diff --git a/arch/arm/mach-imx/clocksource.c b/arch/arm/mach-imx/clocksource.c
index 66dcea4..b6873a7 100644
--- a/arch/arm/mach-imx/clocksource.c
+++ b/arch/arm/mach-imx/clocksource.c
@@ -140,6 +140,9 @@
 		.compatible = "fsl,imx1-gpt",
 		.data = &regs_imx1,
 	}, {
+		.compatible = "fsl,imx21-gpt",
+		.data = &regs_imx1,
+	}, {
 		.compatible = "fsl,imx31-gpt",
 		.data = &regs_imx31,
 	}, {