[PATCH v3 -next 2/2] ARM: dts: sunxi: add support for Orange Pi Zero board

[Alexey Kardashevskiy]

On 06/12/16 18:43, Icenowy Zheng wrote:
> 
> 2016年12月6日 09:51于 Alexey Kardashevskiy <aik at ozlabs.ru>写道：
>>
>> On 03/12/16 02:05, Icenowy Zheng 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 <icenowy at aosc.xyz> 
>>> --- 
>>> 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 <icenowy at aosc.xyz> 
>>> + * 
>>> + * Based on sun8i-h3-orangepi-one.dts, which is: 
>>> + *   Copyright (C) 2016 Hans de Goede <hdegoede at redhat.com> 
>>> + * 
>>> + * 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 */ 
>>
>>
>> It is not defined there as for: 
>>
>> cef87e9 (tag: next-20161205) 20 hours ago Stephen Rothwell Add linux-next 
>> specific files for 20161205 
> 
> The driver of H3's obfuscated DesignWare MAC is not yet mainlined, so there won't be one ethernet0 now.
> 
> But it's reserved for the onboard Ethernet.


Could you please elaborate how you tested this patch (ideally some tree
somewhere on github)? This patch added RX819, it assumes EMAC support is
there, neither is there nor there is a way to test this... Thanks.


> 
>>
>>
>>
>>
>>
>>> + 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 at 1 { 
>>> + reg = <1>; 
>>> + }; 
>>> +}; 
>>> + 
>>> +&mmc1_pins_a { 
>>> + bias-pull-up; 
>>> +}; 
>>> + 
>>> +&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 */ 
>>> + status = "okay"; 
>>> +}; 
>>>
>>
>>
>> -- 
>> Alexey 


-- 
Alexey