1 files changed, 7 insertions, 0 deletions

diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c
index c0605244edda..d4bc5f67ec53 100644
--- a/arch/ppc/platforms/pmac_cpufreq.c
+++ b/arch/ppc/platforms/pmac_cpufreq.c
@@ -695,6 +695,13 @@ static int __init pmac_cpufreq_setup(void)
                 set_speed_proc = pmu_set_cpu_speed;
                 is_pmu_based = 1;
         }
+        /* Else check for TiPb 550 */
+        else if (machine_is_compatible("PowerBook3,3") && cur_freq == 550000) {
+                hi_freq = cur_freq;
+                low_freq = 500000;
+                set_speed_proc = pmu_set_cpu_speed;
+                is_pmu_based = 1;
+        }
         /* Else check for TiPb 400 & 500 */
         else if (machine_is_compatible("PowerBook3,2")) {
                 /* We only know about the 400 MHz and the 500Mhz model