clk_register_clkdev(clk, "dsilp2", "dsilink.2");
        clk_register_clkdev(clk, "dsilp2", "mcde");
 
+       clk = clk_reg_prcmu_rate("smp_twd", NULL, PRCMU_ARMSS,
+                               CLK_IS_ROOT|CLK_GET_RATE_NOCACHE|
+                               CLK_IGNORE_UNUSED);
+       clk_register_clkdev(clk, NULL, "smp_twd");
+
        /*
         * FIXME: Add special handled PRCMU clocks here:
-        * 1. smp_twd, use PRCMU_ARMSS.
-        * 2. clk_arm, use PRCMU_ARMCLK.
-        * 3. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
-        * 4. ab9540_clkout1yuv, see clkout0yuv
+        * 1. clk_arm, use PRCMU_ARMCLK.
+        * 2. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
+        * 3. ab9540_clkout1yuv, see clkout0yuv
         */
 
        /* PRCC P-clocks */