diff options
Diffstat (limited to 'drivers/mmc/renesas-sdhi.c')
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 56a43ca7d3..8e49b2f73c 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -330,8 +330,10 @@ static const struct udevice_id renesas_sdhi_match[] = { static int renesas_sdhi_probe(struct udevice *dev) { + struct tmio_sd_priv *priv = dev_get_priv(dev); u32 quirks = dev_get_driver_data(dev); struct fdt_resource reg_res; + struct clk clk; DECLARE_GLOBAL_DATA_PTR; int ret; @@ -348,6 +350,27 @@ static int renesas_sdhi_probe(struct udevice *dev) quirks |= TMIO_SD_CAP_16BIT; } + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) { + dev_err(dev, "failed to get host clock\n"); + return ret; + } + + /* set to max rate */ + priv->mclk = clk_set_rate(&clk, ULONG_MAX); + if (IS_ERR_VALUE(priv->mclk)) { + dev_err(dev, "failed to set rate for host clock\n"); + clk_free(&clk); + return priv->mclk; + } + + ret = clk_enable(&clk); + clk_free(&clk); + if (ret) { + dev_err(dev, "failed to enable host clock\n"); + return ret; + } + ret = tmio_sd_probe(dev, quirks); #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) if (!ret) |