diff options
| -rw-r--r-- | arch/arm/mach-omap2/hsmmc.c | 27 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mmc.h | 4 |
2 files changed, 25 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index 9ad2295..2d36f3a 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -139,6 +139,12 @@ static void hsmmc23_before_set_reg(struct device *dev, int slot, } } +static int nop_mmc_set_power(struct device *dev, int slot, int power_on, + int vdd) +{ + return 0; +} + static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata; void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) @@ -216,11 +222,18 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) */ mmc->slots[0].ocr_mask = c->ocr_mask; + if (cpu_is_omap3517() || cpu_is_omap3505()) + mmc->slots[0].set_power = nop_mmc_set_power; + else + mmc->slots[0].features |= HSMMC_HAS_PBIAS; + switch (c->mmc) { case 1: - /* on-chip level shifting via PBIAS0/PBIAS1 */ - mmc->slots[0].before_set_reg = hsmmc1_before_set_reg; - mmc->slots[0].after_set_reg = hsmmc1_after_set_reg; + if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { + /* on-chip level shifting via PBIAS0/PBIAS1 */ + mmc->slots[0].before_set_reg = hsmmc1_before_set_reg; + mmc->slots[0].after_set_reg = hsmmc1_after_set_reg; + } /* Omap3630 HSMMC1 supports only 4-bit */ if (cpu_is_omap3630() && c->wires > 4) { @@ -235,9 +248,11 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) c->wires = 4; /* FALLTHROUGH */ case 3: - /* off-chip level shifting, or none */ - mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; - mmc->slots[0].after_set_reg = NULL; + if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { + /* off-chip level shifting, or none */ + mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; + mmc->slots[0].after_set_reg = NULL; + } break; default: pr_err("MMC%d configuration not supported!\n", c->mmc); diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index a1bac07..c835f1e 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -102,6 +102,10 @@ struct omap_mmc_platform_data { /* Regulator off remapped to sleep */ unsigned vcc_aux_disable_is_sleep:1; + /* we can put the features above into this variable */ +#define HSMMC_HAS_PBIAS (1 << 0) + unsigned features; + int switch_pin; /* gpio (card detect) */ int gpio_wp; /* gpio (write protect) */ |