Re: [PATCH v2 2/2] ARM: dts: zynq: Add ALINX AX7Z020B development board

[Krzysztof Kozlowski <krzk@kernel.org>]

On Wed, Nov 11, 2026 at 11:29:17AM -0500, Pufan Jin wrote:
> Add devicetree support for the ALINX AX7Z020B development board.
> The board is built around the ALINX AC7Z020 system on module with a
> Zynq-7000 (XC7Z020-2CLG400I) SoC, 1 GB DDR3 SDRAM and 32 MB QSPI
> flash, and provides Gigabit Ethernet (JLSemi JL2121 PHY), USB 2.0
> host, MicroSD slot, dual CAN buses (SN65HVD232 transceivers on
> MIO 10-13), I2C RTC/EEPROM/LM75 and the serial console on UART1.
> DevCFG FPGA manager is also enabled.
> 
> The two SMA AD inputs and the spare differential pair are wired to
> XADC aux channels VAUX1, VAUX9 and VAUX12. The XADC hard macro is
> always accessible from the PS, so expose these channels via the
> driver's xlnx,channels property.
> 
> Link: https://www.alinx.com/

Drop link. We do not advertise websites, unless it brings some value.

> Signed-off-by: Pufan Jin <cyan2254650260@gmail.com>
> ---
>  arch/arm/boot/dts/xilinx/Makefile             |   1 +
>  .../boot/dts/xilinx/zynq-alinx-ac7z020.dtsi   |  70 +++++++++
>  .../boot/dts/xilinx/zynq-alinx-ax7z020b.dts   | 142 ++++++++++++++++++
>  3 files changed, 213 insertions(+)
>  create mode 100644 arch/arm/boot/dts/xilinx/zynq-alinx-ac7z020.dtsi
>  create mode 100644 arch/arm/boot/dts/xilinx/zynq-alinx-ax7z020b.dts

...

> diff --git a/arch/arm/boot/dts/xilinx/zynq-alinx-ax7z020b.dts b/arch/arm/boot/dts/xilinx/zynq-alinx-ax7z020b.dts
> new file mode 100644
> index 0000000000..472d9fcaaf
> --- /dev/null
> +++ b/arch/arm/boot/dts/xilinx/zynq-alinx-ax7z020b.dts
> @@ -0,0 +1,142 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * DTS for ALINX AX7Z020B Development Board
> + *
> + * Copyright (C) 2026 Pufan Jin <cyan2254650260@gmail.com>
> + */
> +
> +/dts-v1/;
> +#include "zynq-alinx-ac7z020.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> +	model = "ALINX AX7Z020B Development Board";
> +	compatible = "alinx,ax7z020b", "alinx,ac7z020", "xlnx,zynq-7000";
> +
> +	aliases {
> +		ethernet0 = &gem0;
> +		serial0 = &uart1;
> +		serial1 = &uart0;
> +		mmc0 = &sdhci0;
> +		spi0 = &qspi;
> +		i2c0 = &i2c0;
> +	};
> +
> +	chosen {
> +		bootargs = "";

Drop bootargs, why do you need empty ones anyway?


> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	usb_phy0: phy0 {

just "phy" or is there phy-1?

Best regards,
Krzysztof