Re: [PATCH 15/22] pinctrl: sunxi: Add A23 PIO controller support

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Hi,

On Tue, Jun 17, 2014 at 06:25:14PM +0800, Chen-Yu Tsai wrote:
> Hi,
> 
> On Mon, May 26, 2014 at 3:08 AM, Maxime Ripard
> <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> > On Fri, May 23, 2014 at 03:51:18PM +0800, Chen-Yu Tsai wrote:
> >> The A23 uses the same pin controller as previous SoC's from Allwinner.
> >> Add support for the pins controlled by the main PIO controller.
> >>
> >> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> >> ---
> >>  .../bindings/pinctrl/allwinner,sunxi-pinctrl.txt   |   2 +
> >>  drivers/pinctrl/sunxi/Kconfig                      |   4 +
> >>  drivers/pinctrl/sunxi/Makefile                     |   1 +
> >>  drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c          | 562 +++++++++++++++++++++
> >>  4 files changed, 569 insertions(+)
> >>  create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c
> >>
> >> diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
> >> index d8d0656..93ce12e 100644
> >> --- a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
> >> +++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
> >> @@ -13,6 +13,8 @@ Required properties:
> >>    "allwinner,sun6i-a31-pinctrl"
> >>    "allwinner,sun6i-a31-r-pinctrl"
> >>    "allwinner,sun7i-a20-pinctrl"
> >> +  "allwinner,sun8i-a23-pinctrl"
> >> +  "allwinner,sun8i-a23-r-pinctrl"
> >
> > This last line belongs in the R_PIO patch :)
> >
> >>  - reg: Should contain the register physical address and length for the
> >>    pin controller.
> >>
> >> diff --git a/drivers/pinctrl/sunxi/Kconfig b/drivers/pinctrl/sunxi/Kconfig
> >> index da1e830..17a4281 100644
> >> --- a/drivers/pinctrl/sunxi/Kconfig
> >> +++ b/drivers/pinctrl/sunxi/Kconfig
> >> @@ -32,4 +32,8 @@ config PINCTRL_SUN7I_A20
> >>       def_bool PINCTRL_SUNXI || MACH_SUN7I
> >>       select PINCTRL_SUNXI_COMMON
> >>
> >> +config PINCTRL_SUN8I_A23
> >> +       def_bool PINCTRL_SUNXI || MACH_SUN8I
> >> +       select PINCTRL_SUNXI_COMMON
> >
> > Since it's going to be merged in 3.16, you can just depend on MACH_SUN8I.
> 
> Just want to make sure before I send v2 of the whole series, this should be
> 
>         def_bool MACH_SUN8I
>         select PINCTRL_SUNXI_COMMON
> 
> correct?
> 
> Or should it be
> 
>         bool
>         depends on MACH_SUN8I
>         select PINCTRL_SUNXI_COMMON
> 
> and MACH_SUN8I selects PINCTRL_SUN8I_A23
> 
> I'm not sure what the transition plan was.

The former.

> 
> >>  endif
> 
> [...]
> 
> v2 will also have EINT support.

Cool :)

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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