ARM: OMAP2+: Convert NAND to retrieve GPMC settings from DT

When booting with device-tree, retrieve GPMC settings for NAND from
the device-tree blob. This will allow us to remove all static settings
stored in the gpmc-nand.c in the future once the migration to
device-tree is complete.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>

diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 12e9753..d9c2719 100644 (file)
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -137,12 +137,16 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
                        return err;
                }
 
-               s.device_nand = true;
-
-               /* Enable RD PIN Monitoring Reg */
-               if (gpmc_nand_data->dev_ready) {
-                       s.wait_on_read = true;
-                       s.wait_on_write = true;
+               if (gpmc_nand_data->of_node) {
+                       gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
+               } else {
+                       s.device_nand = true;
+
+                       /* Enable RD PIN Monitoring Reg */
+                       if (gpmc_nand_data->dev_ready) {
+                               s.wait_on_read = true;
+                               s.wait_on_write = true;
+                       }
                }
 
                if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16)