rockchip: sdhci: rk3399: update driver to support of-platdata

Change some API in order to enable of-platdata.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/mmc/rockchip_sdhci.c

@@ -8,9 +8,11 @@
 
 #include <common.h>
 #include <dm.h>
+#include <dt-structs.h>
 #include <fdtdec.h>
 #include <libfdt.h>
 #include <malloc.h>
+#include <mapmem.h>
 #include <sdhci.h>
 #include <clk.h>
 
@@ -19,6 +21,9 @@ DECLARE_GLOBAL_DATA_PTR;
 #define EMMC_MIN_FREQ	400000
 
 struct rockchip_sdhc_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	struct dtd_rockchip_rk3399_sdhci_5_1 dtplat;
+#endif
 	struct mmc_config cfg;
 	struct mmc mmc;
 };
@@ -37,10 +42,18 @@ static int arasan_sdhci_probe(struct udevice *dev)
 	int max_frequency, ret;
 	struct clk clk;
 
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	struct dtd_rockchip_rk3399_sdhci_5_1 *dtplat = &plat->dtplat;
 
+	host->name = dev->name;
+	host->ioaddr = map_sysmem(dtplat->reg[1], dtplat->reg[3]);
+	max_frequency = dtplat->max_frequency;
+	ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &clk);
+#else
 	max_frequency = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
 			"max-frequency", 0);
 	ret = clk_get_by_index(dev, 0, &clk);
+#endif
 	if (!ret) {
 		ret = clk_set_rate(&clk, max_frequency);
 		if (IS_ERR_VALUE(ret))
@@ -66,10 +79,12 @@ static int arasan_sdhci_probe(struct udevice *dev)
 
 static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
 {
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	struct sdhci_host *host = dev_get_priv(dev);
 
 	host->name = dev->name;
 	host->ioaddr = dev_get_addr_ptr(dev);
+#endif
 
 	return 0;
 }
@@ -87,7 +102,7 @@ static const struct udevice_id arasan_sdhci_ids[] = {
 };
 
 U_BOOT_DRIVER(arasan_sdhci_drv) = {
-	.name		= "arasan_sdhci",
+	.name		= "rockchip_rk3399_sdhci_5_1",
 	.id		= UCLASS_MMC,
 	.of_match	= arasan_sdhci_ids,
 	.ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata,