diff --git a/tegra234-p3768-camera-toshiba-tc358743.dts b/tegra234-p3768-camera-toshiba-tc358743.dts
index e182067..119bcfd 100644
--- a/tegra234-p3768-camera-toshiba-tc358743.dts
+++ b/tegra234-p3768-camera-toshiba-tc358743.dts
@@ -33,10 +33,8 @@
 				interrupts = <TEGRA234_MAIN_GPIO(G, 3) IRQ_TYPE_LEVEL_HIGH>;
 			
 				/* clock */
-				clocks = <&bpmp TEGRA234_CLK_EXTPERIPH1>;
+				clocks = <&tc358743_refclk>;
 				clock-names = "refclk";
-				assigned-clocks = <&bpmp TEGRA234_CLK_EXTPERIPH1>;
-				assigned-clock-rates = <27000000>;
 				refclk_hz = <27000000>;
 			
 				ports {
@@ -125,5 +123,18 @@
 			};
 		};
 	};
-};
 
+	/* clock configuration */
+	fragment@3 {
+		target-path = "/";
+		
+		__overlay__ {
+			tc358743_refclk: tc358743-clock {
+				compatible = "fixed-clock";
+				#clock-cells = <0>;
+				clock-frequency = <27000000>;
+				clock-output-names = "tc358743-refclk";
+			};
+		};
+	};
+};
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