linux-kernel - Re: [PATCH v2 2/5] arm: zynq: Add support for Xilinx zc770 xm010 dc1 board

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Date:   Fri, 2 Mar 2018 12:50:06 -0600
From:   Rob Herring <robh@...nel.org>
To:     Michal Simek <michal.simek@...inx.com>
Cc:     devicetree@...r.kernel.org, monstr@...str.eu,
        Steffen Trumtrar <s.trumtrar@...gutronix.de>,
        linux-kernel@...r.kernel.org,
        Peter Crosthwaite <peter.crosthwaite@...inx.com>,
        Rob Herring <robherring2@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Josh Cartwright <josh.cartwright@...com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/5] arm: zynq: Add support for Xilinx zc770 xm010 dc1
 board

On Fri, Feb 23, 2018 at 04:00:20PM +0100, Michal Simek wrote:
> zc770 is based board which is extended by FMC/DC cards for SoC
> validation. FMCs/DCs are supposed to cover all SoC configurations.
> FMC/DC contains ethernet port, can, i2c, sd, qspi, spi, uart and usb.
> 
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> 
> Changes in v2:
> - Record compatible string to xilinx.txt
> 
>  Documentation/devicetree/bindings/arm/xilinx.txt |  3 +
>  arch/arm/boot/dts/Makefile                       |  1 +
>  arch/arm/boot/dts/zynq-zc770-xm010.dts           | 92 ++++++++++++++++++++++++
>  3 files changed, 96 insertions(+)
>  create mode 100644 arch/arm/boot/dts/zynq-zc770-xm010.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/xilinx.txt b/Documentation/devicetree/bindings/arm/xilinx.txt
> index 425c74fcc560..019e69037d42 100644
> --- a/Documentation/devicetree/bindings/arm/xilinx.txt
> +++ b/Documentation/devicetree/bindings/arm/xilinx.txt
> @@ -11,6 +11,9 @@ Additional compatible strings:
>  - Xilinx internal board cc108
>    "xlnx,zynq-cc108"
>  
> +- Xilinx internal board zc770 with different FMC cards
> +  "xlnx,zynq-zc770-xm010"
> +
>  ---------------------------------------------------------------
>  
>  Xilinx Zynq UltraScale+ MPSoC Platforms Device Tree Bindings
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index c6810e84d4d7..be9ffae2a1ec 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1067,6 +1067,7 @@ dtb-$(CONFIG_ARCH_ZYNQ) += \
>  	zynq-parallella.dtb \
>  	zynq-zc702.dtb \
>  	zynq-zc706.dtb \
> +	zynq-zc770-xm010.dtb \
>  	zynq-zed.dtb \
>  	zynq-zybo.dtb
>  dtb-$(CONFIG_MACH_ARMADA_370) += \
> diff --git a/arch/arm/boot/dts/zynq-zc770-xm010.dts b/arch/arm/boot/dts/zynq-zc770-xm010.dts
> new file mode 100644
> index 000000000000..b1cfb4ede434
> --- /dev/null
> +++ b/arch/arm/boot/dts/zynq-zc770-xm010.dts
> @@ -0,0 +1,92 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Xilinx ZC770 XM010 board DTS
> + *
> + * Copyright (C) 2013-2018 Xilinx, Inc.
> + */
> +/dts-v1/;
> +#include "zynq-7000.dtsi"
> +
> +/ {
> +	compatible = "xlnx,zynq-zc770-xm010", "xlnx,zynq-7000";
> +	model = "Xilinx Zynq";
> +
> +	aliases {
> +		ethernet0 = &gem0;
> +		i2c0 = &i2c0;
> +		serial0 = &uart1;
> +		spi1 = &spi1;
> +	};
> +
> +	chosen {
> +		bootargs = "";
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory@0 {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000>;
> +	};
> +
> +	usb_phy0: phy0 {
> +		compatible = "usb-nop-xceiv";
> +		#phy-cells = <0>;
> +	};
> +};
> +
> +&can0 {
> +	status = "okay";
> +};
> +
> +&gem0 {
> +	status = "okay";
> +	phy-mode = "rgmii-id";
> +	phy-handle = <&ethernet_phy>;
> +
> +	ethernet_phy: ethernet-phy@7 {
> +		reg = <7>;
> +		device_type = "ethernet-phy";
> +	};
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +	clock-frequency = <400000>;
> +
> +	eeprom: eeprom@52 {
> +		compatible = "atmel,24c02";
> +		reg = <0x52>;
> +	};
> +
> +};
> +
> +&sdhci0 {
> +	status = "okay";
> +};
> +
> +&spi1 {
> +	status = "okay";
> +	num-cs = <4>;
> +	is-decoded-cs = <0>;
> +	flash@0 {
> +		compatible = "sst25wf080", "jedec,spi-nor";
> +		reg = <1>;
> +		spi-max-frequency = <1000000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		partition@...t {

@test?

Use a partitions node too.

> +			label = "spi-flash";

Should be what the partition contains.

> +			reg = <0x0 0x100000>;
> +		};
> +	};
> +};
> +
> +&uart1 {
> +	status = "okay";
> +};
> +
> +&usb0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	usb-phy = <&usb_phy0>;
> +};
> -- 
> 1.9.1
>