Date:	Mon, 20 Jul 2015 12:15:27 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Josef Gajdusek <atx@....name>
Cc:	devicetree@...r.kernel.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com
Subject: Re: [PATCH] ARM: dts: sun4i: Add Iteaduino Plus A10

Hi,

Thanks for your patch.

On Sun, Jul 19, 2015 at 03:45:03PM +0200, Josef Gajdusek wrote:
> Iteaduino Plus A10 is a breakout board + Itead Core A10.

Is there multiple breakout boards available for that module?

> It features 1GB RAM, has most of the A10 pins on a .1" header, 2 USB
> ports, 1 OTG USB port, Ethernet, HDMI, SATA, Speaker/Microphone
> 3.5mm jacks and an SD card slot.
> 
> Link to manufacturer wiki: http://wiki.iteadstudio.com/Iteaduino_Plus_A10/A20

Please don't put such links in the commit description. Valid URLs come
and go, the git history doesn't.

> Signed-off-by: Josef Gajdusek <atx@....name>
> ---
>  arch/arm/boot/dts/Makefile                     |   1 +
>  arch/arm/boot/dts/sun4i-a10-iteaduino-plus.dts | 202 +++++++++++++++++++++++++
>  2 files changed, 203 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun4i-a10-iteaduino-plus.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index adb1826..6104ed1 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -529,6 +529,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
>  	sun4i-a10-hackberry.dtb \
>  	sun4i-a10-hyundai-a7hd.dtb \
>  	sun4i-a10-inet97fv2.dtb \
> +	sun4i-a10-iteaduino-plus.dts \
>  	sun4i-a10-jesurun-q5.dtb \
>  	sun4i-a10-marsboard.dtb \
>  	sun4i-a10-mini-xplus.dtb \
> diff --git a/arch/arm/boot/dts/sun4i-a10-iteaduino-plus.dts b/arch/arm/boot/dts/sun4i-a10-iteaduino-plus.dts
> new file mode 100644
> index 0000000..985e155
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun4i-a10-iteaduino-plus.dts

we try to have a DT name that is
<family>-<soc>-<manufacturer>-<device>.dts

Which in this case would be sun4i-a10-itead-iteaduino-plus.dts

> @@ -0,0 +1,202 @@
> +/*
> + * Copyright 2015 Josef Gajdusek <atx@....name>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is free software; you can redistribute it and/or
> + *     modify it under the terms of the GNU General Public License as
> + *     published by the Free Software Foundation; either version 2 of the
> + *     License, or (at your option) any later version.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "sun4i-a10.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/sun4i-a10.h>
> +
> +/ {
> +	model = "Iteaduino Plus A10";
> +	compatible = "itead,iteaduino-plus-a10", "allwinner,sun4i-a10";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&ahci {
> +	target-supply = <&reg_ahci_5v>;
> +	status = "okay";
> +};
> +
> +&cpu0 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&ehci1 {
> +	status = "okay";
> +};
> +
> +&emac {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&emac_pins_a>;
> +	phy = <&phy1>;
> +	status = "okay";
> +};
> +
> +&emac_sram {
> +	status = "okay";
> +};
> +
> +&i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c0_pins_a>;
> +	status = "okay";
> +
> +	axp209: pmic@34 {
> +		reg = <0x34>;
> +		interrupts = <0>;
> +	};
> +};
> +
> +&i2c1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c1_pins_a>;
> +	status = "okay";
> +};
> +
> +&i2c2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c2_pins_a>;
> +	status = "okay";
> +};
> +
> +&ir0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&ir0_rx_pins_a>;
> +	status = "okay";
> +};
> +
> +&mdio {
> +	status = "okay";
> +
> +	phy1: ethernet-phy@1 {
> +		reg = <1>;
> +	};
> +};
> +
> +&mmc0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
> +	vmmc-supply = <&reg_vcc3v3>;
> +	bus-width = <4>;
> +	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
> +	cd-inverted;
> +	status = "okay";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&ohci1 {
> +	status = "okay";
> +};
> +
> +&reg_ahci_5v {
> +	status = "okay";
> +};
> +
> +#include "axp209.dtsi"
> +
> +&reg_dcdc2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1450000>;
> +	regulator-name = "vdd-cpu";
> +};
> +
> +&reg_dcdc3 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1400000>;
> +	regulator-name = "vdd-int-dll";
> +};
> +
> +&reg_ldo1 {
> +	regulator-name = "vdd-rtc";
> +};
> +
> +&reg_ldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <3000000>;
> +	regulator-max-microvolt = <3000000>;
> +	regulator-name = "avcc";
> +};
> +
> +&reg_usb1_vbus {
> +	status = "okay";
> +};
> +
> +&reg_usb2_vbus {
> +	status = "okay";
> +};
> +
> +&spi0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&spi0_pins_a>,
> +		    <&spi0_cs0_pins_a>;
> +	status = "okay";
> +};
> +
> +&uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pins_a>;
> +	status = "okay";
> +};
> +
> +&usbphy {
> +	usb1_vbus-supply = <&reg_usb1_vbus>;
> +	usb2_vbus-supply = <&reg_usb2_vbus>;
> +	status = "okay";
> +};

Looks good otherwise, thanks!

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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