From mboxrd@z Thu Jan 1 00:00:00 1970 From: Icenowy Zheng Subject: Re: [PATCH v3 -next 2/2] ARM: dts: sunxi: add support for Orange Pi Zero board Date: Sat, 03 Dec 2016 21:24:19 +0800 Message-ID: <20161203162455.OlDm27ch@smtp3m.mail.yandex.net> Reply-To: icenowy-ymACFijhrKM@public.gmane.org Mime-Version: 1.0 Content-Type: text/html; charset=UTF-8 Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Jernej Skrabec Cc: linux-sunxi , arnd-r2nGTMty4D4@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, vishnupatekar0510-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, andre.przywara-5wv7dgnIgG8@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org List-Id: devicetree@vger.kernel.org


2016年12月3日 下午5:43于 Jernej Skrabec <jernej.skrabec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>写道：
>
> Hi,
>
> Dne petek, 02. december 2016 17.42.04 UTC+1 je oseba Chen-Yu Tsai napisala:
>>
>> Hi,
>>
>> On Fri, Dec 2, 2016 at 11:05 PM, Icenowy Zheng <ice...-ymACFijhrKM@public.gmane.org> wrote:
>> > Orange Pi Zero is a board that came with the new Allwinner H2+ SoC and a
>> > SDIO Wi-Fi chip by Allwinner (XR819).
>> >
>> > Add a device tree file for it.
>> >
>> > Signed-off-by: Icenowy Zheng <ice...-ymACFijhrKM@public.gmane.org>
>> > ---
>> > Changes since v2:
>> > - Merged SDIO Wi-Fi patch into it.
>> > - SDIO Wi-Fi: add a ethernet1 alias to it, as it has no internal NVRAM.
>> > - SDIO Wi-Fi: changed pinctrl binding to generic pinconf
>> > - removed all gpio pinctrl nodes
>> > - changed h2plus to h2-plus
>> > Changes since v1:
>> > - Convert to generic pinconf bindings.
>> > - SDIO Wi-Fi: add patch.
>> >
>> > Some notes:
>> > - The uart1 and uart2 is available on the unsoldered gpio header.
>> > - The onboard USB connector has its Vbus directly connected to DCIN-5V (the
>> >   power jack)
>> >
>> >  arch/arm/boot/dts/Makefile                        |   1 +
>> >  arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 159 ++++++++++++++++++++++
>> >  2 files changed, 160 insertions(+)
>> >  create mode 100644 arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
>> >
>> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> > index 6447abc..59f6e86 100644
>> > --- a/arch/arm/boot/dts/Makefile
>> > +++ b/arch/arm/boot/dts/Makefile
>> > @@ -844,6 +844,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
>> >         sun8i-a33-sinlinx-sina33.dtb \
>> >         sun8i-a83t-allwinner-h8homlet-v2.dtb \
>> >         sun8i-a83t-cubietruck-plus.dtb \
>> > +       sun8i-h2-plus-orangepi-zero.dtb \
>> >         sun8i-h3-bananapi-m2-plus.dtb \
>> >         sun8i-h3-nanopi-neo.dtb \
>> >         sun8i-h3-orangepi-2.dtb \
>> > diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
>> > new file mode 100644
>> > index 0000000..d18807f
>> > --- /dev/null
>> > +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
>> > @@ -0,0 +1,159 @@
>> > +/*
>> > + * Copyright (C) 2016 Icenowy Zheng <ice...-ymACFijhrKM@public.gmane.org>
>> > + *
>> > + * Based on sun8i-h3-orangepi-one.dts, which is:
>> > + *   Copyright (C) 2016 Hans de Goede <hdeg...-H+wXaHxf7aLQT0dZR+AlfA@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.
>> > + */
>> > +
>> > +/dts-v1/;
>> > +#include "sun8i-h3.dtsi"
>> > +#include "sunxi-common-regulators.dtsi"
>> > +
>> > +#include <dt-bindings/gpio/gpio.h>
>> > +#include <dt-bindings/input/input.h>
>> > +#include <dt-bindings/pinctrl/sun4i-a10.h>
>> > +
>> > +/ {
>> > +       model = "Xunlong Orange Pi Zero";
>> > +       compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
>> > +
>> > +       aliases {
>> > +               serial0 = &uart0;
>> > +               /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
>> > +               ethernet1 = &xr819;
>> > +       };
>> > +
>> > +       chosen {
>> > +               stdout-path = "serial0:115200n8";
>> > +       };
>> > +
>> > +       leds {
>> > +               compatible = "gpio-leds";
>> > +
>> > +               pwr_led {
>> > +                       label = "orangepi:green:pwr";
>> > +                       gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
>> > +                       default-state = "on";
>> > +               };
>> > +
>> > +               status_led {
>> > +                       label = "orangepi:red:status";
>> > +                       gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
>> > +               };
>> > +       };
>> > +
>> > +       reg_vcc_wifi: reg_vcc_wifi {
>> > +               compatible = "regulator-fixed";
>> > +               regulator-min-microvolt = <3300000>;
>> > +               regulator-max-microvolt = <3300000>;
>> > +               regulator-name = "vcc-wifi";
>> > +               enable-active-high;
>> > +               gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
>> > +       };
>> > +
>> > +       wifi_pwrseq: wifi_pwrseq {
>> > +               compatible = "mmc-pwrseq-simple";
>> > +               reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
>> > +       };
>> > +};
>> > +
>> > +&ehci1 {
>> > +       status = "okay";
>> > +};
>> > +
>> > +&mmc0 {
>> > +       pinctrl-names = "default";
>> > +       pinctrl-0 = <&mmc0_pins_a>;
>> > +       vmmc-supply = <&reg_vcc3v3>;
>> > +       bus-width = <4>;
>> > +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
>> > +       cd-inverted;
>> > +       status = "okay";
>> > +};
>> > +
>> > +&mmc1 {
>> > +       pinctrl-names = "default";
>> > +       pinctrl-0 = <&mmc1_pins_a>;
>> > +       vmmc-supply = <&reg_vcc_wifi>;
>> > +       mmc-pwrseq = <&wifi_pwrseq>;
>> > +       bus-width = <4>;
>> > +       non-removable;
>> > +       status = "okay";
>> > +
>> > +       /*
>> > +        * Explicitly define the sdio device, so that we can add an ethernet
>> > +        * alias for it (which e.g. makes u-boot set a mac-address).
>> > +        */
>> > +       xr819: sdio_wifi@1 {
>> > +               reg = <1>;
>> > +       };
>> > +};
>> > +
>> > +&mmc1_pins_a {
>> > +       bias-pull-up;
>>
>> This is already set in h3.dtsi
>>
>> > +};
>> > +
>> > +&ohci1 {
>> > +       status = "okay";
>> > +};
>> > +
>> > +&uart0 {
>> > +       pinctrl-names = "default";
>> > +       pinctrl-0 = <&uart0_pins_a>;
>> > +       status = "okay";
>> > +};
>> > +
>> > +&uart1 {
>> > +       pinctrl-names = "default";
>> > +       pinctrl-0 = <&uart1_pins>;
>> > +       status = "disabled";
>> > +};
>> > +
>> > +&uart2 {
>> > +       pinctrl-names = "default";
>> > +       pinctrl-0 = <&uart2_pins>;
>> > +       status = "disabled";
>> > +};
>> > +
>> > +&usbphy {
>> > +       /* USB VBUS is always on */
>>
>> I think this comment could use a little work.
>>
>> AFAIK this board doesn't have an actual USB port.
>> It's just the D+/D- pins on the pin header, along
>> with the board-wide 5V, also on the pin header.
>
>
> How is addon board handled then? It has two USBs,
> IR, audio, mic and probably also TV out. I can't see
> any obvious way how to detect that the addon board
> is plugged in from the image.

It cannot be detected.

However, the pins on it are nearly all not muxed (maybe except IR).

>
> https://www.aliexpress.com/item/New-Orange-Pi-Zreo-Expansion-board-Interface-board-Development-board-beyond-Raspberry-Pi/32770665186.html
>
> Best regards,
> Jernej Škrabec
>  
>>
>>
>> ChenYu
>>
>> > +       status = "okay";
>> > +};
>> > --
>> > 2.10.2
>> >
>> > --
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