[PATCH 06/11] ARM: pxa: Colibri PXA320 PCMCIA driver

[Marek Vasut]

Dne Po 20. září 2010 16:43:33 Eric Miao napsal(a):
> On Thu, Sep 16, 2010 at 10:32 AM, Marek Vasut <marek.vasut at gmail.com> wrote:
> > Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> > Acked-by: Daniel Mack <daniel at caiaq.de>
> > ---
> >  arch/arm/mach-pxa/colibri-pxa320.c |   21 +++++++++++++++++++++
> >  drivers/pcmcia/Kconfig             |    3 ++-
> >  drivers/pcmcia/Makefile            |    1 +
> >  drivers/pcmcia/pxa2xx_colibri.c    |   17 ++++++++++++++++-
> >  4 files changed, 40 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/mach-pxa/colibri-pxa320.c
> > b/arch/arm/mach-pxa/colibri-pxa320.c index 7c003cd..6cd83fa 100644
> > --- a/arch/arm/mach-pxa/colibri-pxa320.c
> > +++ b/arch/arm/mach-pxa/colibri-pxa320.c
> > @@ -73,6 +73,27 @@ static mfp_cfg_t colibri_pxa320_evalboard_pin_config[]
> > __initdata = { /* I2C */
> >        GPIO32_I2C_SCL,
> >        GPIO33_I2C_SDA,
> > +
> > +       /* PCMCIA */
> > +       MFP_CFG(GPIO59, AF7),   /* PRST ; AF7 to tristate */
> > +       MFP_CFG(GPIO61, AF7),   /* PCE1 ; AF7 to tristate */
> > +       MFP_CFG(GPIO60, AF7),   /* PCE2 ; AF7 to tristate */
> > +       MFP_CFG(GPIO62, AF7),   /* PCD ; AF7 to tristate */
> > +       MFP_CFG(GPIO56, AF7),   /* PSKTSEL ; AF7 to tristate */
> 
> If this is useful for other platforms, making them macros would be helpful.
> 
> And using MFP_CFG() directly is not encouraged, any specific reason
> to use this?

Because the board is fuxed. This is really a board specific thing, that's why 
it's done in this obscure way. It's done according to my discussion with Tdex.

Cheers

> 
> > +       GPIO27_GPIO,            /* RDnWR ; input/tristate */
> > +       GPIO50_GPIO,            /* PREG ; input/tristate */
> > +       GPIO2_RDY,
> > +       GPIO5_NPIOR,
> > +       GPIO6_NPIOW,
> > +       GPIO7_NPIOS16,
> > +       GPIO8_NPWAIT,
> > +       GPIO29_GPIO,            /* PRDY (READY GPIO) */
> > +       GPIO57_GPIO,            /* PPEN (POWER GPIO) */
> > +       GPIO81_GPIO,            /* PCD (DETECT GPIO) */
> > +       GPIO77_GPIO,            /* PRST (RESET GPIO) */
> > +       GPIO53_GPIO,            /* PBVD1 */
> > +       GPIO79_GPIO,            /* PBVD2 */
> > +       GPIO54_GPIO,            /* POE */
> >  };
> >  #else
> >  static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {};
> > diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
> > index e9acf03..de886f3 100644
> > --- a/drivers/pcmcia/Kconfig
> > +++ b/drivers/pcmcia/Kconfig
> > @@ -215,7 +215,8 @@ config PCMCIA_PXA2XX
> >        depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
> >                    || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
> >                    || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2
> > \ -                   || MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI)
> > +                   || MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI \ +
> >                   || MACH_COLIBRI320)
> >        select PCMCIA_SOC_COMMON
> >        help
> >          Say Y here to include support for the PXA2xx PCMCIA controller
> > diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
> > index 2fee7ef..9a44a90 100644
> > --- a/drivers/pcmcia/Makefile
> > +++ b/drivers/pcmcia/Makefile
> > @@ -71,6 +71,7 @@ pxa2xx-obj-$(CONFIG_MACH_STARGATE2)           +=
> > pxa2xx_stargate2.o pxa2xx-obj-$(CONFIG_MACH_VPAC270)              +=
> > pxa2xx_vpac270.o pxa2xx-obj-$(CONFIG_MACH_BALLOON3)             +=
> > pxa2xx_balloon3.o pxa2xx-obj-$(CONFIG_MACH_COLIBRI)              +=
> > pxa2xx_colibri.o +pxa2xx-obj-$(CONFIG_MACH_COLIBRI320)           +=
> > pxa2xx_colibri.o
> > 
> >  obj-$(CONFIG_PCMCIA_PXA2XX)                    += pxa2xx_base.o
> > $(pxa2xx-obj-y)
> > 
> > diff --git a/drivers/pcmcia/pxa2xx_colibri.c
> > b/drivers/pcmcia/pxa2xx_colibri.c index 4ed876c..c3f7219 100644
> > --- a/drivers/pcmcia/pxa2xx_colibri.c
> > +++ b/drivers/pcmcia/pxa2xx_colibri.c
> > @@ -27,6 +27,13 @@
> >  #define        COLIBRI270_DETECT_GPIO  84
> >  #define        COLIBRI270_READY_GPIO   1
> > 
> > +#define        COLIBRI320_RESET_GPIO   77
> > +#define        COLIBRI320_PPEN_GPIO    57
> > +#define        COLIBRI320_BVD1_GPIO    53
> > +#define        COLIBRI320_BVD2_GPIO    79
> > +#define        COLIBRI320_DETECT_GPIO  81
> > +#define        COLIBRI320_READY_GPIO   29
> > +
> >  static struct {
> >        int     reset_gpio;
> >        int     ppen_gpio;
> > @@ -186,6 +193,14 @@ static int __init colibri_pcmcia_init(void)
> >                colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI270_BVD2_GPIO;
> >                colibri_pcmcia_gpio.detect_gpio = COLIBRI270_DETECT_GPIO;
> >                colibri_pcmcia_gpio.ready_gpio  = COLIBRI270_READY_GPIO;
> > +       /* Colibri PXA320 */
> > +       } else if (machine_is_colibri320()) {
> > +               colibri_pcmcia_gpio.reset_gpio  = COLIBRI320_RESET_GPIO;
> > +               colibri_pcmcia_gpio.ppen_gpio   = COLIBRI320_PPEN_GPIO;
> > +               colibri_pcmcia_gpio.bvd1_gpio   = COLIBRI320_BVD1_GPIO;
> > +               colibri_pcmcia_gpio.bvd2_gpio   = COLIBRI320_BVD2_GPIO;
> > +               colibri_pcmcia_gpio.detect_gpio = COLIBRI320_DETECT_GPIO;
> > +               colibri_pcmcia_gpio.ready_gpio  = COLIBRI320_READY_GPIO;
> >        }
> > 
> >        ret = platform_device_add_data(colibri_pcmcia_device,
> > @@ -209,6 +224,6 @@ module_init(colibri_pcmcia_init);
> >  module_exit(colibri_pcmcia_exit);
> > 
> >  MODULE_AUTHOR("Marek Vasut <marek.vasut at gmail.com>");
> > -MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270");
> > +MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270/PXA320");
> >  MODULE_ALIAS("platform:pxa2xx-pcmcia");
> >  MODULE_LICENSE("GPL");
> > --
> > 1.7.1