[RFC PATCH v2] ARM: at91: add support for Cosino board series by HCE Engineering
Nicolas Ferre
nicolas.ferre at atmel.com
Thu Nov 21 03:24:17 EST 2013
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 <plagnioj at jcrosoft.com>
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 <plagnioj at jcrosoft.com>]
>> * Reference to at91sam9x5ek dropped.
>> * Inavlid mmc1 pinctrl-0 setting fixed
>>
>> V1 -> V2
>>
>> [Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>]
>> * 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 <giometti at linux.it>
>> 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 <giometti at linux.it>
>> [nicolas.ferre at atmel.com: adapted to newer kernel, modified commit message]
>> Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
>> ---
>> 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 <giometti at linux.it>
>> + * HCE Engineering
>> + *
>> + * Derived from at91sam9x5ek.dtsi by:
>> + * Copyright (C) 2012 Atmel,
>> + * 2012 Nicolas Ferre <nicolas.ferre at 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 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 <giometti at linux.it>
>> + * HCE Engineering
>> + *
>> + * Derived from at91sam9g35ek.dts by:
>> + * Copyright (C) 2012 Atmel,
>> + * 2012 Nicolas Ferre <nicolas.ferre at 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 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
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