diff --git a/arch/arm64/boot/dts/nvidia/tegra210b01.dtsi b/arch/arm64/boot/dts/nvidia/tegra210b01.dtsi
index 07755307dc07..d064300653c3 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210b01.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210b01.dtsi
@@ -65,6 +65,7 @@
 		assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT2>;
 	};
 
+	/* Tegra210B01 has MBIST patched and is missing VI unit */
 	pmc@7000e400 {
 		compatible = "nvidia,tegra210b01-pmc";