Date:   Thu, 25 Aug 2016 09:35:55 +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" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ARM: dts: sun8i: Add dts file for inet-d978_rev2
 tablets

On Thu, Aug 25, 2016 at 07:57:33AM +0800, Icenowy Zheng wrote:
> 
> 
> 25.08.2016, 03:32, "Maxime Ripard" <maxime.ripard@...e-electrons.com>:
> > 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>
> 
> Thanks.
> So I'd use "d978:blue:home".
> 
> >
> >>  + 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?
> 
> It seems that rtl8723bs come with an eFUSE.

Ok, good to know.

Thanks!
Maxime

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

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