The DTC labels feature allows a dts file to reference a node without having to reproduce the entire node hierarchy above it. We can use this to simplify the MPC5200 board dts files by referencing the gpt nodes by label. Cc: Anatolij Gustschin <agust@denx.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> [agust: fixed gpt7 phandle in the csi node of o2d.dtsi] Signed-off-by: Anatolij Gustschin <agust@denx.de>
		
			
				
	
	
		
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			122 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
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/*
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 * O2D base Device Tree Source
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 *
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 * Copyright (C) 2012 DENX Software Engineering
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 * Anatolij Gustschin <agust@denx.de>
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 *
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 * This program is free software; you can redistribute  it and/or modify it
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 * under  the terms of  the GNU General  Public License as published by the
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 * Free Software Foundation;  either version 2 of the  License, or (at your
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 * option) any later version.
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 */
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/include/ "mpc5200b.dtsi"
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&gpt0 {
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	gpio-controller;
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	fsl,has-wdt;
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	fsl,wdt-on-boot = <0>;
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};
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&gpt1 { gpio-controller; };
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/ {
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	model = "ifm,o2d";
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	compatible = "ifm,o2d";
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	memory {
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		reg = <0x00000000 0x04000000>;	// 64MB
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	};
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	soc5200@f0000000 {
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		rtc@800 {
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			status = "disabled";
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		};
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		psc@2000 {		// PSC1
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			compatible = "fsl,mpc5200b-psc-spi","fsl,mpc5200-psc-spi";
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			#address-cells = <1>;
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			#size-cells = <0>;
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			cell-index = <0>;
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			spidev@0 {
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				compatible = "spidev";
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				spi-max-frequency = <250000>;
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				reg = <0>;
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			};
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		};
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		psc@2200 {		// PSC2
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			status = "disabled";
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		};
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		psc@2400 {		// PSC3
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			status = "disabled";
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		};
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		psc@2600 {		// PSC4
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			compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
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		};
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		psc@2800 {		// PSC5
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			compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
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		};
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		psc@2c00 {		// PSC6
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			status = "disabled";
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		};
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		ethernet@3000 {
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			phy-handle = <&phy0>;
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		};
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		mdio@3000 {
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			phy0: ethernet-phy@0 {
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				reg = <0>;
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			};
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		};
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	};
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	localbus {
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		ranges = <0 0 0xff000000 0x01000000
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			  3 0 0xe3000000 0x00100000>;
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		// flash device at LocalPlus Bus CS0
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		flash@0,0 {
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			compatible = "cfi-flash";
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			reg = <0 0 0x01000000>;
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			bank-width = <1>;
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			device-width = <2>;
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			#size-cells = <1>;
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			#address-cells = <1>;
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			no-unaligned-direct-access;
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			/* common layout for all machines */
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			partition@0 {
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				label = "u-boot";
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				reg = <0x00000000 0x00040000>;
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				read-only;
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			};
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			partition@40000 {
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				label = "env";
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				reg = <0x00040000 0x00020000>;
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				read-only;
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			};
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		};
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		csi@3,0 {
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			compatible = "ifm,o2d-csi";
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			reg = <3 0 0x00100000>;
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			ifm,csi-clk-handle = <&gpt7>;
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			gpios = <&gpio_simple 23 0	/* imag_capture */
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				 &gpio_simple 26 0	/* imag_reset */
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				 &gpio_simple 29 0>;	/* imag_master_en */
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			interrupts = <1 1 2>;		/* IRQ1, edge falling */
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			ifm,csi-addr-bus-width = <24>;
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			ifm,csi-data-bus-width = <8>;
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			ifm,csi-wait-cycles = <0>;
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		};
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	};
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};
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