diff --git a/drivers/clk/spacemit/ccu-k3.c b/drivers/clk/spacemit/ccu-k3.c
index e98afd59f05c64..196d32194125c6 100644
--- a/drivers/clk/spacemit/ccu-k3.c
+++ b/drivers/clk/spacemit/ccu-k3.c
@@ -947,16 +947,21 @@ static const struct clk_parent_data edp1_pclk_parents[] = {
 };
 CCU_MUX_GATE_DEFINE(edp1_pxclk, edp1_pclk_parents, APMU_LCD_EDP_CTRL, 18, 1, BIT(17), 0);
 
-CCU_GATE_DEFINE(pciea_mstr_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_A, BIT(2), 0);
-CCU_GATE_DEFINE(pciea_slv_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_A, BIT(1), 0);
-CCU_GATE_DEFINE(pcieb_mstr_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_B, BIT(2), 0);
-CCU_GATE_DEFINE(pcieb_slv_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_B, BIT(1), 0);
-CCU_GATE_DEFINE(pciec_mstr_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_C, BIT(2), 0);
-CCU_GATE_DEFINE(pciec_slv_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_C, BIT(1), 0);
-CCU_GATE_DEFINE(pcied_mstr_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_D, BIT(2), 0);
-CCU_GATE_DEFINE(pcied_slv_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_D, BIT(1), 0);
-CCU_GATE_DEFINE(pciee_mstr_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_E, BIT(2), 0);
-CCU_GATE_DEFINE(pciee_slv_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_E, BIT(1), 0);
+CCU_GATE_DEFINE(pciea_mstr_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_A, BIT(2), 0);
+CCU_GATE_DEFINE(pciea_slv_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_A, BIT(1), 0);
+CCU_GATE_DEFINE(pciea_dbi_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_A, BIT(0), 0);
+CCU_GATE_DEFINE(pcieb_mstr_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_B, BIT(2), 0);
+CCU_GATE_DEFINE(pcieb_slv_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_B, BIT(1), 0);
+CCU_GATE_DEFINE(pcieb_dbi_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_B, BIT(0), 0);
+CCU_GATE_DEFINE(pciec_mstr_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_C, BIT(2), 0);
+CCU_GATE_DEFINE(pciec_slv_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_C, BIT(1), 0);
+CCU_GATE_DEFINE(pciec_dbi_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_C, BIT(0), 0);
+CCU_GATE_DEFINE(pcied_mstr_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_D, BIT(2), 0);
+CCU_GATE_DEFINE(pcied_slv_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_D, BIT(1), 0);
+CCU_GATE_DEFINE(pcied_dbi_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_D, BIT(0), 0);
+CCU_GATE_DEFINE(pciee_mstr_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_E, BIT(2), 0);
+CCU_GATE_DEFINE(pciee_slv_clk, CCU_PARENT_HW(pll2_d6), APMU_PCIE_CLK_RES_CTRL_E, BIT(1), 0);
+CCU_GATE_DEFINE(pciee_dbi_clk, CCU_PARENT_HW(axi_clk), APMU_PCIE_CLK_RES_CTRL_E, BIT(0), 0);
 
 static const struct clk_parent_data emac_1588_parents[] = {
 	CCU_PARENT_NAME(vctcxo_24m),
@@ -1391,14 +1396,19 @@ static struct clk_hw *k3_ccu_apmu_hws[] = {
 	[CLK_APMU_EDP1_PXCLK]		= &edp1_pxclk.common.hw,
 	[CLK_APMU_PCIE_PORTA_MSTE]	= &pciea_mstr_clk.common.hw,
 	[CLK_APMU_PCIE_PORTA_SLV]	= &pciea_slv_clk.common.hw,
+	[CLK_APMU_PCIE_PORTA_DBI]	= &pciea_dbi_clk.common.hw,
 	[CLK_APMU_PCIE_PORTB_MSTE]	= &pcieb_mstr_clk.common.hw,
 	[CLK_APMU_PCIE_PORTB_SLV]	= &pcieb_slv_clk.common.hw,
+	[CLK_APMU_PCIE_PORTB_DBI]	= &pcieb_dbi_clk.common.hw,
 	[CLK_APMU_PCIE_PORTC_MSTE]	= &pciec_mstr_clk.common.hw,
 	[CLK_APMU_PCIE_PORTC_SLV]	= &pciec_slv_clk.common.hw,
+	[CLK_APMU_PCIE_PORTC_DBI]	= &pciec_dbi_clk.common.hw,
 	[CLK_APMU_PCIE_PORTD_MSTE]	= &pcied_mstr_clk.common.hw,
 	[CLK_APMU_PCIE_PORTD_SLV]	= &pcied_slv_clk.common.hw,
+	[CLK_APMU_PCIE_PORTD_DBI]	= &pcied_dbi_clk.common.hw,
 	[CLK_APMU_PCIE_PORTE_MSTE]	= &pciee_mstr_clk.common.hw,
 	[CLK_APMU_PCIE_PORTE_SLV]	= &pciee_slv_clk.common.hw,
+	[CLK_APMU_PCIE_PORTE_DBI]	= &pciee_dbi_clk.common.hw,
 	[CLK_APMU_EMAC0_BUS]		= &emac0_bus_clk.common.hw,
 	[CLK_APMU_EMAC0_REF]		= &emac0_ref_clk.common.hw,
 	[CLK_APMU_EMAC0_1588]		= &emac0_1588_clk.common.hw,
diff --git a/include/dt-bindings/clock/spacemit,k3-clocks.h b/include/dt-bindings/clock/spacemit,k3-clocks.h
index b22336f3ae4078..dfae52547cda49 100644
--- a/include/dt-bindings/clock/spacemit,k3-clocks.h
+++ b/include/dt-bindings/clock/spacemit,k3-clocks.h
@@ -380,6 +380,11 @@
 #define CLK_APMU_ISIM_VCLK1      86
 #define CLK_APMU_ISIM_VCLK2      87
 #define CLK_APMU_ISIM_VCLK3      88
+#define CLK_APMU_PCIE_PORTA_DBI  89
+#define CLK_APMU_PCIE_PORTB_DBI  90
+#define CLK_APMU_PCIE_PORTC_DBI  91
+#define CLK_APMU_PCIE_PORTD_DBI  92
+#define CLK_APMU_PCIE_PORTE_DBI  93
 
 /* DCIU clocks */
 #define CLK_DCIU_HDMA            0
diff --git a/include/soc/spacemit/k3-syscon.h b/include/soc/spacemit/k3-syscon.h
index 0299bea065a05d..a68255dd641f31 100644
--- a/include/soc/spacemit/k3-syscon.h
+++ b/include/soc/spacemit/k3-syscon.h
@@ -168,8 +168,8 @@
 #define APMU_CPU_C2_CLK_CTRL		0x394
 #define APMU_CPU_C3_CLK_CTRL		0x208
 #define APMU_PCIE_CLK_RES_CTRL_A	0x1f0
-#define APMU_PCIE_CLK_RES_CTRL_B	0x1c8
-#define APMU_PCIE_CLK_RES_CTRL_C	0x1d0
+#define APMU_PCIE_CLK_RES_CTRL_B	0x1d0
+#define APMU_PCIE_CLK_RES_CTRL_C	0x1c8
 #define APMU_PCIE_CLK_RES_CTRL_D	0x1e0
 #define APMU_PCIE_CLK_RES_CTRL_E	0x1e8
 #define APMU_EMAC0_CLK_RES_CTRL		0x3e4