[PATCH 2/2] arm: dts: zynq: Extract common Digilent Zybo board support

Nobuhiro Iwamatsu nobuhiro.iwamatsu at cybertrust.co.jp
Tue Feb 27 17:49:37 PST 2018


Hi, Michal.

Thanks for your review.

On Tue, 27 Feb 2018 13:54:40 +0100
Michal Simek <michal.simek at xilinx.com> wrote:

> On 26.2.2018 01:59, Nobuhiro Iwamatsu wrote:
> > The Digilent Zybo and Zybo Z7 boards are very similar.
> > To avoid duplication, this extract common board parts into own dtsi
> > file.
> > 
> > Signed-off-by: Nobuhiro Iwamatsu
> > <nobuhiro.iwamatsu at cybertrust.co.jp> ---
> >  arch/arm/boot/dts/zynq-zybo-common.dtsi | 58
> > +++++++++++++++++++++++++++++++++
> > arch/arm/boot/dts/zynq-zybo-z7.dts      | 45
> > ++----------------------- arch/arm/boot/dts/zynq-zybo.dts         |
> > 43 +----------------------- 3 files changed, 61 insertions(+), 85
> > deletions(-) create mode 100644
> > arch/arm/boot/dts/zynq-zybo-common.dtsi
> > 
> > diff --git a/arch/arm/boot/dts/zynq-zybo-common.dtsi
> > b/arch/arm/boot/dts/zynq-zybo-common.dtsi new file mode 100644
> > index 000000000000..9c9a92d59cc7
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/zynq-zybo-common.dtsi
> > @@ -0,0 +1,58 @@
> > +/*
> > + *  Copyright (C) 2011 - 2014 Xilinx
> > + *  Copyright (C) 2012 National Instruments Corp.
> > + *
> > + * This software is licensed under the terms of the GNU General
> > Public
> > + * License version 2, as published by the Free Software
> > Foundation, and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * This program 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.
> > + */
> > +/dts-v1/;
> > +#include "zynq-7000.dtsi"
> > +
> > +/ {
> > +	aliases {
> > +		ethernet0 = &gem0;
> > +		serial0 = &uart1;
> > +	};
> > +
> > +	memory at 0 {
> > +		device_type = "memory";
> > +		reg = <0x0 0x20000000>;
> > +	};
> > +
> > +	usb_phy0: phy0 {
> > +		#phy-cells = <0>;
> > +		compatible = "usb-nop-xceiv";
> > +		reset-gpios = <&gpio0 46 1>;
> > +	};
> > +};
> > +
> > +&gem0 {
> > +	status = "okay";
> > +	phy-mode = "rgmii-id";
> > +	phy-handle = <&ethernet_phy>;
> > +
> > +	ethernet_phy: ethernet-phy at 0 {
> > +		reg = <0>;
> > +		device_type = "ethernet-phy";
> > +	};
> > +};
> > +
> > +&sdhci0 {
> > +	status = "okay";
> > +};
> > +
> > +&uart1 {
> > +	status = "okay";
> > +};
> > +
> > +&usb0 {
> > +	status = "okay";
> > +	dr_mode = "host";
> > +	usb-phy = <&usb_phy0>;
> > +};
> > diff --git a/arch/arm/boot/dts/zynq-zybo-z7.dts
> > b/arch/arm/boot/dts/zynq-zybo-z7.dts index
> > 97e487913f8f..bd94147792cd 100644 ---
> > a/arch/arm/boot/dts/zynq-zybo-z7.dts +++
> > b/arch/arm/boot/dts/zynq-zybo-z7.dts @@ -7,59 +7,18 @@
> >   *  SPDX-License-Identifier:	GPL-2.0+
> >   */
> >  /dts-v1/;
> > -#include "zynq-7000.dtsi"
> > +#include "zynq-zybo-common.dtsi"
> >  
> >  / {
> > -	model = "Zynq ZYBO Z7 Development Board";
> > +	model = "Zynq Zybo Z7 Development Board";
> >  	compatible = "digilent,zynq-zybo-z7", "xlnx,zynq-7000";
> >  
> > -	aliases {
> > -		ethernet0 = &gem0;
> > -		serial0 = &uart1;
> > -	};
> > -
> > -	memory {
> > -		device_type = "memory";
> > -		reg = <0x0 0x20000000>;
> > -	};
> > -
> >  	chosen {
> >  		bootargs = "";
> >  		stdout-path = "serial0:115200n8";
> >  	};
> > -
> > -	usb_phy0: phy0 {
> > -		#phy-cells = <0>;
> > -		compatible = "usb-nop-xceiv";
> > -		reset-gpios = <&gpio0 46 1>;
> > -	};
> >  };
> >  
> >  &clkc {
> >  	ps-clk-frequency = <33333333>;
> >  };
> > -
> > -&gem0 {
> > -	status = "okay";
> > -	phy-mode = "rgmii-id";
> > -	phy-handle = <&ethernet_phy>;
> > -
> > -	ethernet_phy: ethernet-phy at 0 {
> > -		reg = <0>;
> > -		device_type = "ethernet-phy";
> > -	};
> > -};
> > -
> > -&sdhci0 {
> > -	status = "okay";
> > -};
> > -
> > -&uart1 {
> > -	status = "okay";
> > -};
> > -
> > -&usb0 {
> > -	status = "okay";
> > -	dr_mode = "host";
> > -	usb-phy = <&usb_phy0>;
> > -};
> > diff --git a/arch/arm/boot/dts/zynq-zybo.dts
> > b/arch/arm/boot/dts/zynq-zybo.dts index e40cafc5ee5b..920294f41aff
> > 100644 --- a/arch/arm/boot/dts/zynq-zybo.dts
> > +++ b/arch/arm/boot/dts/zynq-zybo.dts
> > @@ -12,59 +12,18 @@
> >   * GNU General Public License for more details.
> >   */
> >  /dts-v1/;
> > -#include "zynq-7000.dtsi"
> > +#include "zynq-zybo-common.dtsi"
> >  
> >  / {
> >  	model = "Zynq ZYBO Development Board";
> >  	compatible = "digilent,zynq-zybo", "xlnx,zynq-7000";
> >  
> > -	aliases {
> > -		ethernet0 = &gem0;
> > -		serial0 = &uart1;
> > -	};
> > -
> > -	memory at 0 {
> > -		device_type = "memory";
> > -		reg = <0x0 0x20000000>;
> > -	};
> > -
> >  	chosen {
> >  		bootargs = "";
> >  		stdout-path = "serial0:115200n8";
> >  	};
> > -
> > -	usb_phy0: phy0 {
> > -		#phy-cells = <0>;
> > -		compatible = "usb-nop-xceiv";
> > -		reset-gpios = <&gpio0 46 1>;
> > -	};
> >  };
> >  
> >  &clkc {
> >  	ps-clk-frequency = <50000000>;
> >  };
> > -
> > -&gem0 {
> > -	status = "okay";
> > -	phy-mode = "rgmii-id";
> > -	phy-handle = <&ethernet_phy>;
> > -
> > -	ethernet_phy: ethernet-phy at 0 {
> > -		reg = <0>;
> > -		device_type = "ethernet-phy";
> > -	};
> > -};
> > -
> > -&sdhci0 {
> > -	status = "okay";
> > -};
> > -
> > -&uart1 {
> > -	status = "okay";
> > -};
> > -
> > -&usb0 {
> > -	status = "okay";
> > -	dr_mode = "host";
> > -	usb-phy = <&usb_phy0>;
> > -};
> >   
> 
> TBH: I wouldn't bother with this. It is not huge duplication anyway.
> If that file is huge that not a problem with it but it is pretty small
> that's why I can't see a reason for it.
> 

OK. I withdraw this patch.

> M
> 
> 

Best regards,
  Nobuhiro



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