powerpc/4xx: Add Kilauea suspend and idle support

- Add Clock Power Management (CPM) node to dts tree
- Add idle-doze entry in CPM node
- Add standby entry in CPM node
- Add PM and SUSPEND support by default in defconfig
- Add NO_HZ and CONFIG_HIGH_RES_TIMERS support by
  default in defconfig

Signed-off-by: Victor Gallardo <vgallardo@apm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/kilauea.dts b/arch/powerpc/boot/dts/kilauea.dts
index 083e68eeaca4..89edb16649c3 100644
--- a/arch/powerpc/boot/dts/kilauea.dts
+++ b/arch/powerpc/boot/dts/kilauea.dts
@@ -82,6 +82,15 @@
                 interrupt-parent = <&UIC0>;
         };
 
+        CPM0: cpm {
+                compatible = "ibm,cpm";
+                dcr-access-method = "native";
+                dcr-reg = <0x0b0 0x003>;
+                unused-units = <0x00000000>;
+                idle-doze = <0x02000000>;
+                standby = <0xe3e74800>;
+        };
+
         plb {
                 compatible = "ibm,plb-405ex", "ibm,plb4";
                 #address-cells = <1>;