X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Frockchip_sdhci.c;h=13588647014c8846cfcacc5f0220e1e7ade8f2d2;hb=f77309d34325369dbdf0bf62387c9e974f1b37da;hp=c56e1a3a1c5ba5afb0f3e0cecfb8e0e82b6b0d66;hpb=cbe7706ab8aab06c18edaa9b120371f9c8012728;p=u-boot

diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
index c56e1a3a1c..1358864701 100644
--- a/drivers/mmc/rockchip_sdhci.c
+++ b/drivers/mmc/rockchip_sdhci.c
@@ -12,7 +12,9 @@
 #include <libfdt.h>
 #include <malloc.h>
 #include <sdhci.h>
+#include <clk.h>
 
+DECLARE_GLOBAL_DATA_PTR;
 /* 400KHz is max freq for card ID etc. Use that as min */
 #define EMMC_MIN_FREQ	400000
 
@@ -32,12 +34,25 @@ static int arasan_sdhci_probe(struct udevice *dev)
 	struct rockchip_sdhc_plat *plat = dev_get_platdata(dev);
 	struct rockchip_sdhc *prv = dev_get_priv(dev);
 	struct sdhci_host *host = &prv->host;
-	int ret;
+	int max_frequency, ret;
+	struct clk clk;
+
+
+	max_frequency = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+			"max-frequency", 0);
+	ret = clk_get_by_index(dev, 0, &clk);
+	if (!ret) {
+		ret = clk_set_rate(&clk, max_frequency);
+		if (IS_ERR_VALUE(ret))
+			printf("%s clk set rate fail!\n", __func__);
+	} else {
+		printf("%s fail to get clk\n", __func__);
+	}
 
 	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;
+	host->max_clk = max_frequency;
 
-	ret = sdhci_setup_cfg(&plat->cfg, host, CONFIG_ROCKCHIP_SDHCI_MAX_FREQ,
-			EMMC_MIN_FREQ);
+	ret = sdhci_setup_cfg(&plat->cfg, host, 0, EMMC_MIN_FREQ);
 
 	host->mmc = &plat->mmc;
 	if (ret)