diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c
index 32f833d732ed..64299117d2d8 100644
--- a/drivers/clk/clk-rk808.c
+++ b/drivers/clk/clk-rk808.c
@@ -181,6 +181,10 @@ static int rk808_clkout_probe(struct platform_device *pdev)
 		return ret;
 
 	init.name = "rk808-clkout2";
+
+	if (of_property_read_bool(node, "rockchip,clk-32k-always-on"))
+		init.flags |= CLK_IS_CRITICAL;
+
 	init.ops = rkpmic_get_ops(rk808->variant);
 	rk808_clkout->clkout2_hw.init = &init;