[PATCH] ppc64: SMU based macs cpufreq support

CPU freq support using 970FX powertune facility for iMac G5 and SMU
based single CPU desktop.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 2130cc315957..94a81279deac 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -173,6 +173,16 @@ config KEXEC
           support.  As of this writing the exact hardware interface is
           strongly in flux, so no good recommendation can be made.
 
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_PMAC64
+        bool "Support for some Apple G5s"
+        depends on CPU_FREQ && PMAC_SMU && PPC64
+        select CPU_FREQ_TABLE
+        help
+          This adds support for frequency switching on Apple iMac G5,
+          and some of the more recent desktop G5 machines as well.
+
 config IBMVIO
         depends on PPC_PSERIES || PPC_ISERIES
         bool