Re: [PATCH 3/3] ARM: dts: sun8i: add device tree for Lichee Pi Zero with Dock

Maxime Ripard
2017-03-22T19:24:14Z

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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 <icenowy-ymACFijhrKM@public.gmane.org>
> ---
> 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 <icenowy-ymACFijhrKM@public.gmane.org>
> + *
> + * 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?

> +&mmc1 {
> + pinctrl-0 = <&mmc1_pins>;
> + pinctrl-names = "default";
> + broken-cd;

There's no card-detect on a GPIO?

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering