[PATCH 1/2] arm: dts: zynq: Add Digilent Zybo Z7 board

Michal Simek michal.simek at xilinx.com
Tue Feb 27 05:02:24 PST 2018


On 26.2.2018 01:59, Nobuhiro Iwamatsu wrote:
> This add a DTS for the Digilent Zybo Z7 board.
> This board is the successor board of Zybo, these are almost the same except
> for ps-clk-frequency specifications.
> 
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu at cybertrust.co.jp>
> ---
>  arch/arm/boot/dts/Makefile         |  3 +-
>  arch/arm/boot/dts/zynq-zybo-z7.dts | 65 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 67 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/zynq-zybo-z7.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index ade7a38543dc..62605d600681 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1067,7 +1067,8 @@ dtb-$(CONFIG_ARCH_ZYNQ) += \
>  	zynq-zc702.dtb \
>  	zynq-zc706.dtb \
>  	zynq-zed.dtb \
> -	zynq-zybo.dtb
> +	zynq-zybo.dtb \
> +	zynq-zybo-z7.dtb
>  dtb-$(CONFIG_MACH_ARMADA_370) += \
>  	armada-370-db.dtb \
>  	armada-370-dlink-dns327l.dtb \
> diff --git a/arch/arm/boot/dts/zynq-zybo-z7.dts b/arch/arm/boot/dts/zynq-zybo-z7.dts
> new file mode 100644
> index 000000000000..97e487913f8f
> --- /dev/null
> +++ b/arch/arm/boot/dts/zynq-zybo-z7.dts
> @@ -0,0 +1,65 @@
> +/*
> + * Digilent Zybo Z7 board DTS
> + *
> + *  Copyright (C) 2017 Cybertrust Japan Co., Ltd.
> + *  Copyright (C) 2017 Nobuhiro Iwamatsu <nobuhiro.iwamatsu at cybertrust.co.jp>
> + *
> + *  SPDX-License-Identifier:	GPL-2.0+

This should be the first line with starting //

> + */
> +/dts-v1/;
> +#include "zynq-7000.dtsi"
> +
> +/ {
> +	model = "Zynq ZYBO Z7 Development Board";
> +	compatible = "digilent,zynq-zybo-z7", "xlnx,zynq-7000";

Please based it on this series:
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1618031.html
or https://github.com/Xilinx/linux-xlnx/tree/zynq/dt

And you should record digilent,zynq-zybo-z7 compatible string.

I have not a problem if you want to extend xilinx.txt file with it.
Documentation/devicetree/bindings/arm/xilinx.txt



> +
> +	aliases {
> +		ethernet0 = &gem0;
> +		serial0 = &uart1;
> +	};
> +
> +	memory {

this should be 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 = <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>;
> +};
> 

Thanks,
Michal



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