1 files changed, 80 insertions, 16 deletions

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index a40bcc27f187..142c4b802f31 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -107,6 +107,11 @@ struct sdhci_arasan_data {
 #define SDHCI_ARASAN_QUIRK_CLOCK_UNSTABLE BIT(1)
 };
 
+struct sdhci_arasan_of_data {
+	const struct sdhci_arasan_soc_ctl_map *soc_ctl_map;
+	const struct sdhci_pltfm_data *pdata;
+};
+
 static const struct sdhci_arasan_soc_ctl_map rk3399_soc_ctl_map = {
 	.baseclkfreq = { .reg = 0xf000, .width = 8, .shift = 8 },
 	.clockmultiplier = { .reg = 0xf02c, .width = 8, .shift = 0},
@@ -226,6 +231,25 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
 	}
 }
 
+static void sdhci_arasan_am654_set_clock(struct sdhci_host *host,
+					 unsigned int clock)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
+
+	if (sdhci_arasan->is_phy_on) {
+		phy_power_off(sdhci_arasan->phy);
+		sdhci_arasan->is_phy_on = false;
+	}
+
+	sdhci_set_clock(host, clock);
+
+	if (clock > PHY_CLK_TOO_SLOW_HZ) {
+		phy_power_on(sdhci_arasan->phy);
+		sdhci_arasan->is_phy_on = true;
+	}
+}
+
 static void sdhci_arasan_hs400_enhanced_strobe(struct mmc_host *mmc,
 					struct mmc_ios *ios)
 {
@@ -307,6 +331,33 @@ static const struct sdhci_pltfm_data sdhci_arasan_pdata = {
 			SDHCI_QUIRK2_STOP_WITH_TC,
 };
 
+static struct sdhci_arasan_of_data sdhci_arasan_data = {
+	.pdata = &sdhci_arasan_pdata,
+};
+
+static const struct sdhci_ops sdhci_arasan_am654_ops = {
+	.set_clock = sdhci_arasan_am654_set_clock,
+	.get_max_clock = sdhci_pltfm_clk_get_max_clock,
+	.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
+	.set_bus_width = sdhci_set_bus_width,
+	.reset = sdhci_arasan_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
+};
+
+static const struct sdhci_pltfm_data sdhci_arasan_am654_pdata = {
+	.ops = &sdhci_arasan_am654_ops,
+	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN  |
+		  SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
+		  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+		   SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+		   SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400,
+};
+
+static const struct sdhci_arasan_of_data sdhci_arasan_am654_data = {
+	.pdata = &sdhci_arasan_am654_pdata,
+};
+
 static u32 sdhci_arasan_cqhci_irq(struct sdhci_host *host, u32 intmask)
 {
 	int cmd_error = 0;
@@ -363,6 +414,11 @@ static const struct sdhci_pltfm_data sdhci_arasan_cqe_pdata = {
 			SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
 };
 
+static struct sdhci_arasan_of_data sdhci_arasan_rk3399_data = {
+	.soc_ctl_map = &rk3399_soc_ctl_map,
+	.pdata = &sdhci_arasan_cqe_pdata,
+};
+
 #ifdef CONFIG_PM_SLEEP
 /**
  * sdhci_arasan_suspend - Suspend method for the driver
@@ -462,14 +518,25 @@ static const struct of_device_id sdhci_arasan_of_match[] = {
 	/* SoC-specific compatible strings w/ soc_ctl_map */
 	{
 		.compatible = "rockchip,rk3399-sdhci-5.1",
-		.data = &rk3399_soc_ctl_map,
+		.data = &sdhci_arasan_rk3399_data,
+	},
+	{
+		.compatible = "ti,am654-sdhci-5.1",
+		.data = &sdhci_arasan_am654_data,
 	},
-
 	/* Generic compatible below here */
-	{ .compatible = "arasan,sdhci-8.9a" },
-	{ .compatible = "arasan,sdhci-5.1" },
-	{ .compatible = "arasan,sdhci-4.9a" },
-
+	{
+		.compatible = "arasan,sdhci-8.9a",
+		.data = &sdhci_arasan_data,
+	},
+	{
+		.compatible = "arasan,sdhci-5.1",
+		.data = &sdhci_arasan_data,
+	},
+	{
+		.compatible = "arasan,sdhci-4.9a",
+		.data = &sdhci_arasan_data,
+	},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, sdhci_arasan_of_match);
@@ -707,14 +774,11 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
 	struct sdhci_pltfm_host *pltfm_host;
 	struct sdhci_arasan_data *sdhci_arasan;
 	struct device_node *np = pdev->dev.of_node;
-	const struct sdhci_pltfm_data *pdata;
-
-	if (of_device_is_compatible(pdev->dev.of_node, "arasan,sdhci-5.1"))
-		pdata = &sdhci_arasan_cqe_pdata;
-	else
-		pdata = &sdhci_arasan_pdata;
+	const struct sdhci_arasan_of_data *data;
 
-	host = sdhci_pltfm_init(pdev, pdata, sizeof(*sdhci_arasan));
+	match = of_match_node(sdhci_arasan_of_match, pdev->dev.of_node);
+	data = match->data;
+	host = sdhci_pltfm_init(pdev, data->pdata, sizeof(*sdhci_arasan));
 
 	if (IS_ERR(host))
 		return PTR_ERR(host);
@@ -723,8 +787,7 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
 	sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
 	sdhci_arasan->host = host;
 
-	match = of_match_node(sdhci_arasan_of_match, pdev->dev.of_node);
-	sdhci_arasan->soc_ctl_map = match->data;
+	sdhci_arasan->soc_ctl_map = data->soc_ctl_map;
 
 	node = of_parse_phandle(pdev->dev.of_node, "arasan,soc-ctl-syscon", 0);
 	if (node) {
@@ -788,7 +851,8 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
 
 	ret = mmc_of_parse(host->mmc);
 	if (ret) {
-		dev_err(&pdev->dev, "parsing dt failed (%d)\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "parsing dt failed (%d)\n", ret);
 		goto unreg_clk;
 	}