On Sun, Mar 5, 2017 at 9:37 PM, Icenowy Zheng <icenowy@xxxxxxxx> 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@xxxxxxxx>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts | 67 ++++++++++++++++++++++
> 2 files changed, 69 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 011808490fed..1aa365306479 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -876,7 +876,8 @@ 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..0ce92dadc07b
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
> @@ -0,0 +1,67 @@
> +/*
> + * Copyright (C) 2016 Icenowy Zheng <icenowy@xxxxxxxx>
> + *
> + * 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"
> +
> +/ {
> + model = "Lichee Pi Zero with Dock";
> + compatible = "licheepi,licheepi-zero-dock", "licheepi,licheepi-zero",
> + "allwinner,sun8i-v3s";
> +};
> +
> +&codec {
> + allwinner,audio-routing =
> + "Headphone", "HP",
> + "Headphone", "HPCOM",
Can you confirm HPCOM is indeed connected or is needed? This models how
the audio output is coupled to the headphone, AC or DC.
Easy way to check is if you get no sound without this, then it is likely
DC coupled, in which the return path is through HPCOM, and not GND.
Regards
ChenYu
> + "MIC1", "Mic",
> + "Mic", "HBIAS";
> + status = "okay";
> +};
> +
> +&mmc1 {
> + pinctrl-0 = <&mmc1_pins>;
> + pinctrl-names = "default";
> + broken-cd;
> + bus-width = <4>;
> + vmmc-supply = <®_vcc3v3>;
> + status = "okay";
> +};
> --
> 2.11.1
>
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