+ devicetree mail list On 02/10/18 07:52, Enrico Weigelt, metux IT consult wrote: > Hi folks, > > I've regularily have the task of configuring a kernel for a given DT. > To make this a little bit easier, I'd like to do this automatically. > > The tuff task here is getting a mapping between dt compatible strings > and corresponding CONFIG_* flags. Automatically extracting it from the > source code seems pretty tricky, especially w/ corner cases (eg. some > drivers support groups of devices, depending on config options) - IMHO > it will need some code changes anyways. > > Therefore I propose a simple approach using the existing Kconfig system: > > Add an extra (toplevel) menu and config flag naming scheme which > directly map DT compatible strings to config flags. For example: > >> fsl,mpc5200-gpio <=> CONFIG_DTDEV_FSL_MPC5200_GPIO > >> config CONFIG_DTDEV_FSL_MPC5200_GPIO >> tristate "fsl,mpc5200-gpio" >> select GPIO_MPC5200 > > Note that these flags are separate from the actual drivers - they just > enable them automatically. Of course they'll have to be maintained by > the driver maintainers. > > > What do you think about this idea ? > > > --mtx > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
