[PATCH V2 15/16] OMAP: hsmmc: add platform data for eMMC hardware reset gpio
Tony Lindgren
tony at atomide.com
Thu May 12 06:38:27 EDT 2011
* Adrian Hunter <adrian.hunter at nokia.com> [110506 02:11]:
> eMMC may have a hardware reset line connected to a gpio,
> so pass it to the driver.
>
> Signed-off-by: Adrian Hunter <adrian.hunter at nokia.com>
This looks safe to merge via MMC list:
Acked-by: Tony Lindgren <tony at atomide.com>
> ---
> arch/arm/mach-omap2/hsmmc.c | 5 +++++
> arch/arm/mach-omap2/hsmmc.h | 1 +
> arch/arm/plat-omap/include/plat/mmc.h | 1 +
> 3 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
> index c37ba4f..a8078c1 100644
> --- a/arch/arm/mach-omap2/hsmmc.c
> +++ b/arch/arm/mach-omap2/hsmmc.c
> @@ -472,6 +472,11 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
> mmc->slots[0].switch_pin = c->gpio_cd;
> mmc->slots[0].gpio_wp = c->gpio_wp;
>
> + if (c->gpio_hw_reset)
> + mmc->slots[0].gpio_hw_reset = c->gpio_hw_reset;
> + else
> + mmc->slots[0].gpio_hw_reset = -EINVAL;
> +
> mmc->slots[0].remux = c->remux;
> mmc->slots[0].init_card = c->init_card;
>
> diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
> index 0f2a87e..b78ed41 100644
> --- a/arch/arm/mach-omap2/hsmmc.h
> +++ b/arch/arm/mach-omap2/hsmmc.h
> @@ -22,6 +22,7 @@ struct omap2_hsmmc_info {
> bool nomux; /* No default muxing for this slot */
> int gpio_cd; /* or -EINVAL */
> int gpio_wp; /* or -EINVAL */
> + int gpio_hw_reset; /* hardware reset */
> char *name; /* or NULL for default */
> struct device *dev; /* returned: pointer to mmc adapter */
> int ocr_mask; /* temporary HACK */
> diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
> index e3c9b20..9b69b7e 100644
> --- a/arch/arm/plat-omap/include/plat/mmc.h
> +++ b/arch/arm/plat-omap/include/plat/mmc.h
> @@ -119,6 +119,7 @@ struct omap_mmc_platform_data {
>
> int switch_pin; /* gpio (card detect) */
> int gpio_wp; /* gpio (write protect) */
> + int gpio_hw_reset; /* gpio (hardware reset) */
>
> int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
> int (*set_power)(struct device *dev, int slot,
> --
> 1.7.0.4
>
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