Re: [PATCH] ARM: dts: am335x-boneblack: Use pinctrl constants

From: Andrew F. Davis
Date: Fri Oct 23 2015 - 10:36:21 EST


On 10/23/2015 09:29 AM, Javier Martinez Canillas wrote:
Hello Andrew,

On Fri, Oct 23, 2015 at 3:08 PM, Andrew F. Davis <afd@xxxxxx> wrote:
On 10/22/2015 04:23 PM, Tony Lindgren wrote:

* Andrew F. Davis <afd@xxxxxx> [151022 09:21]:

Using constants for pinctrl allows better readability and removes
redundancy with comments.


You should use the include/dt-bindings/pinctrl/omap.h macro
AM33XX_IOPAD(pa, val) while at it. Otherwise we'll end up patching
the same things again later on.


Hmm, I haven't really been following this change, it kind of seems to add
some unnecessary abstraction by using physical hardware addresses instead
of offsets, then just converting them back to offsets. The offset style DT
nodes are already auto-generated with existing tools anyway:
https://dev.ti.com/pinmux

I'm sure this has been discussed already so if this is a blocker I'll
re-spin this.


The good thing about the IOPAD pinmux macros is that matches what is
in the TRM so it is easier to read the DTS and verify that is correct.

I've on my queue to migrate all the remaining DTS for TI SoCs to use
the IOPAD macros but is just that I didn't have time to do it this
week. Probably I'll do it at the end of the next week.


Then this patch can probably be dropped, hopefully the converted constants
in this patch can be of some help for you though.

Andrew

Andrew


Regards,


Best regards,
Javier

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