doc/driver-model/README.txt

4 This README contains high-level information about driver model, a unified
54 can be used for testing, so it will implement all driver model features and
89 The intent with driver model is that the core portion has 100% test coverage
313 so driver model can find the drivers that are available.
318     bind - make the driver model aware of a device (bind it to its driver)
319     unbind - make the driver model forget the device
448 The driver model tree is intended to mirror that of the device tree. The
481 serial1, ...). Driver model supports this numbering and permits devices
530 A common use of driver model is to implement a bus, a device which provides
535 Driver model provides some useful features to help with implementing buses.
611 Here are the stages that a device goes through in driver model. Note that all
651 Note that compared to Linux, U-Boot's driver model has a separate step of
768       happens automatically within the driver model core; or
795 Driver model uses a doubly-linked list as the basic data structure. Some
808 is little or no 'driver model' code to write.
832 For pre-relocation we simply call the driver model init function. Only
835 model overhead. This flag applies to SPL and TPL as well, if device tree is
852 Then post relocation we throw that away and re-init driver model again.
856 pointer is saved but not made available through the driver model API).
862 Driver model can operate in SPL. Its efficient implementation and small code
866 To enable driver model in SPL, define CONFIG_SPL_DM. You might want to
878 Driver model is being brought into U-Boot gradually. As each subsystems gets
879 support, a uclass is created and a CONFIG to enable use of driver model for
882 For example CONFIG_DM_SERIAL enables driver model for serial. With that
884 conform to driver model. With that undefined, the old serial support is
885 enabled and driver model is not available for serial. This means that when
887 the driver to be compiled both with and without driver model (generally this
890 See the main README for full details of the available driver model CONFIG