linux-kernel - Re: [PATCH 1/2] ARM: dts: sun8i: Add dts file for inet-d978

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Date:   Wed, 24 Aug 2016 21:32:35 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Russell King <linux@...linux.org.uk>, Chen-Yu Tsai <wens@...e.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: sun8i: Add dts file for inet-d978_rev2
 tablets

Hi,

On Tue, Aug 23, 2016 at 02:44:50PM +0800, Icenowy Zheng wrote:
> The inet-d978_rev2 is a pcb used in generic A33 based tablets. It features
> volume buttons, micro-usb otg, headphone connector and a power button.
> 
> On the board a Realtek RTL8723BS SDIO Wi-Fi module are soldered, and there
> is also a accompanied board which has a Goodix GT9271 soldered.
> 
> As this board is desired to create tablets with a Home key dealed by
> GT9271, a LED is present at the front panel at the position of the
> Home key.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
> ---
>  arch/arm/boot/dts/Makefile                     |  1 +
>  arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts | 87 ++++++++++++++++++++++++++
>  2 files changed, 88 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index faacd52..d1812a0 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -782,6 +782,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
>  	sun8i-a23-q8-tablet.dtb \
>  	sun8i-a33-et-q8-v1.6.dtb \
>  	sun8i-a33-ga10h-v1.1.dtb \
> +	sun8i-a33-inet-d978-rev2.dtb \
>  	sun8i-a33-ippo-q8h-v1.2.dtb \
>  	sun8i-a33-q8-tablet.dtb \
>  	sun8i-a33-sinlinx-sina33.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
> new file mode 100644
> index 0000000..78823d8
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts
> @@ -0,0 +1,87 @@
> +/*
> + * Copyright 2015 Hans de Goede <hdegoede@...hat.com>

I guess you are the author too :)

> + *
> + * 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 "sun8i-a33.dtsi"
> +#include "sun8i-reference-design-tablet.dtsi"
> +
> +/ {
> +	model = "INet-D978 Rev 02";
> +	compatible = "primux,inet-d978-rev2", "allwinner,sun8i-a33";
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&led_pin_d978>;
> +
> +		home {
> +			label = "d978:home";

This is not the proper format for the led labels.

It's supposed to be <board>:<color>:<function>

> +			gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
> +		};
> +	};
> +};
> +
> +&mmc1_pins_a {
> +	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> +};
> +
> +&mmc1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc1_pins_a>;
> +	vmmc-supply = <&reg_dldo1>;
> +	bus-width = <4>;
> +	non-removable;
> +	status = "okay";
> +
> +	rtl8723bs: sdio_wifi@1 {
> +		reg = <1>;
> +	};

Don't you need an alias to this node to have the MAC address set?

Thanks,
Maxime

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

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