Re: [PATCH 2/2] ARM: dts: mvebu: add device tree for IIJ SA-W2 appliance

[Krzysztof Kozlowski]

On 23/02/2023 14:25, INAGAKI Hiroshi wrote:
> Add device tree for Internet Initiative Japan Inc. (IIJ) SA-W2 appliance.
> 
> Specification:
> 
> - SoC         : Marvell Armada 380 88F6810
> - RAM         : DDR3 256 MiB
> - Flash       : SPI-NOR 32 MiB
> - WLAN        : 2x Mini PCI-E slots
>   - 2.4 GHz   : Atheros AR9287
>   - 5 GHz     : Qualcomm Atheros QCA9880
> - Ethernet    : 5x 10/100/1000 Mbps
>   - Switch    : Marvell 88E6172
> - LEDs        : 12x
> - Buttons     : 1x
> - Serial      : "CONSOLE" port (RJ-45, RS-232C level)
>   - port      : ttyS0
>   - settings  : 115200 8n1
>   - assignment: 1:NC , 2:NC , 3:TXD, 4:GND,
>                 5:GND, 6:RXD, 7:NC , 8:NC
> - USB         : 2x USB 2.0 Type-A
>   - Hub       : SMCC USB2514B
> - Power       : DC Input or PoE Input
>   - DC        : 12 VDC, 3 A
>   - PoE       : 802.3f
>     - module  : Silvertel Ag9712-2BR
> - Bootloader  : PMON2000 based
> - Stock OS    : NetBSD based
> 
> Image header for stock bootloader:
> 
> 0x00 - 0x07: Identifier      , ascii, "SEIL2015"
> 0x08 - 0x57: Copyright       , ascii
> 0x58 - 0x5b: Checksum (CRC32), hex
> 0x5c - 0x5f: Version Format  , hex  , 0x00000001
> 0x60 - 0x63: Major Version   , hex
> 0x64 - 0x67: Minor Version   , hex
> 0x68 - 0x87: Release Version , ascii
> 0x88 - 0x8b: Xor Key?        , hex  , 0x00000000 (if not encoded)
> 0x8c - 0x8f: Data Length     , hex
> 
>   example:
> 
>   Identifier     : "SEIL2015"
>   Copyright      : "ARM OpenWrt Linux-5.15.94"
>   Checksum       : 0xd575759f (calculated from kernel data)
>   Version Format : 0x00000001
>   Major Version  : 0x00000009
>   Minor Version  : 0x00000063
>   Release Version: "r22151-318ed84c8d"
>   Xor Key?       : 0x00000000
>   Data Length    : 0x35312d33 (length of kernel data)
> 
> Signed-off-by: INAGAKI Hiroshi <musashino.open@xxxxxxxxx>
> ---
>  arch/arm/boot/dts/Makefile                 |   1 +
>  arch/arm/boot/dts/armada-380-iij-sa-w2.dts | 391 +++++++++++++++++++++
>  2 files changed, 392 insertions(+)
>  create mode 100644 arch/arm/boot/dts/armada-380-iij-sa-w2.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index efe4152e5846..19119a3f4f1e 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1523,6 +1523,7 @@ dtb-$(CONFIG_MACH_ARMADA_370) += \
>  dtb-$(CONFIG_MACH_ARMADA_375) += \
>  	armada-375-db.dtb
>  dtb-$(CONFIG_MACH_ARMADA_38X) += \
> +	armada-380-iij-sa-w2.dtb \
>  	armada-381-netgear-gs110emx.dtb \
>  	armada-382-rd-ac3x-48g4x2xl.dtb \
>  	armada-385-atl-x530.dtb\
> diff --git a/arch/arm/boot/dts/armada-380-iij-sa-w2.dts b/arch/arm/boot/dts/armada-380-iij-sa-w2.dts
> new file mode 100644
> index 000000000000..beeecbb0f5f8
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-380-iij-sa-w2.dts
> @@ -0,0 +1,391 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Device Tree file for Internet Initiative Japan Inc. SA-W2 Appliance
> + *
> + * Copyright (c) 2023, INAGAKI Hiroshi <musashino.open@xxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include "armada-380.dtsi"
> +
> +/ {
> +	model = "IIJ SA-W2";
> +	compatible = "iij,sa-w2", "marvell,armada380";

It would be nice to start documenting the board compatibles, at least
for new boards.

Best regards,
Krzysztof