diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c
index 5aa9710aa4020..a45b4020996bd 100644
--- a/drivers/clk/renesas/r9a09g057-cpg.c
+++ b/drivers/clk/renesas/r9a09g057-cpg.c
@@ -115,57 +115,108 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
 };
 
 static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = {
-	DEF_MOD_CRITICAL("icu_0_pclk_i",	CLK_PLLCM33_DIV16, 0, 5, 0, 5),
-	DEF_MOD("gtm_0_pclk",			CLK_PLLCM33_DIV16, 4, 3, 2, 3),
-	DEF_MOD("gtm_1_pclk",			CLK_PLLCM33_DIV16, 4, 4, 2, 4),
-	DEF_MOD("gtm_2_pclk",			CLK_PLLCLN_DIV16, 4, 5, 2, 5),
-	DEF_MOD("gtm_3_pclk",			CLK_PLLCLN_DIV16, 4, 6, 2, 6),
-	DEF_MOD("gtm_4_pclk",			CLK_PLLCLN_DIV16, 4, 7, 2, 7),
-	DEF_MOD("gtm_5_pclk",			CLK_PLLCLN_DIV16, 4, 8, 2, 8),
-	DEF_MOD("gtm_6_pclk",			CLK_PLLCLN_DIV16, 4, 9, 2, 9),
-	DEF_MOD("gtm_7_pclk",			CLK_PLLCLN_DIV16, 4, 10, 2, 10),
-	DEF_MOD("wdt_0_clkp",			CLK_PLLCM33_DIV16, 4, 11, 2, 11),
-	DEF_MOD("wdt_0_clk_loco",		CLK_QEXTAL, 4, 12, 2, 12),
-	DEF_MOD("wdt_1_clkp",			CLK_PLLCLN_DIV16, 4, 13, 2, 13),
-	DEF_MOD("wdt_1_clk_loco",		CLK_QEXTAL, 4, 14, 2, 14),
-	DEF_MOD("wdt_2_clkp",			CLK_PLLCLN_DIV16, 4, 15, 2, 15),
-	DEF_MOD("wdt_2_clk_loco",		CLK_QEXTAL, 5, 0, 2, 16),
-	DEF_MOD("wdt_3_clkp",			CLK_PLLCLN_DIV16, 5, 1, 2, 17),
-	DEF_MOD("wdt_3_clk_loco",		CLK_QEXTAL, 5, 2, 2, 18),
-	DEF_MOD("scif_0_clk_pck",		CLK_PLLCM33_DIV16, 8, 15, 4, 15),
-	DEF_MOD("riic_8_ckm",			CLK_PLLCM33_DIV16, 9, 3, 4, 19),
-	DEF_MOD("riic_0_ckm",			CLK_PLLCLN_DIV16, 9, 4, 4, 20),
-	DEF_MOD("riic_1_ckm",			CLK_PLLCLN_DIV16, 9, 5, 4, 21),
-	DEF_MOD("riic_2_ckm",			CLK_PLLCLN_DIV16, 9, 6, 4, 22),
-	DEF_MOD("riic_3_ckm",			CLK_PLLCLN_DIV16, 9, 7, 4, 23),
-	DEF_MOD("riic_4_ckm",			CLK_PLLCLN_DIV16, 9, 8, 4, 24),
-	DEF_MOD("riic_5_ckm",			CLK_PLLCLN_DIV16, 9, 9, 4, 25),
-	DEF_MOD("riic_6_ckm",			CLK_PLLCLN_DIV16, 9, 10, 4, 26),
-	DEF_MOD("riic_7_ckm",			CLK_PLLCLN_DIV16, 9, 11, 4, 27),
-	DEF_MOD("sdhi_0_imclk",			CLK_PLLCLN_DIV8, 10, 3, 5, 3),
-	DEF_MOD("sdhi_0_imclk2",		CLK_PLLCLN_DIV8, 10, 4, 5, 4),
-	DEF_MOD("sdhi_0_clk_hs",		CLK_PLLCLN_DIV2, 10, 5, 5, 5),
-	DEF_MOD("sdhi_0_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6),
-	DEF_MOD("sdhi_1_imclk",			CLK_PLLCLN_DIV8, 10, 7, 5, 7),
-	DEF_MOD("sdhi_1_imclk2",		CLK_PLLCLN_DIV8, 10, 8, 5, 8),
-	DEF_MOD("sdhi_1_clk_hs",		CLK_PLLCLN_DIV2, 10, 9, 5, 9),
-	DEF_MOD("sdhi_1_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10),
-	DEF_MOD("sdhi_2_imclk",			CLK_PLLCLN_DIV8, 10, 11, 5, 11),
-	DEF_MOD("sdhi_2_imclk2",		CLK_PLLCLN_DIV8, 10, 12, 5, 12),
-	DEF_MOD("sdhi_2_clk_hs",		CLK_PLLCLN_DIV2, 10, 13, 5, 13),
-	DEF_MOD("sdhi_2_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14),
-	DEF_MOD("cru_0_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18),
-	DEF_MOD_NO_PM("cru_0_vclk",		CLK_PLLVDO_CRU0, 13, 3, 6, 19),
-	DEF_MOD("cru_0_pclk",			CLK_PLLDTY_DIV16, 13, 4, 6, 20),
-	DEF_MOD("cru_1_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21),
-	DEF_MOD_NO_PM("cru_1_vclk",		CLK_PLLVDO_CRU1, 13, 6, 6, 22),
-	DEF_MOD("cru_1_pclk",			CLK_PLLDTY_DIV16, 13, 7, 6, 23),
-	DEF_MOD("cru_2_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 8, 6, 24),
-	DEF_MOD_NO_PM("cru_2_vclk",		CLK_PLLVDO_CRU2, 13, 9, 6, 25),
-	DEF_MOD("cru_2_pclk",			CLK_PLLDTY_DIV16, 13, 10, 6, 26),
-	DEF_MOD("cru_3_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 11, 6, 27),
-	DEF_MOD_NO_PM("cru_3_vclk",		CLK_PLLVDO_CRU3, 13, 12, 6, 28),
-	DEF_MOD("cru_3_pclk",			CLK_PLLDTY_DIV16, 13, 13, 6, 29),
+	DEF_MOD_CRITICAL("icu_0_pclk_i",	CLK_PLLCM33_DIV16, 0, 5, 0, 5,
+						BUS_MSTOP_NONE),
+	DEF_MOD("gtm_0_pclk",			CLK_PLLCM33_DIV16, 4, 3, 2, 3,
+						BUS_MSTOP(5, BIT(10))),
+	DEF_MOD("gtm_1_pclk",			CLK_PLLCM33_DIV16, 4, 4, 2, 4,
+						BUS_MSTOP(5, BIT(11))),
+	DEF_MOD("gtm_2_pclk",			CLK_PLLCLN_DIV16, 4, 5, 2, 5,
+						BUS_MSTOP(2, BIT(13))),
+	DEF_MOD("gtm_3_pclk",			CLK_PLLCLN_DIV16, 4, 6, 2, 6,
+						BUS_MSTOP(2, BIT(14))),
+	DEF_MOD("gtm_4_pclk",			CLK_PLLCLN_DIV16, 4, 7, 2, 7,
+						BUS_MSTOP(11, BIT(13))),
+	DEF_MOD("gtm_5_pclk",			CLK_PLLCLN_DIV16, 4, 8, 2, 8,
+						BUS_MSTOP(11, BIT(14))),
+	DEF_MOD("gtm_6_pclk",			CLK_PLLCLN_DIV16, 4, 9, 2, 9,
+						BUS_MSTOP(11, BIT(15))),
+	DEF_MOD("gtm_7_pclk",			CLK_PLLCLN_DIV16, 4, 10, 2, 10,
+						BUS_MSTOP(12, BIT(0))),
+	DEF_MOD("wdt_0_clkp",			CLK_PLLCM33_DIV16, 4, 11, 2, 11,
+						BUS_MSTOP(3, BIT(10))),
+	DEF_MOD("wdt_0_clk_loco",		CLK_QEXTAL, 4, 12, 2, 12,
+						BUS_MSTOP(3, BIT(10))),
+	DEF_MOD("wdt_1_clkp",			CLK_PLLCLN_DIV16, 4, 13, 2, 13,
+						BUS_MSTOP(1, BIT(0))),
+	DEF_MOD("wdt_1_clk_loco",		CLK_QEXTAL, 4, 14, 2, 14,
+						BUS_MSTOP(1, BIT(0))),
+	DEF_MOD("wdt_2_clkp",			CLK_PLLCLN_DIV16, 4, 15, 2, 15,
+						BUS_MSTOP(5, BIT(12))),
+	DEF_MOD("wdt_2_clk_loco",		CLK_QEXTAL, 5, 0, 2, 16,
+						BUS_MSTOP(5, BIT(12))),
+	DEF_MOD("wdt_3_clkp",			CLK_PLLCLN_DIV16, 5, 1, 2, 17,
+						BUS_MSTOP(5, BIT(13))),
+	DEF_MOD("wdt_3_clk_loco",		CLK_QEXTAL, 5, 2, 2, 18,
+						BUS_MSTOP(5, BIT(13))),
+	DEF_MOD("scif_0_clk_pck",		CLK_PLLCM33_DIV16, 8, 15, 4, 15,
+						BUS_MSTOP(3, BIT(14))),
+	DEF_MOD("riic_8_ckm",			CLK_PLLCM33_DIV16, 9, 3, 4, 19,
+						BUS_MSTOP(3, BIT(13))),
+	DEF_MOD("riic_0_ckm",			CLK_PLLCLN_DIV16, 9, 4, 4, 20,
+						BUS_MSTOP(1, BIT(1))),
+	DEF_MOD("riic_1_ckm",			CLK_PLLCLN_DIV16, 9, 5, 4, 21,
+						BUS_MSTOP(1, BIT(2))),
+	DEF_MOD("riic_2_ckm",			CLK_PLLCLN_DIV16, 9, 6, 4, 22,
+						BUS_MSTOP(1, BIT(3))),
+	DEF_MOD("riic_3_ckm",			CLK_PLLCLN_DIV16, 9, 7, 4, 23,
+						BUS_MSTOP(1, BIT(4))),
+	DEF_MOD("riic_4_ckm",			CLK_PLLCLN_DIV16, 9, 8, 4, 24,
+						BUS_MSTOP(1, BIT(5))),
+	DEF_MOD("riic_5_ckm",			CLK_PLLCLN_DIV16, 9, 9, 4, 25,
+						BUS_MSTOP(1, BIT(6))),
+	DEF_MOD("riic_6_ckm",			CLK_PLLCLN_DIV16, 9, 10, 4, 26,
+						BUS_MSTOP(1, BIT(7))),
+	DEF_MOD("riic_7_ckm",			CLK_PLLCLN_DIV16, 9, 11, 4, 27,
+						BUS_MSTOP(1, BIT(8))),
+	DEF_MOD("sdhi_0_imclk",			CLK_PLLCLN_DIV8, 10, 3, 5, 3,
+						BUS_MSTOP(8, BIT(2))),
+	DEF_MOD("sdhi_0_imclk2",		CLK_PLLCLN_DIV8, 10, 4, 5, 4,
+						BUS_MSTOP(8, BIT(2))),
+	DEF_MOD("sdhi_0_clk_hs",		CLK_PLLCLN_DIV2, 10, 5, 5, 5,
+						BUS_MSTOP(8, BIT(2))),
+	DEF_MOD("sdhi_0_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6,
+						BUS_MSTOP(8, BIT(2))),
+	DEF_MOD("sdhi_1_imclk",			CLK_PLLCLN_DIV8, 10, 7, 5, 7,
+						BUS_MSTOP(8, BIT(3))),
+	DEF_MOD("sdhi_1_imclk2",		CLK_PLLCLN_DIV8, 10, 8, 5, 8,
+						BUS_MSTOP(8, BIT(3))),
+	DEF_MOD("sdhi_1_clk_hs",		CLK_PLLCLN_DIV2, 10, 9, 5, 9,
+						BUS_MSTOP(8, BIT(3))),
+	DEF_MOD("sdhi_1_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10,
+						BUS_MSTOP(8, BIT(3))),
+	DEF_MOD("sdhi_2_imclk",			CLK_PLLCLN_DIV8, 10, 11, 5, 11,
+						BUS_MSTOP(8, BIT(4))),
+	DEF_MOD("sdhi_2_imclk2",		CLK_PLLCLN_DIV8, 10, 12, 5, 12,
+						BUS_MSTOP(8, BIT(4))),
+	DEF_MOD("sdhi_2_clk_hs",		CLK_PLLCLN_DIV2, 10, 13, 5, 13,
+						BUS_MSTOP(8, BIT(4))),
+	DEF_MOD("sdhi_2_aclk",			CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14,
+						BUS_MSTOP(8, BIT(4))),
+	DEF_MOD("cru_0_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18,
+						BUS_MSTOP(9, BIT(4))),
+	DEF_MOD_NO_PM("cru_0_vclk",		CLK_PLLVDO_CRU0, 13, 3, 6, 19,
+						BUS_MSTOP(9, BIT(4))),
+	DEF_MOD("cru_0_pclk",			CLK_PLLDTY_DIV16, 13, 4, 6, 20,
+						BUS_MSTOP(9, BIT(4))),
+	DEF_MOD("cru_1_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21,
+						BUS_MSTOP(9, BIT(5))),
+	DEF_MOD_NO_PM("cru_1_vclk",		CLK_PLLVDO_CRU1, 13, 6, 6, 22,
+						BUS_MSTOP(9, BIT(5))),
+	DEF_MOD("cru_1_pclk",			CLK_PLLDTY_DIV16, 13, 7, 6, 23,
+						BUS_MSTOP(9, BIT(5))),
+	DEF_MOD("cru_2_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 8, 6, 24,
+						BUS_MSTOP(9, BIT(6))),
+	DEF_MOD_NO_PM("cru_2_vclk",		CLK_PLLVDO_CRU2, 13, 9, 6, 25,
+						BUS_MSTOP(9, BIT(6))),
+	DEF_MOD("cru_2_pclk",			CLK_PLLDTY_DIV16, 13, 10, 6, 26,
+						BUS_MSTOP(9, BIT(6))),
+	DEF_MOD("cru_3_aclk",			CLK_PLLDTY_ACPU_DIV2, 13, 11, 6, 27,
+						BUS_MSTOP(9, BIT(7))),
+	DEF_MOD_NO_PM("cru_3_vclk",		CLK_PLLVDO_CRU3, 13, 12, 6, 28,
+						BUS_MSTOP(9, BIT(7))),
+	DEF_MOD("cru_3_pclk",			CLK_PLLDTY_DIV16, 13, 13, 6, 29,
+						BUS_MSTOP(9, BIT(7))),
 };
 
 static const struct rzv2h_reset r9a09g057_resets[] __initconst = {
@@ -224,4 +275,6 @@ const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = {
 	/* Resets */
 	.resets = r9a09g057_resets,
 	.num_resets = ARRAY_SIZE(r9a09g057_resets),
+
+	.num_mstop_bits = 192,
 };
diff --git a/drivers/clk/renesas/rzv2h-cpg.c b/drivers/clk/renesas/rzv2h-cpg.c
index 1154493583a70..d4fd52b0a24e9 100644
--- a/drivers/clk/renesas/rzv2h-cpg.c
+++ b/drivers/clk/renesas/rzv2h-cpg.c
@@ -23,6 +23,7 @@
 #include <linux/platform_device.h>
 #include <linux/pm_clock.h>
 #include <linux/pm_domain.h>
+#include <linux/refcount.h>
 #include <linux/reset-controller.h>
 
 #include <dt-bindings/clock/renesas-cpg-mssr.h>
@@ -40,6 +41,9 @@
 #define GET_RST_OFFSET(x)	(0x900 + ((x) * 4))
 #define GET_RST_MON_OFFSET(x)	(0xA00 + ((x) * 4))
 
+#define CPG_BUS_1_MSTOP		(0xd00)
+#define CPG_BUS_MSTOP(m)	(CPG_BUS_1_MSTOP + ((m) - 1) * 4)
+
 #define KDIV(val)		((s16)FIELD_GET(GENMASK(31, 16), (val)))
 #define MDIV(val)		FIELD_GET(GENMASK(15, 6), (val))
 #define PDIV(val)		FIELD_GET(GENMASK(5, 0), (val))
@@ -64,6 +68,7 @@
  * @resets: Array of resets
  * @num_resets: Number of Module Resets in info->resets[]
  * @last_dt_core_clk: ID of the last Core Clock exported to DT
+ * @mstop_count: Array of mstop values
  * @rcdev: Reset controller entity
  */
 struct rzv2h_cpg_priv {
@@ -78,6 +83,8 @@ struct rzv2h_cpg_priv {
 	unsigned int num_resets;
 	unsigned int last_dt_core_clk;
 
+	atomic_t *mstop_count;
+
 	struct reset_controller_dev rcdev;
 };
 
@@ -97,6 +104,7 @@ struct pll_clk {
  * struct mod_clock - Module clock
  *
  * @priv: CPG private data
+ * @mstop_data: mstop data relating to module clock
  * @hw: handle between common and hardware-specific interfaces
  * @no_pm: flag to indicate PM is not supported
  * @on_index: register offset
@@ -106,6 +114,7 @@ struct pll_clk {
  */
 struct mod_clock {
 	struct rzv2h_cpg_priv *priv;
+	unsigned int mstop_data;
 	struct clk_hw hw;
 	bool no_pm;
 	u8 on_index;
@@ -433,8 +442,71 @@ rzv2h_cpg_register_core_clk(const struct cpg_core_clk *core,
 		core->name, PTR_ERR(clk));
 }
 
+static void rzv2h_mod_clock_mstop_enable(struct rzv2h_cpg_priv *priv,
+					 u32 mstop_data)
+{
+	unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data);
+	u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data);
+	unsigned int index = (mstop_index - 1) * 16;
+	atomic_t *mstop = &priv->mstop_count[index];
+	unsigned long flags;
+	unsigned int i;
+	u32 val = 0;
+
+	spin_lock_irqsave(&priv->rmw_lock, flags);
+	for_each_set_bit(i, &mstop_mask, 16) {
+		if (!atomic_read(&mstop[i]))
+			val |= BIT(i) << 16;
+		atomic_inc(&mstop[i]);
+	}
+	if (val)
+		writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+	spin_unlock_irqrestore(&priv->rmw_lock, flags);
+}
+
+static void rzv2h_mod_clock_mstop_disable(struct rzv2h_cpg_priv *priv,
+					  u32 mstop_data)
+{
+	unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data);
+	u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data);
+	unsigned int index = (mstop_index - 1) * 16;
+	atomic_t *mstop = &priv->mstop_count[index];
+	unsigned long flags;
+	unsigned int i;
+	u32 val = 0;
+
+	spin_lock_irqsave(&priv->rmw_lock, flags);
+	for_each_set_bit(i, &mstop_mask, 16) {
+		if (!atomic_read(&mstop[i]) ||
+		    atomic_dec_and_test(&mstop[i]))
+			val |= BIT(i) << 16 | BIT(i);
+	}
+	if (val)
+		writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+	spin_unlock_irqrestore(&priv->rmw_lock, flags);
+}
+
+static int rzv2h_mod_clock_is_enabled(struct clk_hw *hw)
+{
+	struct mod_clock *clock = to_mod_clock(hw);
+	struct rzv2h_cpg_priv *priv = clock->priv;
+	u32 bitmask;
+	u32 offset;
+
+	if (clock->mon_index >= 0) {
+		offset = GET_CLK_MON_OFFSET(clock->mon_index);
+		bitmask = BIT(clock->mon_bit);
+	} else {
+		offset = GET_CLK_ON_OFFSET(clock->on_index);
+		bitmask = BIT(clock->on_bit);
+	}
+
+	return readl(priv->base + offset) & bitmask;
+}
+
 static int rzv2h_mod_clock_endisable(struct clk_hw *hw, bool enable)
 {
+	bool enabled = rzv2h_mod_clock_is_enabled(hw);
 	struct mod_clock *clock = to_mod_clock(hw);
 	unsigned int reg = GET_CLK_ON_OFFSET(clock->on_index);
 	struct rzv2h_cpg_priv *priv = clock->priv;
@@ -446,11 +518,20 @@ static int rzv2h_mod_clock_endisable(struct clk_hw *hw, bool enable)
 	dev_dbg(dev, "CLK_ON 0x%x/%pC %s\n", reg, hw->clk,
 		enable ? "ON" : "OFF");
 
+	if (enabled == enable)
+		return 0;
+
 	value = bitmask << 16;
-	if (enable)
+	if (enable) {
 		value |= bitmask;
-
-	writel(value, priv->base + reg);
+		writel(value, priv->base + reg);
+		if (clock->mstop_data != BUS_MSTOP_NONE)
+			rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data);
+	} else {
+		if (clock->mstop_data != BUS_MSTOP_NONE)
+			rzv2h_mod_clock_mstop_disable(priv, clock->mstop_data);
+		writel(value, priv->base + reg);
+	}
 
 	if (!enable || clock->mon_index < 0)
 		return 0;
@@ -476,24 +557,6 @@ static void rzv2h_mod_clock_disable(struct clk_hw *hw)
 	rzv2h_mod_clock_endisable(hw, false);
 }
 
-static int rzv2h_mod_clock_is_enabled(struct clk_hw *hw)
-{
-	struct mod_clock *clock = to_mod_clock(hw);
-	struct rzv2h_cpg_priv *priv = clock->priv;
-	u32 bitmask;
-	u32 offset;
-
-	if (clock->mon_index >= 0) {
-		offset = GET_CLK_MON_OFFSET(clock->mon_index);
-		bitmask = BIT(clock->mon_bit);
-	} else {
-		offset = GET_CLK_ON_OFFSET(clock->on_index);
-		bitmask = BIT(clock->on_bit);
-	}
-
-	return readl(priv->base + offset) & bitmask;
-}
-
 static const struct clk_ops rzv2h_mod_clock_ops = {
 	.enable = rzv2h_mod_clock_enable,
 	.disable = rzv2h_mod_clock_disable,
@@ -546,6 +609,7 @@ rzv2h_cpg_register_mod_clk(const struct rzv2h_mod_clk *mod,
 	clock->no_pm = mod->no_pm;
 	clock->priv = priv;
 	clock->hw.init = &init;
+	clock->mstop_data = mod->mstop_data;
 
 	ret = devm_clk_hw_register(dev, &clock->hw);
 	if (ret) {
@@ -555,6 +619,41 @@ rzv2h_cpg_register_mod_clk(const struct rzv2h_mod_clk *mod,
 
 	priv->clks[id] = clock->hw.clk;
 
+	/*
+	 * Ensure the module clocks and MSTOP bits are synchronized when they are
+	 * turned ON by the bootloader. Enable MSTOP bits for module clocks that were
+	 * turned ON in an earlier boot stage.
+	 */
+	if (clock->mstop_data != BUS_MSTOP_NONE &&
+	    !mod->critical && rzv2h_mod_clock_is_enabled(&clock->hw)) {
+		rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data);
+	} else if (clock->mstop_data != BUS_MSTOP_NONE && mod->critical) {
+		unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, clock->mstop_data);
+		u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, clock->mstop_data);
+		unsigned int index = (mstop_index - 1) * 16;
+		atomic_t *mstop = &priv->mstop_count[index];
+		unsigned long flags;
+		unsigned int i;
+		u32 val = 0;
+
+		/*
+		 * Critical clocks are turned ON immediately upon registration, and the
+		 * MSTOP counter is updated through the rzv2h_mod_clock_enable() path.
+		 * However, if the critical clocks were already turned ON by the initial
+		 * bootloader, synchronize the atomic counter here and clear the MSTOP bit.
+		 */
+		spin_lock_irqsave(&priv->rmw_lock, flags);
+		for_each_set_bit(i, &mstop_mask, 16) {
+			if (atomic_read(&mstop[i]))
+				continue;
+			val |= BIT(i) << 16;
+			atomic_inc(&mstop[i]);
+		}
+		if (val)
+			writel(val, priv->base + CPG_BUS_MSTOP(mstop_index));
+		spin_unlock_irqrestore(&priv->rmw_lock, flags);
+	}
+
 	return;
 
 fail:
@@ -822,6 +921,11 @@ static int __init rzv2h_cpg_probe(struct platform_device *pdev)
 	if (!clks)
 		return -ENOMEM;
 
+	priv->mstop_count = devm_kcalloc(dev, info->num_mstop_bits,
+					 sizeof(*priv->mstop_count), GFP_KERNEL);
+	if (!priv->mstop_count)
+		return -ENOMEM;
+
 	priv->resets = devm_kmemdup(dev, info->resets, sizeof(*info->resets) *
 				    info->num_resets, GFP_KERNEL);
 	if (!priv->resets)
diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h
index ed8d2cad32604..dcd65e9c09da4 100644
--- a/drivers/clk/renesas/rzv2h-cpg.h
+++ b/drivers/clk/renesas/rzv2h-cpg.h
@@ -8,6 +8,8 @@
 #ifndef __RENESAS_RZV2H_CPG_H__
 #define __RENESAS_RZV2H_CPG_H__
 
+#include <linux/bitfield.h>
+
 /**
  * struct ddiv - Structure for dynamic switching divider
  *
@@ -46,6 +48,12 @@ struct ddiv {
 #define CDDIV4_DIVCTL1	DDIV_PACK(CPG_CDDIV4, 4, 1, 17)
 #define CDDIV4_DIVCTL2	DDIV_PACK(CPG_CDDIV4, 8, 1, 18)
 
+#define BUS_MSTOP_IDX_MASK	GENMASK(31, 16)
+#define BUS_MSTOP_BITS_MASK	GENMASK(15, 0)
+#define BUS_MSTOP(idx, mask)	(FIELD_PREP_CONST(BUS_MSTOP_IDX_MASK, (idx)) | \
+				 FIELD_PREP_CONST(BUS_MSTOP_BITS_MASK, (mask)))
+#define BUS_MSTOP_NONE		GENMASK(31, 0)
+
 /**
  * Definitions of CPG Core Clocks
  *
@@ -104,6 +112,7 @@ enum clk_types {
  * struct rzv2h_mod_clk - Module Clocks definitions
  *
  * @name: handle between common and hardware-specific interfaces
+ * @mstop_data: packed data mstop register offset and mask
  * @parent: id of parent clock
  * @critical: flag to indicate the clock is critical
  * @no_pm: flag to indicate PM is not supported
@@ -114,6 +123,7 @@ enum clk_types {
  */
 struct rzv2h_mod_clk {
 	const char *name;
+	u32 mstop_data;
 	u16 parent;
 	bool critical;
 	bool no_pm;
@@ -123,9 +133,10 @@ struct rzv2h_mod_clk {
 	u8 mon_bit;
 };
 
-#define DEF_MOD_BASE(_name, _parent, _critical, _no_pm, _onindex, _onbit, _monindex, _monbit) \
+#define DEF_MOD_BASE(_name, _mstop, _parent, _critical, _no_pm, _onindex, _onbit, _monindex, _monbit) \
 	{ \
 		.name = (_name), \
+		.mstop_data = (_mstop), \
 		.parent = (_parent), \
 		.critical = (_critical), \
 		.no_pm = (_no_pm), \
@@ -135,14 +146,14 @@ struct rzv2h_mod_clk {
 		.mon_bit = (_monbit), \
 	}
 
-#define DEF_MOD(_name, _parent, _onindex, _onbit, _monindex, _monbit)		\
-	DEF_MOD_BASE(_name, _parent, false, false, _onindex, _onbit, _monindex, _monbit)
+#define DEF_MOD(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+	DEF_MOD_BASE(_name, _mstop, _parent, false, false, _onindex, _onbit, _monindex, _monbit)
 
-#define DEF_MOD_CRITICAL(_name, _parent, _onindex, _onbit, _monindex, _monbit)	\
-	DEF_MOD_BASE(_name, _parent, true, false, _onindex, _onbit, _monindex, _monbit)
+#define DEF_MOD_CRITICAL(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+	DEF_MOD_BASE(_name, _mstop, _parent, true, false, _onindex, _onbit, _monindex, _monbit)
 
-#define DEF_MOD_NO_PM(_name, _parent, _onindex, _onbit, _monindex, _monbit)		\
-	DEF_MOD_BASE(_name, _parent, false, true, _onindex, _onbit, _monindex, _monbit)
+#define DEF_MOD_NO_PM(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \
+	DEF_MOD_BASE(_name, _mstop, _parent, false, true, _onindex, _onbit, _monindex, _monbit)
 
 /**
  * struct rzv2h_reset - Reset definitions
@@ -184,6 +195,9 @@ struct rzv2h_reset {
  *
  * @resets: Array of Module Reset definitions
  * @num_resets: Number of entries in resets[]
+ *
+ * @num_mstop_bits: Maximum number of MSTOP bits supported, equivalent to the
+ *		    number of CPG_BUS_m_MSTOP registers multiplied by 16.
  */
 struct rzv2h_cpg_info {
 	/* Core Clocks */
@@ -200,6 +214,8 @@ struct rzv2h_cpg_info {
 	/* Resets */
 	const struct rzv2h_reset *resets;
 	unsigned int num_resets;
+
+	unsigned int num_mstop_bits;
 };
 
 extern const struct rzv2h_cpg_info r9a09g057_cpg_info;
