Re: [PATCH] pinctrl: msm: Add support for MSM TLMM pinmux
From: Stephen Warren
Date: Tue Jul 30 2013 - 17:22:47 EST
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
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