drm/nouveau/platform: add one more reference clock

GM20B and GK20A have different reference clocks. Add one more
handle for GM20B so taht the clock subdev can choose which one
to use.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drm/nouveau/nouveau_platform.h b/drm/nouveau/nouveau_platform.h
index 392874cf4..51e04c55e 100644
--- a/drm/nouveau/nouveau_platform.h
+++ b/drm/nouveau/nouveau_platform.h
@@ -35,6 +35,7 @@ struct platform_driver;
 struct nouveau_platform_gpu {
 	struct reset_control *rst;
 	struct clk *clk;
+	struct clk *clk_ref;
 	struct clk *clk_pwr;
 
 	struct regulator *vdd;