[RFC PATCH v2] ARM: at91: add support for Cosino board series by HCE Engineering
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Nov 20 13:50:42 EST 2013
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-
otherwise
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Best Regards,
J.
>
> 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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