CONFIG_PROC_DEVICETREE: Support for device tree in /proc

General informations

The Linux kernel configuration item CONFIG_PROC_DEVICETREE has multiple definitions:

Support for device tree in /proc found in drivers/of/Kconfig

The configuration item CONFIG_PROC_DEVICETREE:

• prompt: Support for device tree in /proc
• type: bool
• depends on: CONFIG_PROC_FS && ! CONFIG_SPARC
• defined in drivers/of/Kconfig
• found in Linux kernels: 2.6.36–2.6.39, 3.0–3.14

Help text

This option adds a device-tree directory under /proc which contains an image of the device tree that the kernel copies from Open Firmware or other boot firmware. If unsure, say Y here.

Support for device tree in /proc found in arch/powerpc/Kconfig

The configuration item CONFIG_PROC_DEVICETREE:

• prompt: Support for device tree in /proc
• type: bool
• depends on: CONFIG_PROC_FS
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 2.6.15–2.6.35

Help text

This option adds a device-tree directory under /proc which contains an image of the device tree that the kernel copies from Open Firmware or other boot firmware. If unsure, say Y here.

Support for device tree in /proc found in arch/microblaze/Kconfig

The configuration item CONFIG_PROC_DEVICETREE:

• prompt: Support for device tree in /proc
• type: bool
• depends on: CONFIG_PROC_FS
• defined in arch/microblaze/Kconfig
• found in Linux kernels: 2.6.30–2.6.35

Help text

This option adds a device-tree directory under /proc which contains an image of the device tree that the kernel copies from Open Firmware or other boot firmware. If unsure, say Y here.

Support for Open Firmware device tree in /proc found in arch/ppc/Kconfig

The configuration item CONFIG_PROC_DEVICETREE:

• prompt: Support for Open Firmware device tree in /proc
• type: bool
• depends on: CONFIG_PPC_OF && CONFIG_PROC_FS
• defined in arch/ppc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.16

Help text

This option adds a device-tree directory under /proc which contains an image of the device tree that the kernel copies from Open Firmware. If unsure, say Y here.

Support for Open Firmware device tree in /proc found in arch/ppc64/Kconfig

The configuration item CONFIG_PROC_DEVICETREE:

• prompt: Support for Open Firmware device tree in /proc
• type: bool
• depends on: ! CONFIG_PPC_ISERIES
• defined in arch/ppc64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.14

Help text

This option adds a device-tree directory under /proc which contains an image of the device tree that the kernel copies from Open Firmware. If unsure, say Y here.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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