diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 0cffc705bfe3..efffd36c8d77 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -1156,8 +1156,14 @@ static int meson_mmc_probe(struct platform_device *pdev) if (ret) goto free_host; + /* + * Set phases : These values are mostly the datasheet recommended ones + * except for the Tx phase. Datasheet recommends 180 but some cards + * fail at initialisation with it. 270 works just fine, it fixes these + * initialisation issues and enable eMMC DDR52 mode. + */ host->tp.core_phase = 180; - host->tp.tx_phase = 0; + host->tp.tx_phase = 270; host->tp.rx_phase = 0; ret = meson_mmc_clk_init(host); |