This commit adds support for device tree and enumeration via device model
for the Vybrid's NFC NAND driver.
Signed-off-by: Lukasz Majewski <lu...@denx.de>
---
drivers/mtd/nand/raw/vf610_nfc.c | 47 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c
index 619d0403e9..fce7e5f299 100644
--- a/drivers/mtd/nand/raw/vf610_nfc.c
+++ b/drivers/mtd/nand/raw/vf610_nfc.c
@@ -31,6 +31,11 @@
#include <nand.h>
#include <errno.h>
#include <asm/io.h>
+#if CONFIG_NAND_VF610_NFC_DT
+#include <dm.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#endif
/* Register Offsets */
#define NFC_FLASH_CMD1 0x3F00
@@ -760,9 +765,51 @@ error:
return err;
}
+#if CONFIG_NAND_VF610_NFC_DT
+static const struct udevice_id vf610_nfc_dt_ids[] = {
+ {
+ .compatible = "fsl,vf610-nfc",
+ },
+ { /* sentinel */ }
+};
+
+static int vf610_nfc_dt_probe(struct udevice *dev)
+{
+ struct resource res;
+ int ret;
+
+ ret = dev_read_resource(dev, 0, &res);
+ if (ret)
+ return ret;
+
+ return vf610_nfc_nand_init(0, devm_ioremap(dev, res.start,
+ resource_size(&res)));
+}
+
+U_BOOT_DRIVER(vf610_nfc_dt) = {
+ .name = "vf610-nfc-dt",
+ .id = UCLASS_MTD,
+ .of_match = vf610_nfc_dt_ids,
+ .probe = vf610_nfc_dt_probe,
+};
+
+void board_nand_init(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_MTD,
+ DM_GET_DRIVER(vf610_nfc_dt),
+ &dev);
+ if (ret && ret != -ENODEV)
+ pr_err("Failed to initialize NAND controller. (error %d)\n",
+ ret);
+}
+#else
void board_nand_init(void)
{
int err = vf610_nfc_nand_init(0, (void __iomem *)CONFIG_SYS_NAND_BASE);
if (err)
printf("VF610 NAND init failed (err %d)\n", err);
}
+#endif /* CONFIG_NAND_VF610_NFC_DT */
--
2.11.0
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