ARM: tegra: add clock source of PMC to device trees

Adding the bindings of the clock source of PMC in DT.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index 5762188c60ad..258cf945f515 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -520,6 +520,19 @@
                 bus-width = <8>;
         };
 
+        clocks {
+                compatible = "simple-bus";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                clk32k_in: clock {
+                        compatible = "fixed-clock";
+                        reg=<0>;
+                        #clock-cells = <0>;
+                        clock-frequency = <32768>;
+                };
+        };
+
         kbc {
                 status = "okay";
                 nvidia,debounce-delay-ms = <20>;