diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h
index e1b1326e68a1..34c338832c0d 100644
--- a/drivers/clk/sunxi-ng/ccu_div.h
+++ b/drivers/clk/sunxi-ng/ccu_div.h
@@ -23,6 +23,9 @@
  * struct _ccu_div - Internal divider description
  * @shift: Bit offset of the divider in its register
  * @width: Width of the divider field in its register
+ * @max: Maximum value allowed for that divider. This is the
+ *       arithmetic value, not the maximum value to be set in the
+ *       register.
  * @flags: clk_divider flags to apply on this divider
  * @table: Divider table pointer (if applicable)
  *
@@ -37,6 +40,8 @@ struct _ccu_div {
 	u8			shift;
 	u8			width;
 
+	u32			max;
+
 	u32			flags;
 
 	struct clk_div_table	*table;
@@ -50,14 +55,25 @@ struct _ccu_div {
 		.table	= _table,					\
 	}
 
-#define _SUNXI_CCU_DIV_FLAGS(_shift, _width, _flags)			\
-	_SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, _flags)
-
 #define _SUNXI_CCU_DIV_TABLE(_shift, _width, _table)			\
 	_SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, _table, 0)
 
+#define _SUNXI_CCU_DIV_MAX_FLAGS(_shift, _width, _max, _flags) \
+	{								\
+		.shift	= _shift,					\
+		.width	= _width,					\
+		.flags	= _flags,					\
+		.max	= _max,						\
+	}
+
+#define _SUNXI_CCU_DIV_FLAGS(_shift, _width, _flags)			\
+	_SUNXI_CCU_DIV_MAX_FLAGS(_shift, _width, 0, _flags)
+
+#define _SUNXI_CCU_DIV_MAX(_shift, _width, _max)			\
+	_SUNXI_CCU_DIV_MAX_FLAGS(_shift, _width, _max, 0)
+
 #define _SUNXI_CCU_DIV(_shift, _width)					\
-	_SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, 0)
+	_SUNXI_CCU_DIV_FLAGS(_shift, _width, 0)
 
 struct ccu_div {
 	u32			enable;
diff --git a/drivers/clk/sunxi-ng/ccu_mp.c b/drivers/clk/sunxi-ng/ccu_mp.c
index cbf33ef5faa9..ebb1b31568a5 100644
--- a/drivers/clk/sunxi-ng/ccu_mp.c
+++ b/drivers/clk/sunxi-ng/ccu_mp.c
@@ -21,9 +21,9 @@ static void ccu_mp_find_best(unsigned long parent, unsigned long rate,
 	unsigned int best_m = 0, best_p = 0;
 	unsigned int _m, _p;
 
-	for (_p = 0; _p <= max_p; _p++) {
+	for (_p = 1; _p <= max_p; _p <<= 1) {
 		for (_m = 1; _m <= max_m; _m++) {
-			unsigned long tmp_rate = (parent >> _p) / _m;
+			unsigned long tmp_rate = parent / _p / _m;
 
 			if (tmp_rate > rate)
 				continue;
@@ -46,13 +46,15 @@ static unsigned long ccu_mp_round_rate(struct ccu_mux_internal *mux,
 				       void *data)
 {
 	struct ccu_mp *cmp = data;
+	unsigned int max_m, max_p;
 	unsigned int m, p;
 
-	ccu_mp_find_best(parent_rate, rate,
-			 1 << cmp->m.width, (1 << cmp->p.width) - 1,
-			 &m, &p);
+	max_m = cmp->m.max ?: 1 << cmp->m.width;
+	max_p = cmp->p.max ?: 1 << ((1 << cmp->p.width) - 1);
 
-	return (parent_rate >> p) / m;
+	ccu_mp_find_best(parent_rate, rate, max_m, max_p, &m, &p);
+
+	return parent_rate / p / m;
 }
 
 static void ccu_mp_disable(struct clk_hw *hw)
@@ -108,13 +110,14 @@ static int ccu_mp_set_rate(struct clk_hw *hw, unsigned long rate,
 {
 	struct ccu_mp *cmp = hw_to_ccu_mp(hw);
 	unsigned long flags;
+	unsigned int max_m, max_p;
 	unsigned int m, p;
 	u32 reg;
 
-	ccu_mp_find_best(parent_rate, rate,
-			 1 << cmp->m.width, (1 << cmp->p.width) - 1,
-			 &m, &p);
+	max_m = cmp->m.max ?: 1 << cmp->m.width;
+	max_p = cmp->p.max ?: 1 << ((1 << cmp->p.width) - 1);
 
+	ccu_mp_find_best(parent_rate, rate, max_m, max_p, &m, &p);
 
 	spin_lock_irqsave(cmp->common.lock, flags);
 
@@ -122,7 +125,7 @@ static int ccu_mp_set_rate(struct clk_hw *hw, unsigned long rate,
 	reg &= ~GENMASK(cmp->m.width + cmp->m.shift - 1, cmp->m.shift);
 	reg &= ~GENMASK(cmp->p.width + cmp->p.shift - 1, cmp->p.shift);
 
-	writel(reg | (p << cmp->p.shift) | ((m - 1) << cmp->m.shift),
+	writel(reg | (ilog2(p) << cmp->p.shift) | ((m - 1) << cmp->m.shift),
 	       cmp->common.base + cmp->common.reg);
 
 	spin_unlock_irqrestore(cmp->common.lock, flags);
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
index 182452919ede..059fdc3b4f96 100644
--- a/drivers/clk/sunxi-ng/ccu_nkm.c
+++ b/drivers/clk/sunxi-ng/ccu_nkm.c
@@ -103,7 +103,7 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
 
 	_nkm.max_n = 1 << nkm->n.width;
 	_nkm.max_k = 1 << nkm->k.width;
-	_nkm.max_m = 1 << nkm->m.width;
+	_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
 
 	ccu_nkm_find_best(parent_rate, rate, &_nkm);
 
@@ -129,7 +129,7 @@ static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	_nkm.max_n = 1 << nkm->n.width;
 	_nkm.max_k = 1 << nkm->k.width;
-	_nkm.max_m = 1 << nkm->m.width;
+	_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
 
 	ccu_nkm_find_best(parent_rate, rate, &_nkm);
 
diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c
index 9f2b98e19dc9..9769dee99511 100644
--- a/drivers/clk/sunxi-ng/ccu_nkmp.c
+++ b/drivers/clk/sunxi-ng/ccu_nkmp.c
@@ -29,14 +29,14 @@ static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate,
 	unsigned long _n, _k, _m, _p;
 
 	for (_k = 1; _k <= nkmp->max_k; _k++) {
-		for (_p = 0; _p <= nkmp->max_p; _p++) {
+		for (_p = 1; _p <= nkmp->max_p; _p <<= 1) {
 			unsigned long tmp_rate;
 
-			rational_best_approximation(rate / _k, parent >> _p,
+			rational_best_approximation(rate / _k, parent / _p,
 						    nkmp->max_n, nkmp->max_m,
 						    &_n, &_m);
 
-			tmp_rate = (parent * _n * _k >> _p) / _m;
+			tmp_rate = parent * _n * _k / (_m * _p);
 
 			if (tmp_rate > rate)
 				continue;
@@ -110,13 +110,12 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
 
 	_nkmp.max_n = 1 << nkmp->n.width;
 	_nkmp.max_k = 1 << nkmp->k.width;
-	_nkmp.max_m = 1 << nkmp->m.width;
-	_nkmp.max_p = (1 << nkmp->p.width) - 1;
+	_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
+	_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
 
-	ccu_nkmp_find_best(*parent_rate, rate,
-			   &_nkmp);
+	ccu_nkmp_find_best(*parent_rate, rate, &_nkmp);
 
-	return (*parent_rate * _nkmp.n * _nkmp.k >> _nkmp.p) / _nkmp.m;
+	return *parent_rate * _nkmp.n * _nkmp.k / (_nkmp.m * _nkmp.p);
 }
 
 static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -129,8 +128,8 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	_nkmp.max_n = 1 << nkmp->n.width;
 	_nkmp.max_k = 1 << nkmp->k.width;
-	_nkmp.max_m = 1 << nkmp->m.width;
-	_nkmp.max_p = (1 << nkmp->p.width) - 1;
+	_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
+	_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
 
 	ccu_nkmp_find_best(parent_rate, rate, &_nkmp);
 
@@ -145,7 +144,7 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
 	reg |= (_nkmp.n - 1) << nkmp->n.shift;
 	reg |= (_nkmp.k - 1) << nkmp->k.shift;
 	reg |= (_nkmp.m - 1) << nkmp->m.shift;
-	reg |= _nkmp.p << nkmp->p.shift;
+	reg |= ilog2(_nkmp.p) << nkmp->p.shift;
 
 	writel(reg, nkmp->common.base + nkmp->common.reg);
 
diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c
index e35ddd8eec8b..b61bdd8c7a7f 100644
--- a/drivers/clk/sunxi-ng/ccu_nm.c
+++ b/drivers/clk/sunxi-ng/ccu_nm.c
@@ -61,11 +61,13 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
 			      unsigned long *parent_rate)
 {
 	struct ccu_nm *nm = hw_to_ccu_nm(hw);
+	unsigned long max_n, max_m;
 	unsigned long n, m;
 
-	rational_best_approximation(rate, *parent_rate,
-				    1 << nm->n.width, 1 << nm->m.width,
-				    &n, &m);
+	max_n = 1 << nm->n.width;
+	max_m = nm->m.max ?: 1 << nm->m.width;
+
+	rational_best_approximation(rate, *parent_rate, max_n, max_m, &n, &m);
 
 	return *parent_rate * n / m;
 }
@@ -75,6 +77,7 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
 {
 	struct ccu_nm *nm = hw_to_ccu_nm(hw);
 	unsigned long flags;
+	unsigned long max_n, max_m;
 	unsigned long n, m;
 	u32 reg;
 
@@ -83,9 +86,10 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
 	else
 		ccu_frac_helper_disable(&nm->common, &nm->frac);
 
-	rational_best_approximation(rate, parent_rate,
-				    1 << nm->n.width, 1 << nm->m.width,
-				    &n, &m);
+	max_n = 1 << nm->n.width;
+	max_m = nm->m.max ?: 1 << nm->m.width;
+
+	rational_best_approximation(rate, parent_rate, max_n, max_m, &n, &m);
 
 	spin_lock_irqsave(nm->common.lock, flags);