Messages in this thread | | | Date | Tue, 30 Jul 2013 15:22:39 -0600 | From | Stephen Warren <> | Subject | Re: [PATCH] pinctrl: msm: Add support for MSM TLMM pinmux |
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On 07/30/2013 03:10 PM, hanumant wrote: ... > We actually have the same TLMM pinmux used by several socs of a family. > The number of pins on each soc may vary. > Also a given soc gets used in a number of boards. > The device tree for a given soc is split into the different boards that > its in ie the boards inherit a common soc.dtsi but have separate dts. > The boards for the same soc may use different pin groups for > accomplishing a function, since we have multiple i2c, spi uart etc > peripheral instances on a soc. A different instance of each of the above > peripherals, can be used in different boards, utilizing different > or subset of same pin groups. > Thus I would need to have multiple C files for one soc, based on the > boards that it goes into.
The pinctrl driver should be exposing the raw capabilities of the HW. All the board-specific configuration should be expressed in DT. So, the driver shouldn't have to know anything about different boards at compile-time.
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