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-rw-r--r--Documentation/devicetree/bindings/mtd/gpmc-onenand.txt3
-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.c21
2 files changed, 18 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
index deec9da224a2..b7529424ac88 100644
--- a/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
@@ -10,6 +10,8 @@ Documentation/devicetree/bindings/bus/ti-gpmc.txt
Required properties:
- reg: The CS line the peripheral is connected to
+ - gpmc,device-width Width of the ONENAND device connected to the GPMC
+ in bytes. Must be 1 or 2.
Optional properties:
@@ -34,6 +36,7 @@ Example for an OMAP3430 board:
onenand@0 {
reg = <0 0 0>; /* CS0, offset 0 */
+ gpmc,device-width = <2>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 46aac83d73d4..64b5a8346982 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -272,6 +272,10 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base)
struct gpmc_timings t;
int ret;
+ if (gpmc_onenand_data->of_node)
+ gpmc_read_settings_dt(gpmc_onenand_data->of_node,
+ &onenand_async);
+
omap2_onenand_set_async_mode(onenand_base);
omap2_onenand_calc_async_timings(&t);
@@ -300,12 +304,17 @@ static int omap2_onenand_setup_sync(void __iomem *onenand_base, int *freq_ptr)
set_onenand_cfg(onenand_base);
}
- /*
- * FIXME: Appears to be legacy code from initial ONENAND commit.
- * Unclear what boards this is for and if this can be removed.
- */
- if (!cpu_is_omap34xx())
- onenand_sync.wait_on_read = true;
+ if (gpmc_onenand_data->of_node) {
+ gpmc_read_settings_dt(gpmc_onenand_data->of_node,
+ &onenand_sync);
+ } else {
+ /*
+ * FIXME: Appears to be legacy code from initial ONENAND commit.
+ * Unclear what boards this is for and if this can be removed.
+ */
+ if (!cpu_is_omap34xx())
+ onenand_sync.wait_on_read = true;
+ }
omap2_onenand_calc_sync_timings(&t, gpmc_onenand_data->flags, freq);