[PATCH] mxc: Fix pad names for imx51

[s.hauer@pengutronix.de (Sascha Hauer)]

On Wed, Jun 09, 2010 at 03:09:04PM +0200, Amit Kucheria wrote:
> On 10 Jun 08, Sascha Hauer wrote:
> > On Mon, Jun 07, 2010 at 02:15:47PM -0700, Troy Kisky wrote:
> > > Amit Kucheria wrote:
> > > > On 10 Jun 07, Troy Kisky wrote:
> > > > 
> > > >>> On 10 Jun 04, Amit Kucheria wrote:
> > > >>>
> > > > 
> > > > <snip>
> > > > 
> > > >>> +#define MX51_PAD_CSPI1_SCLK__GPIO_4_27		IOMUX_PAD(0x614, 0x224,  3, 0x0,   0, NO_PAD_CTRL)
> > > > 
> > > > <snip>
> > > > 
> > > >>> +#define MX51_PAD_GPIO_1_2__GPIO_1_2		IOMUX_PAD(0x7D4, 0x3CC, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_3__GPIO_1_3		IOMUX_PAD(0x7D8, 0x3D0, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_PMIC_INT_REQ__PMIC_INT_REQ	IOMUX_PAD(0x7FC, 0x3D4, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_4__GPIO_1_4		IOMUX_PAD(0x804, 0x3D8, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_5__GPIO_1_5		IOMUX_PAD(0x808, 0x3DC, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_6__GPIO_1_6		IOMUX_PAD(0x80C, 0x3E0, 0, 0x0,   0, NO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_7__GPIO_1_7		IOMUX_PAD(0x810, 0x3E4, 0, 0x0,   0, MX51_GPIO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_8__GPIO_1_8		IOMUX_PAD(0x814, 0x3E8, 0, 0x0,   1, MX51_GPIO_PAD_CTRL)
> > > >>> +#define MX51_PAD_GPIO_1_9__GPIO_1_9		IOMUX_PAD(0x818, 0x3EC, 0, 0x0,   0, NO_PAD_CTRL)
> > > >> Why all the stuttering?
> > > >> Isn't MX51_PAD_GPIO_1_9 or MX51_PAD_DISP2_DAT15 descriptive enough?
> > > >>
> > > > 
> > > > Just following the convention use in the rest of imx devices. See the
> > > > following comment at the top of the file:
> > > > 
> > > > /*
> > > >  * The naming convention for the pad modes is MX51_PAD_<padname>__<padmode>
> > > >  * If <padname> or <padmode> refers to a GPIO, it is named
> > > >  * GPIO_<unit>_<num> see also iomux-v3.h
> > > >  */
> > > > 
> > > > We could use the short names for pads being used in their "native mode".
> > > > But as soon as we use the pad in a different mode, such as
> > > > PAD_CSPI1_SCLK__GPIO_4_27 above, we'd need a different naming convention.
> > > > 
> > > > Regards,
> > > > Amit
> > > > 
> > > 
> > > I'm fine with MX51_PAD_CSPI1_SCLK__GPIO_4_27, but I don't care for
> > > MX51_PAD_GPIO_1_9__GPIO_1_9. How about changing the comment to
> > > 
> > >  /*
> > >   * The naming convention for the pad modes is MX51_PAD_<padname>
> > >   * or MX51_PAD_<padname>__<padmode> if padname != padmode.
> > >   * If <padname> or <padmode> refers to a GPIO, it is named
> > >   * GPIO_<unit>_<num> see also iomux-v3.h
> > >   */
> > 
> > If anything then MX51_PAD_GPIO_<unit>_<num>. I chose to use the long
> > name to get a consistent naming and to express the fact that the pad has
> > a name and the mode has a name which can but don't has to be the same.
> > 
> 
> So will you take a modified patch to reflect this new naming convention?

Unless there are strong opinions for short names I'd like to keep the
old naming scheme as it is also used for other i.MX SoCs.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |