(subset) [PATCH 0/7] dts: Add /firmware/#{address,size}-cells to Chromium-based DTs

Heiko Stuebner heiko at sntech.de
Tue May 5 11:19:08 PDT 2026


On Tue, 28 Apr 2026 13:06:52 -0700, Brian Norris wrote:
> Chromium/Depthcharge bootloaders may dynamically add a few device nodes
> to a system's DTB under a /firmware node. A typical DT looks something
> like the following:
> 
>   ## From a RK3399 Gru/Kevin Chromebook:
>   # find /sys/firmware/devicetree/base/firmware
>   /sys/firmware/devicetree/base/firmware
>   /sys/firmware/devicetree/base/firmware/coreboot
>   /sys/firmware/devicetree/base/firmware/coreboot/ram-code
>   /sys/firmware/devicetree/base/firmware/coreboot/compatible
>   /sys/firmware/devicetree/base/firmware/coreboot/board-id
>   /sys/firmware/devicetree/base/firmware/coreboot/reg
>   /sys/firmware/devicetree/base/firmware/coreboot/name
>   /sys/firmware/devicetree/base/firmware/chromeos
>   /sys/firmware/devicetree/base/firmware/chromeos/readonly-firmware-version
>   /sys/firmware/devicetree/base/firmware/chromeos/active-ec-firmware
>   /sys/firmware/devicetree/base/firmware/chromeos/firmware-version
>   /sys/firmware/devicetree/base/firmware/chromeos/nonvolatile-context-storage
>   /sys/firmware/devicetree/base/firmware/chromeos/vboot-shared-data
>   /sys/firmware/devicetree/base/firmware/chromeos/nonvolatile-context-size
>   /sys/firmware/devicetree/base/firmware/chromeos/nonvolatile-context-offset
>   /sys/firmware/devicetree/base/firmware/chromeos/hardware-id
>   /sys/firmware/devicetree/base/firmware/chromeos/compatible
>   /sys/firmware/devicetree/base/firmware/chromeos/firmware-type
>   /sys/firmware/devicetree/base/firmware/chromeos/fmap-offset
>   /sys/firmware/devicetree/base/firmware/chromeos/name
>   /sys/firmware/devicetree/base/firmware/ranges
>   /sys/firmware/devicetree/base/firmware/name
> 
> [...]

Applied, thanks!

[1/7] arm64: dts: rockchip: Add #{address,size}-cells to Chromium-based /firmware
      commit: 0b74f1a037672980c477bbe6b3848fb5341eb4f1
[2/7] ARM: dts: rockchip: Add #{address,size}-cells to Chromium-based /firmware
      commit: 98461edf564a35ee00a97a64f5463eaece586546

Best regards,
-- 
Heiko Stuebner <heiko at sntech.de>



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