linux-kernel - [PATCH v2 0/3] arm64: dts: Add support for Kent SoC family

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Message-ID: <20251113123009.26568-1-eleanor.lin@realtek.com>
Date: Thu, 13 Nov 2025 20:30:06 +0800
From: Yu-Chun Lin <eleanor.lin@...ltek.com>
To: <afaerber@...e.de>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <lee@...nel.org>, <james.tai@...ltek.com>
CC: <linux-arm-kernel@...ts.infradead.org>,
        <linux-realtek-soc@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <cy.huang@...ltek.com>,
        <stanley_chang@...ltek.com>, <eleanor.lin@...ltek.com>
Subject: [PATCH v2 0/3] arm64: dts: Add support for Kent SoC family

Hello,

This patch series adds initial Device Tree support for Realtek's Kent SoC
family, including the RTD1501S, RTD1861B, and RTD1920S variants with their
respective evaluation boards.

The series includes:

1. Adds compatible strings for the Kent family.
2. Add new DT bindings for the Realtek ISO system controller.
3. Add Device Tree files for the Kent SoC, TD1501S Phantom EVB (8GB),
RTD1861B Krypton EVB (8GB), and RTD1920S Smallville EVB (4GB).

The patches have been validated with 'make dtbs_check' and
'dt_binding_check' to ensure compliance with DT schema and successful
compilation.

Cheers,
Yu-Chun

Signed-off-by: Yu-Chun Lin <eleanor.lin@...ltek.com>
---
Changes in v2:

[PATCH v2 1/3]
- Fix YAML syntax: remove duplicate blank lines
- Validated with 'make dt_binding_check'

[PATCH v2 2/3]
- Rename: realtek,iso-system.yaml -> realtek,misc.yaml
- Improve description and example: show child node (UART)

[PATCH v2 3/3]
- Reorder Makefile targets to alphabetical order.
- Rename node: use generic names ('arch_timer' -> 'timer', 'reg-bus' -> 'bus')
- Fix node naming and hex format (remove leading zeros)
- Inline overlay nodes directly into .dtsi
- Reorder properties: ranges after reg
- Remove unnecessary status and custom bootargs

V1: https://lore.kernel.org/lkml/20251105104452.6336-1-eleanor.lin@realtek.com/

Yu-Chun Lin (3):
  dt-bindings: arm: realtek: Add Kent Soc family compatibles
  dt-bindings: mfd: Add Realtek MISC system controller
  arm64: dts: realtek: Add Kent SoC and EVB device trees

 .../devicetree/bindings/arm/realtek.yaml      |  42 +++--
 .../devicetree/bindings/mfd/realtek,misc.yaml |  72 ++++++++
 arch/arm64/boot/dts/realtek/Makefile          |   7 +-
 arch/arm64/boot/dts/realtek/kent.dtsi         | 174 ++++++++++++++++++
 arch/arm64/boot/dts/realtek/rtd1501.dtsi      |  13 ++
 .../boot/dts/realtek/rtd1501s-phantom-8gb.dts |  25 +++
 .../boot/dts/realtek/rtd1501s-phantom.dtsi    | 119 ++++++++++++
 arch/arm64/boot/dts/realtek/rtd1861.dtsi      |  13 ++
 .../boot/dts/realtek/rtd1861b-krypton-8gb.dts |  25 +++
 .../boot/dts/realtek/rtd1861b-krypton.dtsi    |  73 ++++++++
 arch/arm64/boot/dts/realtek/rtd1920.dtsi      |  13 ++
 .../dts/realtek/rtd1920s-smallville-4gb.dts   |  23 +++
 .../boot/dts/realtek/rtd1920s-smallville.dtsi | 129 +++++++++++++
 13 files changed, 712 insertions(+), 16 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/realtek,misc.yaml
 create mode 100644 arch/arm64/boot/dts/realtek/kent.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1501.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1501s-phantom-8gb.dts
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1501s-phantom.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1861.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1861b-krypton-8gb.dts
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1861b-krypton.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1920.dtsi
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1920s-smallville-4gb.dts
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1920s-smallville.dtsi

-- 
2.34.1