2017年3月23日 03:24于 Maxime Ripard <[email protected]>写道：
>
> On Fri, Mar 17, 2017 at 11:43:43PM +0800, Icenowy Zheng wrote:
> > Lichee Pi Zero features a dock, which adds some functions, and should be
> > soldered with the core board of Lichee Pi Zero.
> >
> > Add support for the dock as a new dts, as soldering is needed to make
> > the dock usable and there's functions enabled on the dock that is
> > unavailable at the 2.54mm pins of the core board.
> >
> > Signed-off-by: Icenowy Zheng <[email protected]>
> > ---
> > arch/arm/boot/dts/Makefile | 3 +-
> > arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts | 98
> >++++++++++++++++++++++
> > 2 files changed, 100 insertions(+), 1 deletion(-)
> > create mode 100644 arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
> >
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index 43c27b624f94..de52d403f818 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -878,7 +878,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
> > sun8i-h3-orangepi-plus.dtb \
> > sun8i-h3-orangepi-plus2e.dtb \
> > sun8i-r16-parrot.dtb \
> > - sun8i-v3s-licheepi-zero.dtb
> > + sun8i-v3s-licheepi-zero.dtb \
> > + sun8i-v3s-licheepi-zero-dock.dtb
> > dtb-$(CONFIG_MACH_SUN9I) += \
> > sun9i-a80-optimus.dtb \
> > sun9i-a80-cubieboard4.dtb
> > diff --git a/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
> > b/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
> > new file mode 100644
> > index 000000000000..956fa47fde53
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
> > @@ -0,0 +1,98 @@
> > +/*
> > + * Copyright (C) 2016 Icenowy Zheng <[email protected]>
> > + *
> > + * 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.
> > + */
> > +
> > +#include "sun8i-v3s-licheepi-zero.dts"
> > +
> > +#include <dt-bindings/input/input.h>
> > +
> > +/ {
> > + model = "Lichee Pi Zero with Dock";
> > + compatible = "licheepi,licheepi-zero-dock", "licheepi,licheepi-zero",
> > + "allwinner,sun8i-v3s";
> > +};
> > +
> > +&leds {
> > + /* The LEDs conflict with MMC1 slot */
>
> How does it conflicts?
They both use PGx.
>
> > +&mmc1 {
> > + pinctrl-0 = <&mmc1_pins>;
> > + pinctrl-names = "default";
> > + broken-cd;
>
> There's no card-detect on a GPIO?
Yes.
All SD slots on Lichee Pi series have no card-detect.
>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
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