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

From: INAGAKI Hiroshi
Date: Fri Feb 24 2023 - 07:29:19 EST


Hi Krzysztof,

thank you for the comment.

On 2023/02/23 23:17, Krzysztof Kozlowski wrote:
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.

So...how do I do that?


Best regards,
Krzysztof


Regards,
Hiroshi