Message-ID: <4559383.EsY2O1vJ7P@phil>
Date:   Fri, 17 Mar 2017 09:45:52 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     陈亮 <cl@...k-chips.com>
Cc:     Andre Przywara <andre.przywara@....com>, mark.rutland@....com,
        wsa@...-dreams.de, linux-iio@...r.kernel.org,
        catalin.marinas@....com, shawn.lin@...k-chips.com,
        will.deacon@....com, kever.yang@...k-chips.com,
        dianders@...omium.org, yamada.masahiro@...ionext.com,
        tony.xie@...k-chips.com, linux-i2c@...r.kernel.org,
        pmeerw@...erw.net, lars@...afoo.de, zhengxing@...k-chips.com,
        khilman@...libre.com, linux-rockchip@...ts.infradead.org,
        jay.xu@...k-chips.com, wxt@...k-chips.com, huangtao@...k-chips.com,
        devicetree@...r.kernel.org, zhangqing@...k-chips.com,
        paweljarosz3691@...il.com, arnd@...db.de, yhx@...k-chips.com,
        knaack.h@....de, robh+dt@...nel.org, matthias.bgg@...il.com,
        rocky.hao@...k-chips.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, david.wu@...k-chips.com,
        fabio.estevam@....com, andy.yan@...k-chips.com,
        akpm@...ux-foundation.org, shawnguo@...nel.org, afaerber@...e.de,
        jic23@...nel.org
Subject: Re: [PATCH v1 6/7] arm64: dts: rockchip: add dts file for RK3328 evaluation board

Am Freitag, 17. März 2017, 10:26:13 CET schrieb 陈亮:
> 在 2017年03月17日 00:18, Andre Przywara 写道:
> > Hi Chen,
> > 
> > On 16/03/17 01:45, cl@...k-chips.com wrote:
> >> From: Chen Liang <cl@...k-chips.com>
> >> 
> >> This patch add rk3328-evb.dts for RK3328 evaluation board.
> >> Tested on RK3328 evb.
> >> 
> >> Signed-off-by: Chen Liang <cl@...k-chips.com>
> >> ---
> >> 
> >>   arch/arm64/boot/dts/rockchip/Makefile       |  1 +
> >>   arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 57
> >>   +++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+)
> >>   create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-evb.dts
> >> 
> >> diff --git a/arch/arm64/boot/dts/rockchip/Makefile
> >> b/arch/arm64/boot/dts/rockchip/Makefile index 3a86289..853fc7d 100644
> >> --- a/arch/arm64/boot/dts/rockchip/Makefile
> >> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> >> @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
> >> 
> >>   dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-px5-evb.dtb
> >>   dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb
> >>   dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-evb.dtb
> >> 
> >> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
> >> 
> >>   always		:= $(dtb-y)
> >>   subdir-y	:= $(dts-dirs)
> >> 
> >> diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
> >> b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts new file mode 100644
> >> index 0000000..cf27239
> >> --- /dev/null
> >> +++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
> >> @@ -0,0 +1,57 @@
> >> +/*
> >> + * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd
> >> + *
> >> + * 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 library 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 library 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 "rk3328.dtsi"
> >> +
> >> +/ {
> >> +	model = "Rockchip RK3328 EVB";
> >> +	compatible = "rockchip,rk3328-evb", "rockchip,rk3328";
> >> +
> >> +	chosen {
> >> +		stdout-path = "serial2:1500000n8";
> > 
> > Is that really 1.5MBit/s?
> 
> Yes, the RK3328 EVB board use 1.5MBit/s baud rate.
> 
> >> +	};
> >> +};
> >> +
> >> +&uart2 {
> >> +	status = "okay";
> >> +};
> > 
> > I don't have the board, but would expect to see more peripherals
> > mentioned in the .dtsi enabled here.
> > For sure the board has an (micro)SD card slot, possibly even Ethernet?
> 
> The codes for other peripherals are not ready now for new kernel, so i
> push a base dtsi, and other configration will be pushed later if it is ok.

for me that approach is fine in general, but here, you could enable at least 
the watchdog as well?

But no need to resend just now, I still need to look at the big dtsi.


Heiko

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