Subject: [RFC PATCH v2] ARM: at91: add support for Cosino board series by HCE Engineering

From: [email-masked] (Nicolas Ferre)
Date: Thu, 21 Nov 2013 09:24:17 +0100

On 20/11/2013 19:50, Jean-Christophe PLAGNIOL-VILLARD :
> On 19:18 Wed 20 Nov     , Rodolfo Giometti wrote:
>> On Fri, Nov 15, 2013 at 02:52:56PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
>>>>>> +#include "at91sam9g35.dtsi"
>>>>>> +
>>>>>> +/ {
>>>>>> +	model = "HCE Cosino core module";
>>>>>> +	compatible = "hce,cosino", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
>>>>> is this really sam9xek compatible?
>>>>
>>>> Well, the board is derived from ATMEL dev board... maybe I can remove
>>>> these lines... :-/
>>>
>>> compatible means you board is an extension and that the kernel + dtb will run
>>> on both without modification
>
> this time look ok a small issue the file in the comment is missing the at91-

No wories, I fixed this while integrating the patch in at91-3.14-dt branch.

>
> otherwise
>
> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <[email-masked]>

Thanks, bye.

>> Ok, at91sam9x5ek dropped.
>>
>>>> +
>>>> +			mmc1: mmc at f000c000 {
>>>> +				pinctrl-0 = <
>>>> +					&pinctrl_board_mmc0
>>> this will failled you can not have the same pux on 2 device
>>
>> Fixed.
>>
>> Attached a new patch version (V3).
>>
>> ### Changelog
>>
>> V2 -> V3
>>
>> [Jean-Christophe PLAGNIOL-VILLARD <[email-masked]>]
>> * Reference to at91sam9x5ek dropped.
>> * Inavlid mmc1 pinctrl-0 setting fixed
>>
>> V1 -> V2
>>
>> [Jean-Christophe PLAGNIOL-VILLARD <[email-masked]>]
>> * prefix "at91-" added
>> * atmel,mux-mask stuff removed
>> * "compatible" stuff is now on the same line for easy-grep(TM)
>> * lcd binding dropped
>>
>> Ciao,
>>
>> Rodolfo
>>
>> --
>>
>> GNU/Linux Solutions                  e-mail: giometti at enneenne.com
>> Linux Device Driver                          giometti at linux.it
>> Embedded Systems                     phone:  +39 349 2432127
>> UNIX programming                     skype:  rodolfo.giometti
>> Freelance ICT Italia - Consulente ICT Italia - www.consulenti-ict.it
>
>>  From 16882a9f85faa21bcd7102894b7829eb4d77f97d Mon Sep 17 00:00:00 2001
>> From: Rodolfo Giometti <[email-masked]>
>> Date: Wed, 6 Nov 2013 16:31:50 +0100
>> Subject: [PATCH] arm mach-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: Rodolfo Giometti <[email-masked]>
>> [nicolas.ferre at atmel.com: adapted to newer kernel, modified commit message]
>> Signed-off-by: Nicolas Ferre <[email-masked]>
>> ---
>>   arch/arm/boot/dts/Makefile                 |   1 +
>>   arch/arm/boot/dts/at91-cosino.dtsi         | 121 +++++++++++++++++++++++++++++
>>   arch/arm/boot/dts/at91-cosino_mega2560.dts |  84 ++++++++++++++++++++
>>   3 files changed, 206 insertions(+)
>>   create mode 100644 arch/arm/boot/dts/at91-cosino.dtsi
>>   create mode 100644 arch/arm/boot/dts/at91-cosino_mega2560.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index ab6a9f5..b05f5e6 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -35,6 +35,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb
>>   dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb
>>   dtb-$(CONFIG_ARCH_AT91) += at91sam9x25ek.dtb
>>   dtb-$(CONFIG_ARCH_AT91) += at91sam9x35ek.dtb
>> +dtb-$(CONFIG_ARCH_AT91) += at91-cosino_mega2560.dtb
>>   # sama5d3
>>   dtb-$(CONFIG_ARCH_AT91)	+= sama5d31ek.dtb
>>   dtb-$(CONFIG_ARCH_AT91)	+= sama5d33ek.dtb
>> diff --git a/arch/arm/boot/dts/at91-cosino.dtsi b/arch/arm/boot/dts/at91-cosino.dtsi
>> new file mode 100644
>> index 0000000..00e2112
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/at91-cosino.dtsi
>> @@ -0,0 +1,121 @@
>> +/*
>> + * cosino.dtsi - Device Tree file for Cosino core module
>> + *
>> + * Copyright (C) 2013 - Rodolfo Giometti <[email-masked]>
>> + *			HCE Engineering
>> + *
>> + * Derived from at91sam9x5ek.dtsi by:
>> + *	Copyright (C) 2012 Atmel,
>> + *	2012 Nicolas Ferre <[email-masked]>
>> + *
>> + * 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 at 0 {
>> +			compatible = "atmel,osc", "fixed-clock";
>> +			clock-frequency = <12000000>;
>> +		};
>> +	};
>> +
>> +	ahb {
>> +		apb {
>> +			mmc0: mmc at f0008000 {
>> +				pinctrl-0 = <
>> +					&pinctrl_board_mmc0
>> +					&pinctrl_mmc0_slot0_clk_cmd_dat0
>> +					&pinctrl_mmc0_slot0_dat1_3>;
>> +				status = "okay";
>> +				slot at 0 {
>> +					reg = <0>;
>> +					bus-width = <4>;
>> +					cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
>> +				};
>> +			};
>> +
>> +			dbgu: serial at fffff200 {
>> +				status = "okay";
>> +			};
>> +
>> +			usart0: serial at f801c000 {
>> +				status = "okay";
>> +			};
>> +
>> +			i2c0: i2c at f8010000 {
>> +				status = "okay";
>> +			};
>> +
>> +			adc0: adc at f804c000 {
>> +				atmel,adc-clock-rate = <1000000>;
>> +				atmel,adc-ts-wires = <4>;
>> +				atmel,adc-ts-pressure-threshold = <10000>;
>> +				status = "okay";
>> +			};
>> +
>> +			pinctrl at 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 at fffffe40 {
>> +				status = "okay";
>> +			};
>> +		};
>> +
>> +		nand0: nand at 40000000 {
>> +			nand-bus-width = <8>;
>> +			nand-ecc-mode = "hw";
>> +			atmel,has-pmecc;	/* Enable PMECC */
>> +			atmel,pmecc-cap = <4>;
>> +			atmel,pmecc-sector-size = <512>;
>> +			status = "okay";
>> +
>> +			at91bootstrap at 0 {
>> +				label = "at91bootstrap";
>> +				reg = <0x0 0x40000>;
>> +			};
>> +
>> +			uboot at 40000 {
>> +				label = "u-boot";
>> +				reg = <0x40000 0x80000>;
>> +			};
>> +
>> +			ubootenv at c0000 {
>> +				label = "U-Boot Env";
>> +				reg = <0xc0000 0x140000>;
>> +			};
>> +
>> +			kernel at 200000 {
>> +				label = "kernel";
>> +				reg = <0x200000 0x600000>;
>> +			};
>> +
>> +			rootfs at 800000 {
>> +				label = "rootfs";
>> +				reg = <0x800000 0x0f800000>;
>> +			};
>> +		};
>> +	};
>> +};
>> diff --git a/arch/arm/boot/dts/at91-cosino_mega2560.dts b/arch/arm/boot/dts/at91-cosino_mega2560.dts
>> new file mode 100644
>> index 0000000..c29c53c
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/at91-cosino_mega2560.dts
>> @@ -0,0 +1,84 @@
>> +/*
>> + * cosino_mega2560.dts - Device Tree file for Cosino board with Mega 2560
>> + *			 extension
>> + *
>> + * Copyright (C) 2013 - Rodolfo Giometti <[email-masked]>
>> + *			HCE Engineering
>> + *
>> + * Derived from at91sam9g35ek.dts by:
>> + * 	Copyright (C) 2012 Atmel,
>> + *      2012 Nicolas Ferre <[email-masked]>
>> + *
>> + * 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 at f802c000 {
>> +				phy-mode = "rmii";
>> +				status = "okay";
>> +			};
>> +
>> +			adc0: adc at f804c000 {
>> +				atmel,adc-clock-rate = <1000000>;
>> +				atmel,adc-ts-wires = <4>;
>> +				atmel,adc-ts-pressure-threshold = <10000>;
>> +				status = "okay";
>> +			};
>> +
>> +
>> +			tsadcc: tsadcc at f804c000 {
>> +				status = "okay";
>> +			};
>> +
>> +			rtc at fffffeb0 {
>> +				status = "okay";
>> +			};
>> +
>> +			usart1: serial at f8020000 {
>> +				status = "okay";
>> +			};
>> +
>> +			usart2: serial at f8024000 {
>> +				status = "okay";
>> +			};
>> +
>> +			usb2: gadget at f803c000 {
>> +				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
>> +				status = "okay";
>> +			};
>> +
>> +			mmc1: mmc at f000c000 {
>> +				pinctrl-0 = <
>> +					&pinctrl_mmc1_slot0_clk_cmd_dat0
>> +					&pinctrl_mmc1_slot0_dat1_3>;
>> +				status = "okay";
>> +				slot at 0 {
>> +					reg = <0>;
>> +					bus-width = <4>;
>> +					non-removable;
>> +				};
>> +			};
>> +		};
>> +
>> +		usb0: ohci at 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 at 00700000 {
>> +			status = "okay";
>> +		};
>> +	};
>> +};
>> --
>> 1.8.1.2
>>
>
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>
>

-- 
Nicolas Ferre