[PATCH v2 4/4] ARM: shmobile: BOCK-W reference: add Ether PFC settings

Simon Horman horms at verge.net.au
Fri Sep 27 00:38:36 EDT 2013


On Fri, Sep 27, 2013 at 12:44:18AM +0400, Sergei Shtylyov wrote:
> Hello.
> 
> On 09/26/2013 05:51 AM, Simon Horman wrote:
> 
> >>>>>>Add the Ether pin group to bockw_pinctrl_map[].
> 
> >>>>>>Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> 
> >>>>>>---
> >>>>>>  arch/arm/mach-shmobile/board-bockw-reference.c |    3 +++
> >>>>>>  1 file changed, 3 insertions(+)
> 
> >>>>>>Index: renesas/arch/arm/mach-shmobile/board-bockw-reference.c
> >>>>>>===================================================================
> >>>>>>--- renesas.orig/arch/arm/mach-shmobile/board-bockw-reference.c
> >>>>>>+++ renesas/arch/arm/mach-shmobile/board-bockw-reference.c
> >>>>>>@@ -29,6 +29,9 @@
> >>>>>>   */
> >>>>>>
> >>>>>>  static const struct pinctrl_map bockw_pinctrl_map[] = {
> >>>>>>+       /* Ether */
> >>>>>>+       PIN_MAP_MUX_GROUP_DEFAULT("fde00000.ethernet", "pfc-r8a7778",
> >>>>>>+                                 "ether_rmii", "ether"),
> >>>>>>         /* SCIF0 */
> >>>>>>         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
> >>>>>>                                   "scif0_data_a", "scif0"),
> 
> >>>>>Hi Sergei,
> 
> >>>>>Thanks for your patches. In general I think your series looks fine. I
> >>>>>have a single comment, and that's about the pinctrl-related hunk
> >>>>>above. I can see that this patch is for DT reference for Bock-W, so I
> >>>>>expect the code to be in DT. Do you have any plans to use DT to
> >>>>>describe the pinmux bits? Perhaps you have some incremental patch
> >>>>>planned?
> 
> >>>>    No, I just repeated what I saw mechanically. Now I'm seeing some
> >>>>evidence that PFC driver supports the device tree, so I probably
> >>>>need to redo the patchset... let me study this question better.
> 
> >>>Ping.
> 
> >>    Sorry, I got distracted by other work and didn't advance much here.
> >>Will try to respin the patchset before my vacation (next Monday).
> >>Although the driver DT support patch have seemingly stalemated due
> >>to the most recent comments...
> 
> >Thanks for the update.
> 
> >I guess the key is to move forward on the driver side, somehow.
> 
>    Do you mean we should grant Stephen's requests concerning clock
> DT support before we add the DT support to the driver?

That seems like the most logical way forwards to me.

Is the main issue that the clocks aren't accessible via DT at this time?



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