(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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