powerpc/83xx: add NAND support for the MPC8360E-RDK boards

The StMicro NAND chip (512Mbit, 64MB) is connected to the local bus,
the first local bus' user-programmable machine is configured by the
firmware to work with NAND chips.

QE GPIO pin is used to poll the NAND's Ready-Not-Busy signal.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts
index f747747e5318..decadf3d9e98 100644
--- a/arch/powerpc/boot/dts/mpc836x_rdk.dts
+++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts
@@ -387,6 +387,18 @@
                         device-width = <1>;
                 };
 
+                upm@1,0 {
+                        compatible = "fsl,upm-nand";
+                        reg = <1 0 1>;
+                        fsl,upm-addr-offset = <16>;
+                        fsl,upm-cmd-offset = <8>;
+                        gpios = <&qe_pio_e 18 0>;
+
+                        flash {
+                                compatible = "stm,nand512-a";
+                        };
+                };
+
                 display@2,0 {
                         device_type = "display";
                         compatible = "fujitsu,MB86277", "fujitsu,mint";