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    SubjectRe: [RFC PATCH v2 00/13] arm/tegra: Initialize GPIO & pinmux from DT
    Date
    On Monday 15 August 2011, Stephen Warren wrote:
    > v2:
    > * Enhanced pinmux code to handle "drive pingroups" as well as "mux
    > pingroups". This altered the pinmux binding a little; shifting each
    > type of pingroup into a sub-node in the pinmux node.
    > * Enumerate pingroups by enumerating DT child nodes, and mapping them to
    > pingroups, rather than the other way around. Hence also removed
    > modifications to <linux/of.h> and drivers/of/base.c.
    > * Included documentation of the bindings.
    > * Represent pingroup names and function names, as lower case in DT.
    > * Used a better name for GPIO binding GPIO list.
    > * Switched to boolean properties for pinmux pull-up/down.
    > * s/dev_err/dev_dbg/ in DT parsing debug code.
    > * Various minor cleanups (e.g. typos, white-space).
    >
    > This patch modifies Tegra's device tree support to remove the dependency
    > on harmony_pinmux_init(), thus making it completely board-independent.

    I don't understand enough of the technical background to comment on
    the contents, on the surface it all makes sense.

    I do think that you should keep Linus Walleij on Cc in these emails, since
    he first started pushing for a common pinmux layer, and we need to make
    sure that the binding works for all SoCs, not just for tegra.

    Arnd


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