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Commit 470e891b authored by Rodolfo Giometti's avatar Rodolfo Giometti Committed by Nicolas Ferre
Browse files

ARM: at91: add support for Cosino board series by HCE Engineering 

This patch adds the Cosino at91sam9g35 based CPU module and the
Cosino Mega 2560 extension board.

Web site: http://www.cosino.it



Signed-off-by: default avatarRodolfo Giometti <giometti@linux.it>
[plagnioj@jcrosoft.com: added "at91-" to files, pinctrl fixed, removed unneeded stuff]
Acked-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
[nicolas.ferre@atmel.com: adapted to newer kernel, modified commit message]
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 9860c515

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb 
dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb

# sam9x5

dtb-$(CONFIG_ARCH_AT91) += at91-ariag25.dtb

dtb-$(CONFIG_ARCH_AT91) += at91-cosino_mega2560.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g15ek.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb

dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb

arch/arm/boot/dts/at91-cosino.dtsi

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+122 −0
Original line number Diff line number Diff line 
/*

 * 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>;

		};

	};



	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-clock-rate = <1000000>;

				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>;

			};

		};

	};

};

arch/arm/boot/dts/at91-cosino_mega2560.dts

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Original line number Diff line number Diff line 
/*

 * at91-cosino_mega2560.dts - Device Tree file for Cosino board with

 *			      Mega 2560 extension

 *

 * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>

 *			HCE Engineering

 *

 * Derived from at91sam9g35ek.dts by:

 * 	Copyright (C) 2012 Atmel,

 *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>

 *

 * Licensed under GPLv2 or later.

 */



/dts-v1/;

#include "at91-cosino.dtsi"



/ {

	model = "HCE Cosino Mega 2560";

	compatible = "hce,cosino_mega2560", "atmel,at91sam9x5", "atmel,at91sam9";



	ahb {

		apb {

			macb0: ethernet@f802c000 {

				phy-mode = "rmii";

				status = "okay";

			};



			adc0: adc@f804c000 {

				atmel,adc-clock-rate = <1000000>;

				atmel,adc-ts-wires = <4>;

				atmel,adc-ts-pressure-threshold = <10000>;

				status = "okay";

			};





			tsadcc: tsadcc@f804c000 {

				status = "okay";

			};



			rtc@fffffeb0 {

				status = "okay";

			};



			usart1: serial@f8020000 {

				status = "okay";

			};



			usart2: serial@f8024000 {

				status = "okay";

			};



			usb2: gadget@f803c000 {

				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;

				status = "okay";

			};



			mmc1: mmc@f000c000 {

				pinctrl-0 = <

					&pinctrl_mmc1_slot0_clk_cmd_dat0

					&pinctrl_mmc1_slot0_dat1_3>;

				status = "okay";

				slot@0 {

					reg = <0>;

					bus-width = <4>;

					non-removable;

				};

			};

		};



		usb0: ohci@00600000 {

			status = "okay";

			num-ports = <3>;

			atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW */

					   &pioD 19 GPIO_ACTIVE_LOW

					   &pioD 20 GPIO_ACTIVE_LOW

					  >;

		};



		usb1: ehci@00700000 {

			status = "okay";

		};

	};

};