gpu: nvgpu: gm20b expose gpcclk through CCF

Register gpcclk with Common Clock Framework to expose GPCPLL frequency
control

Bug 200233943

Change-Id: Id6f7bbaca15f22157b91b092c2a035af933fa71e
Signed-off-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
Reviewed-on: http://git-master/r/1236979
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index 94b8d157..f13a11ea 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -179,6 +179,8 @@ struct gk20a_platform {
         int (*clk_set_rate)(struct device *dev,
                                 unsigned long rate);
 
+        /* Called to register GPCPLL with common clk framework */
+        int (*clk_register)(struct gk20a *g);
 
         /* Postscale callback is called after frequency change */
         void (*postscale)(struct device *dev,