1 files changed, 47 insertions, 12 deletions

diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
index 7f78f9409ddd..56512c0368f9 100644
--- a/drivers/mtd/spi-nor/cadence-quadspi.c
+++ b/drivers/mtd/spi-nor/cadence-quadspi.c
@@ -44,6 +44,12 @@
 /* Quirks */
 #define CQSPI_NEEDS_WR_DELAY		BIT(0)
 
+/* Capabilities mask */
+#define CQSPI_BASE_HWCAPS_MASK					\
+	(SNOR_HWCAPS_READ | SNOR_HWCAPS_READ_FAST |		\
+	SNOR_HWCAPS_READ_1_1_2 | SNOR_HWCAPS_READ_1_1_4 |	\
+	SNOR_HWCAPS_PP)
+
 struct cqspi_st;
 
 struct cqspi_flash_pdata {
@@ -93,6 +99,11 @@ struct cqspi_st {
 	struct cqspi_flash_pdata f_pdata[CQSPI_MAX_CHIPSELECT];
 };
 
+struct cqspi_driver_platdata {
+	u32 hwcaps_mask;
+	u8 quirks;
+};
+
 /* Operation timeout value */
 #define CQSPI_TIMEOUT_MS			500
 #define CQSPI_READ_TIMEOUT_MS			10
@@ -101,6 +112,7 @@ struct cqspi_st {
 #define CQSPI_INST_TYPE_SINGLE			0
 #define CQSPI_INST_TYPE_DUAL			1
 #define CQSPI_INST_TYPE_QUAD			2
+#define CQSPI_INST_TYPE_OCTAL			3
 
 #define CQSPI_DUMMY_CLKS_PER_BYTE		8
 #define CQSPI_DUMMY_BYTES_MAX			4
@@ -920,6 +932,9 @@ static int cqspi_set_protocol(struct spi_nor *nor, const int read)
 		case SNOR_PROTO_1_1_4:
 			f_pdata->data_width = CQSPI_INST_TYPE_QUAD;
 			break;
+		case SNOR_PROTO_1_1_8:
+			f_pdata->data_width = CQSPI_INST_TYPE_OCTAL;
+			break;
 		default:
 			return -EINVAL;
 		}
@@ -1222,21 +1237,23 @@ static void cqspi_request_mmap_dma(struct cqspi_st *cqspi)
 
 static int cqspi_setup_flash(struct cqspi_st *cqspi, struct device_node *np)
 {
-	const struct spi_nor_hwcaps hwcaps = {
-		.mask = SNOR_HWCAPS_READ |
-			SNOR_HWCAPS_READ_FAST |
-			SNOR_HWCAPS_READ_1_1_2 |
-			SNOR_HWCAPS_READ_1_1_4 |
-			SNOR_HWCAPS_PP,
-	};
 	struct platform_device *pdev = cqspi->pdev;
 	struct device *dev = &pdev->dev;
+	const struct cqspi_driver_platdata *ddata;
+	struct spi_nor_hwcaps hwcaps;
 	struct cqspi_flash_pdata *f_pdata;
 	struct spi_nor *nor;
 	struct mtd_info *mtd;
 	unsigned int cs;
 	int i, ret;
 
+	ddata = of_device_get_match_data(dev);
+	if (!ddata) {
+		dev_err(dev, "Couldnt't find driver data\n");
+		return -EINVAL;
+	}
+	hwcaps.mask = ddata->hwcaps_mask;
+
 	/* Get flash device data */
 	for_each_available_child_of_node(dev->of_node, np) {
 		ret = of_property_read_u32(np, "reg", &cs);
@@ -1319,7 +1336,7 @@ static int cqspi_probe(struct platform_device *pdev)
 	struct cqspi_st *cqspi;
 	struct resource *res;
 	struct resource *res_ahb;
-	unsigned long data;
+	const struct cqspi_driver_platdata *ddata;
 	int ret;
 	int irq;
 
@@ -1386,8 +1403,8 @@ static int cqspi_probe(struct platform_device *pdev)
 	}
 
 	cqspi->master_ref_clk_hz = clk_get_rate(cqspi->clk);
-	data  = (unsigned long)of_device_get_match_data(dev);
-	if (data & CQSPI_NEEDS_WR_DELAY)
+	ddata  = of_device_get_match_data(dev);
+	if (ddata && (ddata->quirks & CQSPI_NEEDS_WR_DELAY))
 		cqspi->wr_delay = 5 * DIV_ROUND_UP(NSEC_PER_SEC,
 						   cqspi->master_ref_clk_hz);
 
@@ -1469,14 +1486,32 @@ static const struct dev_pm_ops cqspi__dev_pm_ops = {
 #define CQSPI_DEV_PM_OPS	NULL
 #endif
 
+static const struct cqspi_driver_platdata cdns_qspi = {
+	.hwcaps_mask = CQSPI_BASE_HWCAPS_MASK,
+};
+
+static const struct cqspi_driver_platdata k2g_qspi = {
+	.hwcaps_mask = CQSPI_BASE_HWCAPS_MASK,
+	.quirks = CQSPI_NEEDS_WR_DELAY,
+};
+
+static const struct cqspi_driver_platdata am654_ospi = {
+	.hwcaps_mask = CQSPI_BASE_HWCAPS_MASK | SNOR_HWCAPS_READ_1_1_8,
+	.quirks = CQSPI_NEEDS_WR_DELAY,
+};
+
 static const struct of_device_id cqspi_dt_ids[] = {
 	{
 		.compatible = "cdns,qspi-nor",
-		.data = (void *)0,
+		.data = &cdns_qspi,
 	},
 	{
 		.compatible = "ti,k2g-qspi",
-		.data = (void *)CQSPI_NEEDS_WR_DELAY,
+		.data = &k2g_qspi,
+	},
+	{
+		.compatible = "ti,am654-ospi",
+		.data = &am654_ospi,
 	},
 	{ /* end of table */ }
 };