mmc: sunxi: Enable eMMC HS-DDR (MMC_CAP_1_8V_DDR) support
authorChen-Yu Tsai <wens@csie.org>
Fri, 29 Jan 2016 17:21:48 +0000 (01:21 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 29 Feb 2016 10:02:58 +0000 (11:02 +0100)
Now that clock delay settings for 8 bit DDR are correct, and vqmmc
support is available, we can enable MMC_CAP_1_8V_DDR support. This
enables MMC HS-DDR at up to 52 MHz, even if signal voltage switching
is not available.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sunxi-mmc.c

index bb45926..2aee17c 100644 (file)
@@ -1131,6 +1131,7 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
        mmc->f_min              =   400000;
        mmc->f_max              = 52000000;
        mmc->caps              |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                 MMC_CAP_1_8V_DDR |
                                  MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
 
        ret = mmc_of_parse(mmc);