powerpc/8xx: Add DT node for using the SEC engine of the MPC885

The MPC885 has SEC engine version 1.2 with the following details:
- Number of Crypto channels: 1
- Exec Units: DEU, MDEU and AESU
- Available descriptors: 00010, 00100, 00110, 01000, 11000, 11010

It is also supposed to have descriptor 00000, but it doesn't work
properly so we keep it out for the moment.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>

1 files changed, 12 insertions, 1 deletions

diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts
index 5b037f51741d..3aa300afbbca 100644
--- a/arch/powerpc/boot/dts/mpc885ads.dts
+++ b/arch/powerpc/boot/dts/mpc885ads.dts
@@ -72,7 +72,7 @@
                 #address-cells = <1>;
                 #size-cells = <1>;
                 device_type = "soc";
-                ranges = <0x0 0xff000000 0x4000>;
+                ranges = <0x0 0xff000000 0x28000>;
                 bus-frequency = <0>;
 
                 // Temporary -- will go away once kernel uses ranges for get_immrbase().
@@ -224,6 +224,17 @@
                                 #size-cells = <0>;
                         };
                 };
+
+                crypto@20000 {
+                        compatible = "fsl,sec1.2", "fsl,sec1.0";
+                        reg = <0x20000 0x8000>;
+                        interrupts = <1 1>;
+                        interrupt-parent = <&PIC>;
+                        fsl,num-channels = <1>;
+                        fsl,channel-fifo-len = <24>;
+                        fsl,exec-units-mask = <0x4c>;
+                        fsl,descriptor-types-mask = <0x05000154>;
+                };
         };
 
         chosen {