dm: mmc: zynq: Convert zynq to use driver model for MMC

Move zynq to the latest driver model support by enabling CONFIG_DM_MMC,
CONFIG_DM_MMC_OPS and CONFIG_BLK.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/Kconfig

@@ -657,11 +657,13 @@ config ARCH_ZYNQ
 	select DM_GPIO
 	select SPL_DM if SPL
 	select DM_MMC
+	select DM_MMC_OPS
 	select DM_SPI
 	select DM_SERIAL
 	select DM_SPI_FLASH
 	select SPL_SEPARATE_BSS if SPL
 	select DM_USB if USB
+	select BLK
 
 config ARCH_ZYNQMP
 	bool "Support Xilinx ZynqMP Platform"
@@ -673,6 +675,9 @@ config ARCH_ZYNQMP
 	select CLK
 	select SPL_CLK
 	select DM_USB if USB
+	select DM_MMC
+	select DM_MMC_OPS
+	select BLK
 
 config TEGRA
 	bool "NVIDIA Tegra"

drivers/mmc/zynq_sdhci.c

@@ -17,10 +17,18 @@
 # define CONFIG_ZYNQ_SDHCI_MIN_FREQ	0
 #endif
 
+struct arasan_sdhci_plat {
+	struct mmc_config cfg;
+	struct mmc mmc;
+};
+
 static int arasan_sdhci_probe(struct udevice *dev)
 {
+	struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
 	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
 	struct sdhci_host *host = dev_get_priv(dev);
+	u32 caps;
+	int ret;
 
 	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD |
 		       SDHCI_QUIRK_BROKEN_R1B;
@@ -31,13 +39,19 @@ static int arasan_sdhci_probe(struct udevice *dev)
 
 	host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
 
-	add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ,
+	caps = sdhci_readl(host, SDHCI_CAPABILITIES);
-		  CONFIG_ZYNQ_SDHCI_MIN_FREQ);
+	ret = sdhci_setup_cfg(&plat->cfg, dev->name, host->bus_width,
-
+			      caps, CONFIG_ZYNQ_SDHCI_MAX_FREQ,
-	upriv->mmc = host->mmc;
+			      CONFIG_ZYNQ_SDHCI_MIN_FREQ, host->version,
+			      host->quirks, 0);
+	host->mmc = &plat->mmc;
+	if (ret)
+		return ret;
+	host->mmc->priv = host;
 	host->mmc->dev = dev;
+	upriv->mmc = host->mmc;
 
-	return 0;
+	return sdhci_probe(dev);
 }
 
 static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
@@ -50,6 +64,18 @@ static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev)
 	return 0;
 }
 
+static int arasan_sdhci_bind(struct udevice *dev)
+{
+	struct arasan_sdhci_plat *plat = dev_get_platdata(dev);
+	int ret;
+
+	ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 static const struct udevice_id arasan_sdhci_ids[] = {
 	{ .compatible = "arasan,sdhci-8.9a" },
 	{ }
@@ -60,6 +86,9 @@ U_BOOT_DRIVER(arasan_sdhci_drv) = {
 	.id		= UCLASS_MMC,
 	.of_match	= arasan_sdhci_ids,
 	.ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata,
+	.ops		= &sdhci_ops,
+	.bind		= arasan_sdhci_bind,
 	.probe		= arasan_sdhci_probe,
 	.priv_auto_alloc_size = sizeof(struct sdhci_host),
+	.platdata_auto_alloc_size = sizeof(struct arasan_sdhci_plat),
 };