adc-ts-pressure-threshold = <10000>;
  				status = "okay";
  			};
  
  			pinctrl@fffff400 {
  				mmc0 {
  					pinctrl_board_mmc0: mmc0-board {
  						atmel,pins =
  							<AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PD15 gpio CD pin pull up and deglitch */
  					};
  				};
  			};
  
  			watchdog@fffffe40 {
  				status = "okay";
  			};
  		};
  
  		nand0: nand@40000000 {
  			nand-bus-width = <8>;
  			nand-ecc-mode = "hw";
  			atmel,has-pmecc;	/* Enable PMECC */
  			atmel,pmecc-cap = <4>;
  			atmel,pmecc-sector-size = <512>;
  			nand-on-flash-bbt;
  			status = "okay";
  
  			at91bootstrap@0 {
  				label = "at91bootstrap";
  				reg = <0x0 0x40000>;
  			};
  
  			uboot@40000 {
  				label = "u-boot";
  				reg = <0x40000 0x80000>;
  			};
  
  			ubootenv@c0000 {
  				label = "U-Boot Env";
  				reg = <0xc0000 0x140000>;
  			};
  
  			kernel@200000 {
  				label = "kernel";
  				reg = <0x200000 0x600000>;
  			};
  
  			rootfs@800000 {
  				label = "rootfs";
  				reg = <0x800000 0x0f800000>;
  			};
  		};
  	};
  };