linux-kernel - [PATCH 0/3] arm64: dts: rockchip: Add Radxa E24C

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Message-ID: <20250727144409.327740-1-jonas@kwiboo.se>
Date: Sun, 27 Jul 2025 14:44:00 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
	Chukun Pan <amadeus@....edu.cn>,
	devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 0/3] arm64: dts: rockchip: Add Radxa E24C

This series adds dt-bindings and initial device tree for the Radxa E24C.

The product page for E24C mentions that onboard eMMC is optional and the
model I have come with SPI flash instead of eMMC.

On RK3528 the eMMC and SPI flash is muxed so only one of them can work.

I have included both SPI flash and eMMC nodes in the device tree,
however the sdhci node has been marked with status=fail. Something that
possible could be enabled using a DTBO or FDT fixup by the bootloader.

This also leaves out describing the RTL8367RB-VB switch as support for
the switch requires dt-binding and/or driver changes to make it work,
something that will be handled in a separate follow-up series.

This board can be booted from SD-card using the U-Boot 2025.07
generic-rk3528 target or preferably using work-in-progress patches [1].

This series depends on following series for a clean apply:
- arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2 [2]
- rockchip: Add power controller support for RK3528 [3]
- rockchip: Add USB 2.0 support for RK3528 [4]

A branch with all these (and some more) patches can be found at [5].

[1] https://source.denx.de/u-boot/contributors/kwiboo/u-boot/-/commits/rk3528
[2] https://lore.kernel.org/r/20250717103720.2853031-1-jonas@kwiboo.se
[3] https://lore.kernel.org/r/20250723085654.2273324-1-jonas@kwiboo.se
[4] https://lore.kernel.org/r/20250723122323.2344916-1-jonas@kwiboo.se
[5] https://github.com/Kwiboo/linux-rockchip/commits/next-20250722-rk3528/

Jonas Karlman (3):
  arm64: dts: rockchip: Add SFC node for RK3528
  dt-bindings: arm: rockchip: Add Radxa E24C
  arm64: dts: rockchip: Add Radxa E24C

 .../devicetree/bindings/arm/rockchip.yaml     |   6 +-
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../boot/dts/rockchip/rk3528-radxa-e24c.dts   | 519 ++++++++++++++++++
 arch/arm64/boot/dts/rockchip/rk3528.dtsi      |  12 +
 4 files changed, 536 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts

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2.50.1