Index: sys/arm/allwinner/a83t/files.a83t
===================================================================
--- sys/arm/allwinner/a83t/files.a83t
+++ sys/arm/allwinner/a83t/files.a83t
@@ -1,5 +1,6 @@
 # $FreeBSD$
 
 arm/allwinner/clkng/ccu_a83t.c		standard
+arm/allwinner/clkng/ccu_sun8i_r.c	standard
 arm/allwinner/a83t/a83t_padconf.c	standard
 arm/allwinner/a83t/a83t_r_padconf.c	standard
Index: sys/arm/allwinner/clkng/aw_ccung.h
===================================================================
--- sys/arm/allwinner/clkng/aw_ccung.h
+++ sys/arm/allwinner/clkng/aw_ccung.h
@@ -29,6 +29,33 @@
 #ifndef __CCU_NG_H__
 #define __CCU_NG_H__
 
+#ifdef __aarch64__
+#include "opt_soc.h"
+#endif
+
+#if defined(SOC_ALLWINNER_H3) || defined(SOC_ALLWINNER_H5)
+#define	H3_CCU		1
+#define	H3_R_CCU	2
+#endif
+
+#if defined(SOC_ALLWINNER_A31)
+#define	A31_CCU		3
+#endif
+
+#if defined(SOC_ALLWINNER_A64)
+#define	A64_CCU		4
+#define	A64_R_CCU	5
+#endif
+
+#if defined(SOC_ALLWINNER_A13)
+#define	A13_CCU		6
+#endif
+
+#if defined(SOC_ALLWINNER_A83T)
+#define	A83T_CCU	7
+#define	A83T_R_CCU	8
+#endif
+
 struct aw_ccung_softc {
 	device_t		dev;
 	struct resource		*res;
Index: sys/arm/allwinner/clkng/aw_ccung.c
===================================================================
--- sys/arm/allwinner/clkng/aw_ccung.c
+++ sys/arm/allwinner/clkng/aw_ccung.c
@@ -54,10 +54,6 @@
 #include <arm/allwinner/clkng/aw_ccung.h>
 #include <arm/allwinner/clkng/aw_clk.h>
 
-#ifdef __aarch64__
-#include "opt_soc.h"
-#endif
-
 #if defined(SOC_ALLWINNER_A13)
 #include <arm/allwinner/clkng/ccu_a13.h>
 #endif
@@ -78,6 +74,7 @@
 
 #if defined(SOC_ALLWINNER_A83T)
 #include <arm/allwinner/clkng/ccu_a83t.h>
+#include <arm/allwinner/clkng/ccu_sun8i_r.h>
 #endif
 
 #include "clkdev_if.h"
@@ -88,28 +85,6 @@
 	{ -1, 0 }
 };
 
-#if defined(SOC_ALLWINNER_H3) || defined(SOC_ALLWINNER_H5)
-#define	H3_CCU		1
-#define	H3_R_CCU	2
-#endif
-
-#if defined(SOC_ALLWINNER_A31)
-#define	A31_CCU		3
-#endif
-
-#if defined(SOC_ALLWINNER_A64)
-#define	A64_CCU		4
-#define	A64_R_CCU	5
-#endif
-
-#if defined(SOC_ALLWINNER_A13)
-#define	A13_CCU		6
-#endif
-
-#if defined(SOC_ALLWINNER_A83T)
-#define	A83T_CCU	7
-#endif
-
 static struct ofw_compat_data compat_data[] = {
 #if defined(SOC_ALLWINNER_A31)
 	{ "allwinner,sun5i-a13-ccu", A13_CCU},
@@ -127,6 +102,7 @@
 #endif
 #if defined(SOC_ALLWINNER_A83T)
 	{ "allwinner,sun8i-a83t-ccu", A83T_CCU },
+	{ "allwinner,sun8i-a83t-r-ccu", A83T_R_CCU },
 #endif
 	{NULL, 0 }
 };
@@ -374,6 +350,9 @@
 	case A83T_CCU:
 		ccu_a83t_register_clocks(sc);
 		break;
+	case A83T_R_CCU:
+		ccu_sun8i_r_register_clocks(sc);
+		break;
 #endif
 	}
 
Index: sys/arm/allwinner/clkng/ccu_sun8i_r.c
===================================================================
--- sys/arm/allwinner/clkng/ccu_sun8i_r.c
+++ sys/arm/allwinner/clkng/ccu_sun8i_r.c
@@ -70,6 +70,7 @@
 };
 
 static const char *ar100_parents[] = {"osc32k", "osc24M", "pll_periph0", "iosc"};
+static const char *a83t_ar100_parents[] = {"osc16M-d512", "osc24M", "pll_periph", "osc16M"};
 PREDIV_CLK(ar100_clk, CLK_AR100,				/* id */
     "ar100", ar100_parents,					/* name, parents */
     0x00,							/* offset */
@@ -77,6 +78,13 @@
     4, 2, 0, AW_CLK_FACTOR_POWER_OF_TWO,			/* div */
     8, 5, 0, AW_CLK_FACTOR_HAS_COND,				/* prediv */
     16, 2, 2);							/* prediv condition */
+PREDIV_CLK(a83t_ar100_clk, CLK_AR100,				/* id */
+    "ar100", a83t_ar100_parents,				/* name, parents */
+    0x00,							/* offset */
+    16, 2,							/* mux */
+    4, 2, 0, AW_CLK_FACTOR_POWER_OF_TWO,			/* div */
+    8, 5, 0, AW_CLK_FACTOR_HAS_COND,				/* prediv */
+    16, 2, 2);							/* prediv condition */
 
 static const char *ahb0_parents[] = {"ar100"};
 FIXED_CLK(ahb0_clk,
@@ -96,10 +104,6 @@
     0, 2,			/* shift, width */
     0, NULL);			/* flags, div table */
 
-static struct aw_clk_prediv_mux_def *prediv_mux_clks[] = {
-	&ar100_clk,
-};
-
 static struct clk_div_def *div_clks[] = {
 	&apb0_clk,
 };
@@ -118,8 +122,12 @@
 	sc->gates = ccu_sun8i_r_gates;
 	sc->ngates = nitems(ccu_sun8i_r_gates);
 
-	for (i = 0; i < nitems(prediv_mux_clks); i++)
-		aw_clk_prediv_mux_register(sc->clkdom, prediv_mux_clks[i]);
+	/* a83t names the parents differently than the others */
+	if (sc->type == A83T_R_CCU)
+		aw_clk_prediv_mux_register(sc->clkdom, &a83t_ar100_clk);
+	else
+		aw_clk_prediv_mux_register(sc->clkdom, &ar100_clk);
+
 	for (i = 0; i < nitems(div_clks); i++)
 		clknode_div_register(sc->clkdom, div_clks[i]);
 	for (i = 0; i < nitems(fixed_factor_clks); i++)