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Diffstat (limited to 'drivers/core/Kconfig')
| -rw-r--r-- | drivers/core/Kconfig | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 007dc6a1de..c9bf5de433 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -400,6 +400,30 @@ config DM_DEV_READ_INLINE bool default y if !OF_LIVE +config OFNODE_MULTI_TREE + bool "Allow the ofnode interface to access any tree" + default y if EVENT && !DM_DEV_READ_INLINE && !DM_INLINE_OFNODE + help + Normally U-Boot makes use of its control FDT, the one used to bind + devices and provide options. In some cases, U-Boot must also process + a separate FDT, e.g. one provided by the operating system, which + needs additions to the /chosen node. + + This works fine with live tree (OF_LIVE), but with flat tree the + offset provided in ofnode is only useful with the control FDT. This + option adds a 'tree ID' to the offset, so that multiple trees can + be used. Call oftree_from_fdt() to register a new tree. + +config OFNODE_MULTI_TREE_MAX + int "Maximum number of FDTs" + range 2 8 + depends on OFNODE_MULTI_TREE + default 4 + help + Sets the maximum number of device trees which can be used with the + ofnode interface when using flat trees (OF_LIVE). This is only + available in U-Boot proper and only after relocation. + config ACPIGEN bool "Support ACPI table generation in driver model" default y if SANDBOX || (GENERATE_ACPI_TABLE && !QEMU) |