linux-kernel - [PATCH v4 0/2] Add Support for LinkStar H68K board: ARM64 and RK3568: dts and dt-bindings.

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Message-Id: <20250727-linkstarpatch_v4_6-16-rc1-v4-0-0dfa7aa06ec9@tahomasoft.com>
Date: Sun, 27 Jul 2025 20:03:18 -0400
From: Erik Beck <xunil@...omasoft.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Erik Beck <xunil@...omasoft.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 0/2] Add Support for LinkStar H68K board: ARM64 and
 RK3568: dts and dt-bindings.

Provide support for the Seeed LinkStar H68K-1432v1, previously
unsupported in mainline Linux kernel. It is a compact single board
travel router with the following features:

  - Rockchip rk3568 SoC;
  - Four Gib RAM;
  - Four ethernet ports:
    -  Two 1 GigE ports;
    -  Two 2.5 GigE ports (RTL8125);
    
  - Ethernet ports support Precision Time Protocol (PTP IEEE 1588);
  
  - Four USB ports:
    - Three USB 3.0 ports;
    - Two USB 2.0 ports;
    
  - Integrated WiFi:
    - MediaTek MT7921e
    
  - Audio and video outputs:
    - HDMI;
    - Headphone;
    
  - eMMC (32 Gib) and microSD storage;
  - Real-time clock (rk809)
  - Powered by:
    - USB Type-C;
    - Barrel connector (DC 12-24v);
    
These patches:
  - Create a devicetree for the board;
  - Add a (dtb) Makefile entry for the board;
  - Add the board to dt-bindings;

v4:
  - Responsive to comments received from  Krzysztof Kozlowski <krzk+dt@...nel.org>
    - https://lore.kernel.org/all/20250725-muskox-of-authentic-gaiety-b8eda4@kuoka/
    - https://lore.kernel.org/all/20250725-nocturnal-messy-cicada-dbcc10@kuoka/
    - /* (Thank you Krzysztof!) */
    
  - Changes made are:
    - Clarified the base commit working from;
    - Base patched against:
      - Commit 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (tag: v6.16-rc1);
	
    - Revised commit message for devicetree to be clearer, contain
      more details about the hardware, and be more succinct;

    - Revised commit message for devicetree binding to be clearer, contain
      more details about the hardware, and be more succinct;
  
v3:
  Responsive to comments received from:
  - Chukun Pan <amadeus@....edu.cn>
  - Krzysztof Kozlowski <krzk+dt@...nel.org>
  - Rob Herring <robh@...nel.org>
  - Heiko Stuebner <heiko@...ech.de>

   /* (Thank you all!) */

  Those changes are:
     - Removed copyright line of <amadeus@....edu.cn> per their request;
     - Fixed indentations;
     - Replaced space indentations with tabs;
     - Packaging this patch set together properly using b4, fixing the threading;
     - Clarifying versioning and Changelog;

v2: (https://lore.kernel.org/all/20250721201137.233166-1-xunil@tahomasoft.com/)
  Responding to comments received from Heiko Stuebner <heiko@...ech.de> 

  Those changes are:

     - Splits the single commit into two, one for the yaml binding,
       and the other for the board devicetree plus Makefile addition;

     - Adds other recipients needed from get_maintainer.pl --nol and --nom;
     
     - Uses git send-email to send the patches, to avoid adding line
       breaks from the MUA;

     - Changes comment style to conform with style guide;
     - Removes several unneeded comments from the devicetree;
     - Changes LED naming scheme with more standard nomenclature;
     - Changes naming of regulators, prepending 'regulator', such as:
        ~ from: vcc12v_dcin: vcc12v-dcin {}
        ~ to:   vcc12v_dcin: regulator-vcc12v-dcin {}

     - Removes unneeded tx_delay/rx_delay from rgmii-id
        
v1: (https://lore.kernel.org/all/20250718075058.243a5619.xunil@tahomasoft.com/)
  - Initial patch to provide support for Seeed LinkStar H68K

Signed-off-by: Erik Beck <xunil@...omasoft.com>

---
Erik Beck (2):
      dt-bindings: arm: rockchip: add LinkStar-H68k-1432v1
      arm64: dts: rockchip: add LinkStar-H68k-1432v1

 .../devicetree/bindings/arm/rockchip.yaml          |   5 +
 arch/arm64/boot/dts/rockchip/Makefile              |   1 +
 .../dts/rockchip/rk3568-linkstar-h68k-1432v1.dts   | 740 +++++++++++++++++++++
 3 files changed, 746 insertions(+)
---
base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
change-id: 20250726-linkstarpatch_v4_6-16-rc1-e4b00cab9d02

Best regards,
-- 
Erik Beck <xunil@...omasoft.com>