clk: mediatek: add clock driver support for MediaTek MT7981 SoC

This patch adds clock driver support for MediaTek MT7981 SoC

Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

3 files changed, 951 insertions, 0 deletions

diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 1aa3821..1decf31 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_TARGET_MT7623) += clk-mt7623.o
 obj-$(CONFIG_TARGET_MT7622) += clk-mt7622.o
 obj-$(CONFIG_TARGET_MT7629) += clk-mt7629.o
 obj-$(CONFIG_TARGET_MT7986) += clk-mt7986.o
+obj-$(CONFIG_TARGET_MT7981) += clk-mt7981.o
 obj-$(CONFIG_TARGET_MT8183) += clk-mt8183.o
 obj-$(CONFIG_TARGET_MT8516) += clk-mt8516.o
 obj-$(CONFIG_TARGET_MT8518) += clk-mt8518.o
diff --git a/drivers/clk/mediatek/clk-mt7981.c b/drivers/clk/mediatek/clk-mt7981.c
new file mode 100644
index 0000000..7fcb814
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt7981.c
@@ -0,0 +1,683 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek clock driver for MT7981 SoC
+ *
+ * Copyright (C) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+#include <dm.h>
+#include <log.h>
+#include <asm/arch-mediatek/reset.h>
+#include <asm/io.h>
+#include <dt-bindings/clock/mt7981-clk.h>
+#include <linux/bitops.h>
+
+#include "clk-mtk.h"
+
+#define MT7981_CLK_PDN 0x250
+#define MT7981_CLK_PDN_EN_WRITE BIT(31)
+
+#define PLL_FACTOR(_id, _name, _parent, _mult, _div)                           \
+	FACTOR(_id, _parent, _mult, _div, CLK_PARENT_APMIXED)
+
+#define TOP_FACTOR(_id, _name, _parent, _mult, _div)                           \
+	FACTOR(_id, _parent, _mult, _div, CLK_PARENT_TOPCKGEN)
+
+#define INFRA_FACTOR(_id, _name, _parent, _mult, _div)                         \
+	FACTOR(_id, _parent, _mult, _div, CLK_PARENT_INFRASYS)
+
+/* FIXED PLLS */
+static const struct mtk_fixed_clk fixed_pll_clks[] = {
+	FIXED_CLK(CK_APMIXED_ARMPLL, CLK_XTAL, 1300000000),
+	FIXED_CLK(CK_APMIXED_NET2PLL, CLK_XTAL, 800000000),
+	FIXED_CLK(CK_APMIXED_MMPLL, CLK_XTAL, 720000000),
+	FIXED_CLK(CK_APMIXED_SGMPLL, CLK_XTAL, 325000000),
+	FIXED_CLK(CK_APMIXED_WEDMCUPLL, CLK_XTAL, 208000000),
+	FIXED_CLK(CK_APMIXED_NET1PLL, CLK_XTAL, 2500000000),
+	FIXED_CLK(CK_APMIXED_MPLL, CLK_XTAL, 416000000),
+	FIXED_CLK(CK_APMIXED_APLL2, CLK_XTAL, 196608000),
+};
+
+/* TOPCKGEN FIXED CLK */
+static const struct mtk_fixed_clk top_fixed_clks[] = {
+	FIXED_CLK(CK_TOP_CB_CKSQ_40M, CLK_XTAL, 40000000),
+};
+
+/* TOPCKGEN FIXED DIV */
+static const struct mtk_fixed_factor top_fixed_divs[] = {
+	PLL_FACTOR(CK_TOP_CB_M_416M, "cb_m_416m", CK_APMIXED_MPLL, 1, 1),
+	PLL_FACTOR(CK_TOP_CB_M_D2, "cb_m_d2", CK_APMIXED_MPLL, 1, 2),
+	PLL_FACTOR(CK_TOP_CB_M_D3, "cb_m_d3", CK_APMIXED_MPLL, 1, 3),
+	PLL_FACTOR(CK_TOP_M_D3_D2, "m_d3_d2", CK_APMIXED_MPLL, 1, 2),
+	PLL_FACTOR(CK_TOP_CB_M_D4, "cb_m_d4", CK_APMIXED_MPLL, 1, 4),
+	PLL_FACTOR(CK_TOP_CB_M_D8, "cb_m_d8", CK_APMIXED_MPLL, 1, 8),
+	PLL_FACTOR(CK_TOP_M_D8_D2, "m_d8_d2", CK_APMIXED_MPLL, 1, 16),
+	PLL_FACTOR(CK_TOP_CB_MM_720M, "cb_mm_720m", CK_APMIXED_MMPLL, 1, 1),
+	PLL_FACTOR(CK_TOP_CB_MM_D2, "cb_mm_d2", CK_APMIXED_MMPLL, 1, 2),
+	PLL_FACTOR(CK_TOP_CB_MM_D3, "cb_mm_d3", CK_APMIXED_MMPLL, 1, 3),
+	PLL_FACTOR(CK_TOP_CB_MM_D3_D5, "cb_mm_d3_d5", CK_APMIXED_MMPLL, 1, 15),
+	PLL_FACTOR(CK_TOP_CB_MM_D4, "cb_mm_d4", CK_APMIXED_MMPLL, 1, 4),
+	PLL_FACTOR(CK_TOP_CB_MM_D6, "cb_mm_d6", CK_APMIXED_MMPLL, 1, 6),
+	PLL_FACTOR(CK_TOP_MM_D6_D2, "mm_d6_d2", CK_APMIXED_MMPLL, 1, 12),
+	PLL_FACTOR(CK_TOP_CB_MM_D8, "cb_mm_d8", CK_APMIXED_MMPLL, 1, 8),
+	PLL_FACTOR(CK_TOP_CB_APLL2_196M, "cb_apll2_196m", CK_APMIXED_APLL2, 1,
+		   1),
+	PLL_FACTOR(CK_TOP_APLL2_D2, "apll2_d2", CK_APMIXED_APLL2, 1, 2),
+	PLL_FACTOR(CK_TOP_APLL2_D4, "apll2_d4", CK_APMIXED_APLL2, 1, 4),
+	PLL_FACTOR(CK_TOP_NET1_2500M, "net1_2500m", CK_APMIXED_NET1PLL, 1, 1),
+	PLL_FACTOR(CK_TOP_CB_NET1_D4, "cb_net1_d4", CK_APMIXED_NET1PLL, 1, 4),
+	PLL_FACTOR(CK_TOP_CB_NET1_D5, "cb_net1_d5", CK_APMIXED_NET1PLL, 1, 5),
+	PLL_FACTOR(CK_TOP_NET1_D5_D2, "net1_d5_d2", CK_APMIXED_NET1PLL, 1, 10),
+	PLL_FACTOR(CK_TOP_NET1_D5_D4, "net1_d5_d4", CK_APMIXED_NET1PLL, 1, 20),
+	PLL_FACTOR(CK_TOP_CB_NET1_D8, "cb_net1_d8", CK_APMIXED_NET1PLL, 1, 8),
+	PLL_FACTOR(CK_TOP_NET1_D8_D2, "net1_d8_d2", CK_APMIXED_NET1PLL, 1, 16),
+	PLL_FACTOR(CK_TOP_NET1_D8_D4, "net1_d8_d4", CK_APMIXED_NET1PLL, 1, 32),
+	PLL_FACTOR(CK_TOP_CB_NET2_800M, "cb_net2_800m", CK_APMIXED_NET2PLL, 1,
+		   1),
+	PLL_FACTOR(CK_TOP_CB_NET2_D2, "cb_net2_d2", CK_APMIXED_NET2PLL, 1, 2),
+	PLL_FACTOR(CK_TOP_CB_NET2_D4, "cb_net2_d4", CK_APMIXED_NET2PLL, 1, 4),
+	PLL_FACTOR(CK_TOP_NET2_D4_D2, "net2_d4_d2", CK_APMIXED_NET2PLL, 1, 8),
+	PLL_FACTOR(CK_TOP_NET2_D4_D4, "net2_d4_d4", CK_APMIXED_NET2PLL, 1, 16),
+	PLL_FACTOR(CK_TOP_CB_NET2_D6, "cb_net2_d6", CK_APMIXED_NET2PLL, 1, 6),
+	PLL_FACTOR(CK_TOP_CB_WEDMCU_208M, "cb_wedmcu_208m",
+		   CK_APMIXED_WEDMCUPLL, 1, 1),
+	PLL_FACTOR(CK_TOP_CB_SGM_325M, "cb_sgm_325m", CK_APMIXED_SGMPLL, 1, 1),
+	TOP_FACTOR(CK_TOP_CKSQ_40M_D2, "cksq_40m_d2", CK_TOP_CB_CKSQ_40M, 1, 2),
+	TOP_FACTOR(CK_TOP_CB_RTC_32K, "cb_rtc_32k", CK_TOP_CB_CKSQ_40M, 1,
+		   1250),
+	TOP_FACTOR(CK_TOP_CB_RTC_32P7K, "cb_rtc_32p7k", CK_TOP_CB_CKSQ_40M, 1,
+		   1220),
+	TOP_FACTOR(CK_TOP_USB_TX250M, "usb_tx250m", CK_TOP_CB_CKSQ_40M, 1, 1),
+	TOP_FACTOR(CK_TOP_FAUD, "faud", CK_TOP_CB_CKSQ_40M, 1, 1),
+	TOP_FACTOR(CK_TOP_NFI1X, "nfi1x", CK_TOP_NFI1X_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_USB_EQ_RX250M, "usb_eq_rx250m", CK_TOP_CB_CKSQ_40M, 1,
+		   1),
+	TOP_FACTOR(CK_TOP_USB_CDR_CK, "usb_cdr", CK_TOP_CB_CKSQ_40M, 1, 1),
+	TOP_FACTOR(CK_TOP_USB_LN0_CK, "usb_ln0", CK_TOP_CB_CKSQ_40M, 1, 1),
+	TOP_FACTOR(CK_TOP_SPINFI_BCK, "spinfi_bck", CK_TOP_SPINFI_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_SPI, "spi", CK_TOP_SPI_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_SPIM_MST, "spim_mst", CK_TOP_SPIM_MST_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_UART_BCK, "uart_bck", CK_TOP_UART_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_PWM_BCK, "pwm_bck", CK_TOP_PWM_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_I2C_BCK, "i2c_bck", CK_TOP_I2C_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_PEXTP_TL, "pextp_tl", CK_TOP_PEXTP_TL_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_EMMC_208M, "emmc_208m", CK_TOP_EMMC_208M_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_EMMC_400M, "emmc_400m", CK_TOP_EMMC_400M_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_DRAMC_REF, "dramc_ref", CK_TOP_DRAMC_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_DRAMC_MD32, "dramc_md32", CK_TOP_DRAMC_MD32_SEL, 1,
+		   1),
+	TOP_FACTOR(CK_TOP_SYSAXI, "sysaxi", CK_TOP_SYSAXI_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_SYSAPB, "sysapb", CK_TOP_SYSAPB_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_ARM_DB_MAIN, "arm_db_main", CK_TOP_ARM_DB_MAIN_SEL, 1,
+		   1),
+	TOP_FACTOR(CK_TOP_AP2CNN_HOST, "ap2cnn_host", CK_TOP_AP2CNN_HOST_SEL, 1,
+		   1),
+	TOP_FACTOR(CK_TOP_NETSYS, "netsys", CK_TOP_NETSYS_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_NETSYS_500M, "netsys_500m", CK_TOP_NETSYS_500M_SEL, 1,
+		   1),
+	TOP_FACTOR(CK_TOP_NETSYS_WED_MCU, "netsys_wed_mcu",
+		   CK_TOP_NETSYS_MCU_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_NETSYS_2X, "netsys_2x", CK_TOP_NETSYS_2X_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_SGM_325M, "sgm_325m", CK_TOP_SGM_325M_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_SGM_REG, "sgm_reg", CK_TOP_SGM_REG_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_F26M, "csw_f26m", CK_TOP_F26M_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_EIP97B, "eip97b", CK_TOP_EIP97B_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_USB3_PHY, "usb3_phy", CK_TOP_USB3_PHY_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_AUD, "aud", CK_TOP_FAUD, 1, 1),
+	TOP_FACTOR(CK_TOP_A1SYS, "a1sys", CK_TOP_A1SYS_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_AUD_L, "aud_l", CK_TOP_AUD_L_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_A_TUNER, "a_tuner", CK_TOP_A_TUNER_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_U2U3_REF, "u2u3_ref", CK_TOP_U2U3_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_U2U3_SYS, "u2u3_sys", CK_TOP_U2U3_SYS_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_U2U3_XHCI, "u2u3_xhci", CK_TOP_U2U3_XHCI_SEL, 1, 1),
+	TOP_FACTOR(CK_TOP_USB_FRMCNT, "usb_frmcnt", CK_TOP_USB_FRMCNT_SEL, 1,
+		   1),
+};
+
+/* TOPCKGEN MUX PARENTS */
+static const int nfi1x_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_MM_D4,
+				     CK_TOP_NET1_D8_D2,  CK_TOP_CB_NET2_D6,
+				     CK_TOP_CB_M_D4,     CK_TOP_CB_MM_D8,
+				     CK_TOP_NET1_D8_D4,  CK_TOP_CB_M_D8 };
+
+static const int spinfi_parents[] = { CK_TOP_CKSQ_40M_D2, CK_TOP_CB_CKSQ_40M,
+				      CK_TOP_NET1_D5_D4,  CK_TOP_CB_M_D4,
+				      CK_TOP_CB_MM_D8,    CK_TOP_NET1_D8_D4,
+				      CK_TOP_MM_D6_D2,    CK_TOP_CB_M_D8 };
+
+static const int spi_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_M_D2,
+				   CK_TOP_CB_MM_D4,    CK_TOP_NET1_D8_D2,
+				   CK_TOP_CB_NET2_D6,  CK_TOP_NET1_D5_D4,
+				   CK_TOP_CB_M_D4,     CK_TOP_NET1_D8_D4 };
+
+static const int uart_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_M_D8,
+				    CK_TOP_M_D8_D2 };
+
+static const int pwm_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_NET1_D8_D2,
+				   CK_TOP_NET1_D5_D4,  CK_TOP_CB_M_D4,
+				   CK_TOP_M_D8_D2,     CK_TOP_CB_RTC_32K };
+
+static const int i2c_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_NET1_D5_D4,
+				   CK_TOP_CB_M_D4, CK_TOP_NET1_D8_D4 };
+
+static const int pextp_tl_ck_parents[] = { CK_TOP_CB_CKSQ_40M,
+					   CK_TOP_NET1_D5_D4, CK_TOP_CB_M_D4,
+					   CK_TOP_CB_RTC_32K };
+
+static const int emmc_208m_parents[] = {
+	CK_TOP_CB_CKSQ_40M,   CK_TOP_CB_M_D2,  CK_TOP_CB_NET2_D4,
+	CK_TOP_CB_APLL2_196M, CK_TOP_CB_MM_D4, CK_TOP_NET1_D8_D2,
+	CK_TOP_CB_MM_D6
+};
+
+static const int emmc_400m_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_NET2_D2,
+					 CK_TOP_CB_MM_D2, CK_TOP_CB_NET2_D2 };
+
+static const int csw_f26m_parents[] = { CK_TOP_CKSQ_40M_D2, CK_TOP_M_D8_D2 };
+
+static const int dramc_md32_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_M_D2,
+					  CK_TOP_CB_WEDMCU_208M };
+
+static const int sysaxi_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_NET1_D8_D2 };
+
+static const int sysapb_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_M_D3_D2 };
+
+static const int arm_db_main_parents[] = { CK_TOP_CB_CKSQ_40M,
+					   CK_TOP_CB_NET2_D6 };
+
+static const int ap2cnn_host_parents[] = { CK_TOP_CB_CKSQ_40M,
+					   CK_TOP_NET1_D8_D4 };
+
+static const int netsys_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_MM_D2 };
+
+static const int netsys_500m_parents[] = { CK_TOP_CB_CKSQ_40M,
+					   CK_TOP_CB_NET1_D5 };
+
+static const int netsys_mcu_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_MM_720M,
+					  CK_TOP_CB_NET1_D4, CK_TOP_CB_NET1_D5,
+					  CK_TOP_CB_M_416M };
+
+static const int netsys_2x_parents[] = { CK_TOP_CB_CKSQ_40M,
+					 CK_TOP_CB_NET2_800M,
+					 CK_TOP_CB_MM_720M };
+
+static const int sgm_325m_parents[] = { CK_TOP_CB_CKSQ_40M,
+					CK_TOP_CB_SGM_325M };
+
+static const int sgm_reg_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_NET2_D4 };
+
+static const int eip97b_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_NET1_D5,
+				      CK_TOP_CB_M_416M, CK_TOP_CB_MM_D2,
+				      CK_TOP_NET1_D5_D2 };
+
+static const int aud_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_APLL2_196M };
+
+static const int a1sys_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_APLL2_D4 };
+
+static const int aud_l_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_CB_APLL2_196M,
+				     CK_TOP_M_D8_D2 };
+
+static const int a_tuner_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_APLL2_D4,
+				       CK_TOP_M_D8_D2 };
+
+static const int u2u3_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_M_D8_D2 };
+
+static const int u2u3_sys_parents[] = { CK_TOP_CB_CKSQ_40M, CK_TOP_NET1_D5_D4 };
+
+static const int usb_frmcnt_parents[] = { CK_TOP_CB_CKSQ_40M,
+					  CK_TOP_CB_MM_D3_D5 };
+
+#define TOP_MUX(_id, _name, _parents, _mux_ofs, _mux_set_ofs, _mux_clr_ofs,    \
+		_shift, _width, _gate, _upd_ofs, _upd)                         \
+	{                                                                      \
+		.id = _id, .mux_reg = _mux_ofs, .mux_set_reg = _mux_set_ofs,   \
+		.mux_clr_reg = _mux_clr_ofs, .upd_reg = _upd_ofs,              \
+		.upd_shift = _upd, .mux_shift = _shift,                        \
+		.mux_mask = BIT(_width) - 1, .gate_reg = _mux_ofs,             \
+		.gate_shift = _gate, .parent = _parents,                       \
+		.num_parents = ARRAY_SIZE(_parents),                           \
+		.flags = CLK_MUX_SETCLR_UPD,                                   \
+	}
+
+/* TOPCKGEN MUX_GATE */
+static const struct mtk_composite top_muxes[] = {
+	TOP_MUX(CK_TOP_NFI1X_SEL, "nfi1x_sel", nfi1x_parents, 0x0, 0x4, 0x8, 0,
+		3, 7, 0x1c0, 0),
+	TOP_MUX(CK_TOP_SPINFI_SEL, "spinfi_sel", spinfi_parents, 0x0, 0x4, 0x8,
+		8, 3, 15, 0x1c0, 1),
+	TOP_MUX(CK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x0, 0x4, 0x8, 16, 3,
+		23, 0x1c0, 2),
+	TOP_MUX(CK_TOP_SPIM_MST_SEL, "spim_mst_sel", spi_parents, 0x0, 0x4, 0x8,
+		24, 3, 31, 0x1c0, 3),
+	TOP_MUX(CK_TOP_UART_SEL, "uart_sel", uart_parents, 0x10, 0x14, 0x18, 0,
+		2, 7, 0x1c0, 4),
+	TOP_MUX(CK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x10, 0x14, 0x18, 8, 3,
+		15, 0x1c0, 5),
+	TOP_MUX(CK_TOP_I2C_SEL, "i2c_sel", i2c_parents, 0x10, 0x14, 0x18, 16, 2,
+		23, 0x1c0, 6),
+	TOP_MUX(CK_TOP_PEXTP_TL_SEL, "pextp_tl_ck_sel", pextp_tl_ck_parents,
+		0x10, 0x14, 0x18, 24, 2, 31, 0x1c0, 7),
+	TOP_MUX(CK_TOP_EMMC_208M_SEL, "emmc_208m_sel", emmc_208m_parents, 0x20,
+		0x24, 0x28, 0, 3, 7, 0x1c0, 8),
+	TOP_MUX(CK_TOP_EMMC_400M_SEL, "emmc_400m_sel", emmc_400m_parents, 0x20,
+		0x24, 0x28, 8, 2, 15, 0x1c0, 9),
+	TOP_MUX(CK_TOP_F26M_SEL, "csw_f26m_sel", csw_f26m_parents, 0x20, 0x24,
+		0x28, 16, 1, 23, 0x1c0, 10),
+	TOP_MUX(CK_TOP_DRAMC_SEL, "dramc_sel", csw_f26m_parents, 0x20, 0x24,
+		0x28, 24, 1, 31, 0x1c0, 11),
+	TOP_MUX(CK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", dramc_md32_parents,
+		0x30, 0x34, 0x38, 0, 2, 7, 0x1c0, 12),
+	TOP_MUX(CK_TOP_SYSAXI_SEL, "sysaxi_sel", sysaxi_parents, 0x30, 0x34,
+		0x38, 8, 1, 15, 0x1c0, 13),
+	TOP_MUX(CK_TOP_SYSAPB_SEL, "sysapb_sel", sysapb_parents, 0x30, 0x34,
+		0x38, 16, 1, 23, 0x1c0, 14),
+	TOP_MUX(CK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel", arm_db_main_parents,
+		0x30, 0x34, 0x38, 24, 1, 31, 0x1c0, 15),
+	TOP_MUX(CK_TOP_AP2CNN_HOST_SEL, "ap2cnn_host_sel", ap2cnn_host_parents,
+		0x40, 0x44, 0x48, 0, 1, 7, 0x1c0, 16),
+	TOP_MUX(CK_TOP_NETSYS_SEL, "netsys_sel", netsys_parents, 0x40, 0x44,
+		0x48, 8, 1, 15, 0x1c0, 17),
+	TOP_MUX(CK_TOP_NETSYS_500M_SEL, "netsys_500m_sel", netsys_500m_parents,
+		0x40, 0x44, 0x48, 16, 1, 23, 0x1c0, 18),
+	TOP_MUX(CK_TOP_NETSYS_MCU_SEL, "netsys_mcu_sel", netsys_mcu_parents,
+		0x40, 0x44, 0x48, 24, 3, 31, 0x1c0, 19),
+	TOP_MUX(CK_TOP_NETSYS_2X_SEL, "netsys_2x_sel", netsys_2x_parents, 0x50,
+		0x54, 0x58, 0, 2, 7, 0x1c0, 20),
+	TOP_MUX(CK_TOP_SGM_325M_SEL, "sgm_325m_sel", sgm_325m_parents, 0x50,
+		0x54, 0x58, 8, 1, 15, 0x1c0, 21),
+	TOP_MUX(CK_TOP_SGM_REG_SEL, "sgm_reg_sel", sgm_reg_parents, 0x50, 0x54,
+		0x58, 16, 1, 23, 0x1c0, 22),
+	TOP_MUX(CK_TOP_EIP97B_SEL, "eip97b_sel", eip97b_parents, 0x50, 0x54,
+		0x58, 24, 3, 31, 0x1c0, 23),
+	TOP_MUX(CK_TOP_USB3_PHY_SEL, "usb3_phy_sel", csw_f26m_parents, 0x60,
+		0x64, 0x68, 0, 1, 7, 0x1c0, 24),
+	TOP_MUX(CK_TOP_AUD_SEL, "aud_sel", aud_parents, 0x60, 0x64, 0x68, 8, 1,
+		15, 0x1c0, 25),
+	TOP_MUX(CK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents, 0x60, 0x64, 0x68,
+		16, 1, 23, 0x1c0, 26),
+	TOP_MUX(CK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents, 0x60, 0x64, 0x68,
+		24, 2, 31, 0x1c0, 27),
+	TOP_MUX(CK_TOP_A_TUNER_SEL, "a_tuner_sel", a_tuner_parents, 0x70, 0x74,
+		0x78, 0, 2, 7, 0x1c0, 28),
+	TOP_MUX(CK_TOP_U2U3_SEL, "u2u3_sel", u2u3_parents, 0x70, 0x74, 0x78, 8,
+		1, 15, 0x1c0, 29),
+	TOP_MUX(CK_TOP_U2U3_SYS_SEL, "u2u3_sys_sel", u2u3_sys_parents, 0x70,
+		0x74, 0x78, 16, 1, 23, 0x1c0, 30),
+	TOP_MUX(CK_TOP_U2U3_XHCI_SEL, "u2u3_xhci_sel", u2u3_sys_parents, 0x70,
+		0x74, 0x78, 24, 1, 31, 0x1c4, 0),
+	TOP_MUX(CK_TOP_USB_FRMCNT_SEL, "usb_frmcnt_sel", usb_frmcnt_parents,
+		0x80, 0x84, 0x88, 0, 1, 7, 0x1c4, 1),
+};
+
+/* INFRA FIXED DIV */
+static const struct mtk_fixed_factor infra_fixed_divs[] = {
+	TOP_FACTOR(CK_INFRA_CK_F26M, "infra_ck_f26m", CK_TOP_F26M_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_UART, "infra_uart", CK_TOP_UART_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_ISPI0, "infra_ispi0", CK_TOP_SPI_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_I2C, "infra_i2c", CK_TOP_I2C_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_ISPI1, "infra_ispi1", CK_TOP_SPIM_MST_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_PWM, "infra_pwm", CK_TOP_PWM_SEL, 1, 1),
+	TOP_FACTOR(CK_INFRA_66M_MCK, "infra_66m_mck", CK_TOP_SYSAXI_SEL, 1, 2),
+	TOP_FACTOR(CK_INFRA_CK_F32K, "infra_ck_f32k", CK_TOP_CB_RTC_32P7K, 1,
+		   1),
+	TOP_FACTOR(CK_INFRA_PCIE_CK, "infra_pcie", CK_TOP_PEXTP_TL_SEL, 1, 1),
+	INFRA_FACTOR(CK_INFRA_PWM_BCK, "infra_pwm_bck", CK_INFRA_PWM_BSEL, 1,
+		     1),
+	INFRA_FACTOR(CK_INFRA_PWM_CK1, "infra_pwm_ck1", CK_INFRA_PWM1_SEL, 1,
+		     1),
+	INFRA_FACTOR(CK_INFRA_PWM_CK2, "infra_pwm_ck2", CK_INFRA_PWM2_SEL, 1,
+		     1),
+	TOP_FACTOR(CK_INFRA_133M_HCK, "infra_133m_hck", CK_TOP_SYSAXI, 1, 1),
+	INFRA_FACTOR(CK_INFRA_66M_PHCK, "infra_66m_phck", CK_INFRA_133M_HCK, 1,
+		     1),
+	TOP_FACTOR(CK_INFRA_FAUD_L_CK, "infra_faud_l", CK_TOP_AUD_L, 1, 1),
+	TOP_FACTOR(CK_INFRA_FAUD_AUD_CK, "infra_faud_aud", CK_TOP_A1SYS, 1, 1),
+	TOP_FACTOR(CK_INFRA_FAUD_EG2_CK, "infra_faud_eg2", CK_TOP_A_TUNER, 1,
+		   1),
+	TOP_FACTOR(CK_INFRA_I2CS_CK, "infra_i2cs", CK_TOP_I2C_BCK, 1, 1),
+	INFRA_FACTOR(CK_INFRA_MUX_UART0, "infra_mux_uart0", CK_INFRA_UART0_SEL,
+		     1, 1),
+	INFRA_FACTOR(CK_INFRA_MUX_UART1, "infra_mux_uart1", CK_INFRA_UART1_SEL,
+		     1, 1),
+	INFRA_FACTOR(CK_INFRA_MUX_UART2, "infra_mux_uart2", CK_INFRA_UART2_SEL,
+		     1, 1),
+	TOP_FACTOR(CK_INFRA_NFI_CK, "infra_nfi", CK_TOP_NFI1X, 1, 1),
+	TOP_FACTOR(CK_INFRA_SPINFI_CK, "infra_spinfi", CK_TOP_SPINFI_BCK, 1, 1),
+	INFRA_FACTOR(CK_INFRA_MUX_SPI0, "infra_mux_spi0", CK_INFRA_SPI0_SEL, 1,
+		     1),
+	INFRA_FACTOR(CK_INFRA_MUX_SPI1, "infra_mux_spi1", CK_INFRA_SPI1_SEL, 1,
+		     1),
+	INFRA_FACTOR(CK_INFRA_MUX_SPI2, "infra_mux_spi2", CK_INFRA_SPI2_SEL, 1,
+		     1),
+	TOP_FACTOR(CK_INFRA_RTC_32K, "infra_rtc_32k", CK_TOP_CB_RTC_32K, 1, 1),
+	TOP_FACTOR(CK_INFRA_FMSDC_CK, "infra_fmsdc", CK_TOP_EMMC_400M, 1, 1),
+	TOP_FACTOR(CK_INFRA_FMSDC_HCK_CK, "infra_fmsdc_hck", CK_TOP_EMMC_208M,
+		   1, 1),
+	TOP_FACTOR(CK_INFRA_PERI_133M, "infra_peri_133m", CK_TOP_SYSAXI, 1, 1),
+	TOP_FACTOR(CK_INFRA_133M_PHCK, "infra_133m_phck", CK_TOP_SYSAXI, 1, 1),
+	TOP_FACTOR(CK_INFRA_USB_SYS_CK, "infra_usb_sys", CK_TOP_U2U3_SYS, 1, 1),
+	TOP_FACTOR(CK_INFRA_USB_CK, "infra_usb", CK_TOP_U2U3_REF, 1, 1),
+	TOP_FACTOR(CK_INFRA_USB_XHCI_CK, "infra_usb_xhci", CK_TOP_U2U3_XHCI, 1,
+		   1),
+	TOP_FACTOR(CK_INFRA_PCIE_GFMUX_TL_O_PRE, "infra_pcie_mux",
+		   CK_TOP_PEXTP_TL, 1, 1),
+	TOP_FACTOR(CK_INFRA_F26M_CK0, "infra_f26m_ck0", CK_TOP_F26M, 1, 1),
+	TOP_FACTOR(CK_INFRA_133M_MCK, "infra_133m_mck", CK_TOP_SYSAXI, 1, 1),
+};
+
+/* INFRASYS MUX PARENTS */
+static const int infra_uart0_parents[] = { CK_INFRA_CK_F26M, CK_INFRA_UART };
+
+static const int infra_spi0_parents[] = { CK_INFRA_I2C, CK_INFRA_ISPI0 };
+
+static const int infra_spi1_parents[] = { CK_INFRA_I2C, CK_INFRA_ISPI1 };
+
+static const int infra_pwm1_parents[] = { -1, -1, -1, CK_INFRA_PWM };
+
+static const int infra_pwm_bsel_parents[] = { -1, -1, -1, CK_INFRA_PWM };
+
+static const int infra_pcie_parents[] = { CK_INFRA_CK_F32K, CK_INFRA_CK_F26M,
+					  CK_TOP_CB_CKSQ_40M, CK_INFRA_PCIE_CK};
+
+#define INFRA_MUX(_id, _name, _parents, _reg, _shift, _width)                  \
+	{                                                                      \
+		.id = _id, .mux_reg = (_reg) + 0x8,                            \
+		.mux_set_reg = (_reg) + 0x0, .mux_clr_reg = (_reg) + 0x4,      \
+		.mux_shift = _shift, .mux_mask = BIT(_width) - 1,              \
+		.parent = _parents, .num_parents = ARRAY_SIZE(_parents),       \
+		.flags = CLK_MUX_SETCLR_UPD | CLK_PARENT_INFRASYS,             \
+	}
+
+/* INFRA MUX */
+static const struct mtk_composite infra_muxes[] = {
+	INFRA_MUX(CK_INFRA_UART0_SEL, "infra_uart0_sel", infra_uart0_parents,
+		  0x10, 0, 1),
+	INFRA_MUX(CK_INFRA_UART1_SEL, "infra_uart1_sel", infra_uart0_parents,
+		  0x10, 1, 1),
+	INFRA_MUX(CK_INFRA_UART2_SEL, "infra_uart2_sel", infra_uart0_parents,
+		  0x10, 2, 1),
+	INFRA_MUX(CK_INFRA_SPI0_SEL, "infra_spi0_sel", infra_spi0_parents, 0x10,
+		  4, 1),
+	INFRA_MUX(CK_INFRA_SPI1_SEL, "infra_spi1_sel", infra_spi1_parents, 0x10,
+		  5, 1),
+	INFRA_MUX(CK_INFRA_SPI2_SEL, "infra_spi2_sel", infra_spi0_parents, 0x10,
+		  6, 1),
+	INFRA_MUX(CK_INFRA_PWM1_SEL, "infra_pwm1_sel", infra_pwm1_parents, 0x10,
+		  9, 2),
+	INFRA_MUX(CK_INFRA_PWM2_SEL, "infra_pwm2_sel", infra_pwm1_parents, 0x10,
+		  11, 2),
+	INFRA_MUX(CK_INFRA_PWM_BSEL, "infra_pwm_bsel", infra_pwm_bsel_parents,
+		  0x10, 13, 2),
+	INFRA_MUX(CK_INFRA_PCIE_SEL, "infra_pcie_sel", infra_pcie_parents, 0x20,
+		  0, 2),
+};
+
+static const struct mtk_gate_regs infra_0_cg_regs = {
+	.set_ofs = 0x40,
+	.clr_ofs = 0x44,
+	.sta_ofs = 0x48,
+};
+
+static const struct mtk_gate_regs infra_1_cg_regs = {
+	.set_ofs = 0x50,
+	.clr_ofs = 0x54,
+	.sta_ofs = 0x58,
+};
+
+static const struct mtk_gate_regs infra_2_cg_regs = {
+	.set_ofs = 0x60,
+	.clr_ofs = 0x64,
+	.sta_ofs = 0x68,
+};
+
+#define GATE_INFRA0(_id, _name, _parent, _shift)                               \
+	{                                                                      \
+		.id = _id, .parent = _parent, .regs = &infra_0_cg_regs,        \
+		.shift = _shift,                                               \
+		.flags = CLK_GATE_SETCLR | CLK_PARENT_INFRASYS,                \
+	}
+
+#define GATE_INFRA1(_id, _name, _parent, _shift)                               \
+	{                                                                      \
+		.id = _id, .parent = _parent, .regs = &infra_1_cg_regs,        \
+		.shift = _shift,                                               \
+		.flags = CLK_GATE_SETCLR | CLK_PARENT_INFRASYS,                \
+	}
+
+#define GATE_INFRA2(_id, _name, _parent, _shift)                               \
+	{                                                                      \
+		.id = _id, .parent = _parent, .regs = &infra_2_cg_regs,        \
+		.shift = _shift,                                               \
+		.flags = CLK_GATE_SETCLR | CLK_PARENT_INFRASYS,                \
+	}
+
+/* INFRA GATE */
+static const struct mtk_gate infracfg_ao_gates[] = {
+	GATE_INFRA0(CK_INFRA_GPT_STA, "infra_gpt_sta", CK_INFRA_66M_MCK, 0),
+	GATE_INFRA0(CK_INFRA_PWM_HCK, "infra_pwm_hck", CK_INFRA_66M_MCK, 1),
+	GATE_INFRA0(CK_INFRA_PWM_STA, "infra_pwm_sta", CK_INFRA_PWM_BCK, 2),
+	GATE_INFRA0(CK_INFRA_PWM1_CK, "infra_pwm1", CK_INFRA_PWM_CK1, 3),
+	GATE_INFRA0(CK_INFRA_PWM2_CK, "infra_pwm2", CK_INFRA_PWM_CK2, 4),
+	GATE_INFRA0(CK_INFRA_CQ_DMA_CK, "infra_cq_dma", CK_INFRA_133M_HCK, 6),
+	GATE_INFRA0(CK_INFRA_AUD_BUS_CK, "infra_aud_bus", CK_INFRA_66M_PHCK, 8),
+	GATE_INFRA0(CK_INFRA_AUD_26M_CK, "infra_aud_26m", CK_INFRA_CK_F26M, 9),
+	GATE_INFRA0(CK_INFRA_AUD_L_CK, "infra_aud_l", CK_INFRA_FAUD_L_CK, 10),
+	GATE_INFRA0(CK_INFRA_AUD_AUD_CK, "infra_aud_aud", CK_INFRA_FAUD_AUD_CK,
+		    11),
+	GATE_INFRA0(CK_INFRA_AUD_EG2_CK, "infra_aud_eg2", CK_INFRA_FAUD_EG2_CK,
+		    13),
+	GATE_INFRA0(CK_INFRA_DRAMC_26M_CK, "infra_dramc_26m", CK_INFRA_CK_F26M,
+		    14),
+	GATE_INFRA0(CK_INFRA_DBG_CK, "infra_dbg", CK_INFRA_66M_MCK, 15),
+	GATE_INFRA0(CK_INFRA_AP_DMA_CK, "infra_ap_dma", CK_INFRA_66M_MCK, 16),
+	GATE_INFRA0(CK_INFRA_SEJ_CK, "infra_sej", CK_INFRA_66M_MCK, 24),
+	GATE_INFRA0(CK_INFRA_SEJ_13M_CK, "infra_sej_13m", CK_INFRA_CK_F26M, 25),
+	GATE_INFRA1(CK_INFRA_THERM_CK, "infra_therm", CK_INFRA_CK_F26M, 0),
+	GATE_INFRA1(CK_INFRA_I2CO_CK, "infra_i2co", CK_INFRA_I2CS_CK, 1),
+	GATE_INFRA1(CK_INFRA_UART0_CK, "infra_uart0", CK_INFRA_MUX_UART0, 2),
+	GATE_INFRA1(CK_INFRA_UART1_CK, "infra_uart1", CK_INFRA_MUX_UART1, 3),
+	GATE_INFRA1(CK_INFRA_UART2_CK, "infra_uart2", CK_INFRA_MUX_UART2, 4),
+	GATE_INFRA1(CK_INFRA_SPI2_CK, "infra_spi2", CK_INFRA_MUX_SPI2, 6),
+	GATE_INFRA1(CK_INFRA_SPI2_HCK_CK, "infra_spi2_hck", CK_INFRA_66M_MCK,
+		    7),
+	GATE_INFRA1(CK_INFRA_NFI1_CK, "infra_nfi1", CK_INFRA_NFI_CK, 8),
+	GATE_INFRA1(CK_INFRA_SPINFI1_CK, "infra_spinfi1", CK_INFRA_SPINFI_CK,
+		    9),
+	GATE_INFRA1(CK_INFRA_NFI_HCK_CK, "infra_nfi_hck", CK_INFRA_66M_MCK, 10),
+	GATE_INFRA1(CK_INFRA_SPI0_CK, "infra_spi0", CK_INFRA_MUX_SPI0, 11),
+	GATE_INFRA1(CK_INFRA_SPI1_CK, "infra_spi1", CK_INFRA_MUX_SPI1, 12),
+	GATE_INFRA1(CK_INFRA_SPI0_HCK_CK, "infra_spi0_hck", CK_INFRA_66M_MCK,
+		    13),
+	GATE_INFRA1(CK_INFRA_SPI1_HCK_CK, "infra_spi1_hck", CK_INFRA_66M_MCK,
+		    14),
+	GATE_INFRA1(CK_INFRA_FRTC_CK, "infra_frtc", CK_INFRA_RTC_32K, 15),
+	GATE_INFRA1(CK_INFRA_MSDC_CK, "infra_msdc", CK_INFRA_FMSDC_CK, 16),
+	GATE_INFRA1(CK_INFRA_MSDC_HCK_CK, "infra_msdc_hck",
+		    CK_INFRA_FMSDC_HCK_CK, 17),
+	GATE_INFRA1(CK_INFRA_MSDC_133M_CK, "infra_msdc_133m",
+		    CK_INFRA_PERI_133M, 18),
+	GATE_INFRA1(CK_INFRA_MSDC_66M_CK, "infra_msdc_66m", CK_INFRA_66M_PHCK,
+		    19),
+	GATE_INFRA1(CK_INFRA_ADC_26M_CK, "infra_adc_26m", CK_TOP_F26M, 20),
+	GATE_INFRA1(CK_INFRA_ADC_FRC_CK, "infra_adc_frc", CK_TOP_F26M, 21),
+	GATE_INFRA1(CK_INFRA_FBIST2FPC_CK, "infra_fbist2fpc", CK_INFRA_NFI_CK,
+		    23),
+	GATE_INFRA1(CK_INFRA_I2C_MCK_CK, "infra_i2c_mck", CK_INFRA_133M_MCK,
+		    25),
+	GATE_INFRA1(CK_INFRA_I2C_PCK_CK, "infra_i2c_pck", CK_INFRA_66M_MCK, 26),
+	GATE_INFRA2(CK_INFRA_IUSB_133_CK, "infra_iusb_133", CK_INFRA_133M_PHCK,
+		    0),
+	GATE_INFRA2(CK_INFRA_IUSB_66M_CK, "infra_iusb_66m", CK_INFRA_66M_PHCK,
+		    1),
+	GATE_INFRA2(CK_INFRA_IUSB_SYS_CK, "infra_iusb_sys", CK_INFRA_USB_SYS_CK,
+		    2),
+	GATE_INFRA2(CK_INFRA_IUSB_CK, "infra_iusb", CK_INFRA_USB_CK, 3),
+	GATE_INFRA2(CK_INFRA_IPCIE_CK, "infra_ipcie",
+		    CK_INFRA_PCIE_GFMUX_TL_O_PRE, 12),
+	GATE_INFRA2(CK_INFRA_IPCIER_CK, "infra_ipcier", CK_INFRA_F26M_CK0, 14),
+	GATE_INFRA2(CK_INFRA_IPCIEB_CK, "infra_ipcieb", CK_INFRA_133M_PHCK, 15),
+};
+
+static const struct mtk_clk_tree mt7981_fixed_pll_clk_tree = {
+	.fdivs_offs = CLK_APMIXED_NR_CLK,
+	.xtal_rate = 40 * MHZ,
+	.fclks = fixed_pll_clks,
+};
+
+static const struct mtk_clk_tree mt7981_topckgen_clk_tree = {
+	.fdivs_offs = CK_TOP_CB_M_416M,
+	.muxes_offs = CK_TOP_NFI1X_SEL,
+	.fclks = top_fixed_clks,
+	.fdivs = top_fixed_divs,
+	.muxes = top_muxes,
+	.flags = CLK_BYPASS_XTAL,
+};
+
+static const struct mtk_clk_tree mt7981_infracfg_clk_tree = {
+	.fdivs_offs = CK_INFRA_CK_F26M,
+	.muxes_offs = CK_INFRA_UART0_SEL,
+	.fdivs = infra_fixed_divs,
+	.muxes = infra_muxes,
+};
+
+static const struct udevice_id mt7981_fixed_pll_compat[] = {
+	{ .compatible = "mediatek,mt7981-fixed-plls" },
+	{}
+};
+
+static const struct udevice_id mt7981_topckgen_compat[] = {
+	{ .compatible = "mediatek,mt7981-topckgen" },
+	{}
+};
+
+static int mt7981_fixed_pll_probe(struct udevice *dev)
+{
+	return mtk_common_clk_init(dev, &mt7981_fixed_pll_clk_tree);
+}
+
+static int mt7981_topckgen_probe(struct udevice *dev)
+{
+	struct mtk_clk_priv *priv = dev_get_priv(dev);
+
+	priv->base = dev_read_addr_ptr(dev);
+	writel(MT7981_CLK_PDN_EN_WRITE, priv->base + MT7981_CLK_PDN);
+
+	return mtk_common_clk_init(dev, &mt7981_topckgen_clk_tree);
+}
+
+U_BOOT_DRIVER(mtk_clk_apmixedsys) = {
+	.name = "mt7981-clock-fixed-pll",
+	.id = UCLASS_CLK,
+	.of_match = mt7981_fixed_pll_compat,
+	.probe = mt7981_fixed_pll_probe,
+	.priv_auto = sizeof(struct mtk_clk_priv),
+	.ops = &mtk_clk_topckgen_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
+
+U_BOOT_DRIVER(mtk_clk_topckgen) = {
+	.name = "mt7981-clock-topckgen",
+	.id = UCLASS_CLK,
+	.of_match = mt7981_topckgen_compat,
+	.probe = mt7981_topckgen_probe,
+	.priv_auto = sizeof(struct mtk_clk_priv),
+	.ops = &mtk_clk_topckgen_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
+
+static const struct udevice_id mt7981_infracfg_compat[] = {
+	{ .compatible = "mediatek,mt7981-infracfg" },
+	{}
+};
+
+static const struct udevice_id mt7981_infracfg_ao_compat[] = {
+	{ .compatible = "mediatek,mt7981-infracfg_ao" },
+	{}
+};
+
+static int mt7981_infracfg_probe(struct udevice *dev)
+{
+	return mtk_common_clk_init(dev, &mt7981_infracfg_clk_tree);
+}
+
+static int mt7981_infracfg_ao_probe(struct udevice *dev)
+{
+	return mtk_common_clk_gate_init(dev, &mt7981_infracfg_clk_tree,
+					infracfg_ao_gates);
+}
+
+U_BOOT_DRIVER(mtk_clk_infracfg) = {
+	.name = "mt7981-clock-infracfg",
+	.id = UCLASS_CLK,
+	.of_match = mt7981_infracfg_compat,
+	.probe = mt7981_infracfg_probe,
+	.priv_auto = sizeof(struct mtk_clk_priv),
+	.ops = &mtk_clk_infrasys_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
+
+U_BOOT_DRIVER(mtk_clk_infracfg_ao) = {
+	.name = "mt7981-clock-infracfg-ao",
+	.id = UCLASS_CLK,
+	.of_match = mt7981_infracfg_ao_compat,
+	.probe = mt7981_infracfg_ao_probe,
+	.priv_auto = sizeof(struct mtk_cg_priv),
+	.ops = &mtk_clk_gate_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
+
+/* ethsys */
+static const struct mtk_gate_regs eth_cg_regs = {
+	.set_ofs = 0x30,
+	.clr_ofs = 0x30,
+	.sta_ofs = 0x30,
+};
+
+#define GATE_ETH(_id, _name, _parent, _shift)                                  \
+	{                                                                      \
+		.id = _id, .parent = _parent, .regs = &eth_cg_regs,            \
+		.shift = _shift,                                               \
+		.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN,         \
+	}
+
+static const struct mtk_gate eth_cgs[] = {
+	GATE_ETH(CK_ETH_FE_EN, "eth_fe_en", CK_TOP_NETSYS_2X, 6),
+	GATE_ETH(CK_ETH_GP2_EN, "eth_gp2_en", CK_TOP_SGM_325M, 7),
+	GATE_ETH(CK_ETH_GP1_EN, "eth_gp1_en", CK_TOP_SGM_325M, 8),
+	GATE_ETH(CK_ETH_WOCPU0_EN, "eth_wocpu0_en", CK_TOP_NETSYS_WED_MCU, 15),
+};
+
+static int mt7981_ethsys_probe(struct udevice *dev)
+{
+	return mtk_common_clk_gate_init(dev, &mt7981_topckgen_clk_tree,
+					eth_cgs);
+}
+
+static int mt7981_ethsys_bind(struct udevice *dev)
+{
+	int ret = 0;
+
+	if (CONFIG_IS_ENABLED(RESET_MEDIATEK)) {
+		ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
+		if (ret)
+			debug("Warning: failed to bind reset controller\n");
+	}
+
+	return ret;
+}
+
+static const struct udevice_id mt7981_ethsys_compat[] = {
+	{ .compatible = "mediatek,mt7981-ethsys", },
+	{}
+};
+
+U_BOOT_DRIVER(mtk_clk_ethsys) = {
+	.name = "mt7981-clock-ethsys",
+	.id = UCLASS_CLK,
+	.of_match = mt7981_ethsys_compat,
+	.probe = mt7981_ethsys_probe,
+	.bind = mt7981_ethsys_bind,
+	.priv_auto = sizeof(struct mtk_cg_priv),
+	.ops = &mtk_clk_gate_ops,
+};
diff --git a/include/dt-bindings/clock/mt7981-clk.h b/include/dt-bindings/clock/mt7981-clk.h
new file mode 100644
index 0000000..e24c759
--- /dev/null
+++ b/include/dt-bindings/clock/mt7981-clk.h
@@ -0,0 +1,267 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 MediaTek Inc. All rights reserved.
+ *
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+#ifndef _DT_BINDINGS_CLK_MT7981_H
+#define _DT_BINDINGS_CLK_MT7981_H
+
+/* INFRACFG */
+
+#define CK_INFRA_CK_F26M		0
+#define CK_INFRA_UART			1
+#define CK_INFRA_ISPI0			2
+#define CK_INFRA_I2C			3
+#define CK_INFRA_ISPI1			4
+#define CK_INFRA_PWM			5
+#define CK_INFRA_66M_MCK		6
+#define CK_INFRA_CK_F32K		7
+#define CK_INFRA_PCIE_CK		8
+#define CK_INFRA_PWM_BCK		9
+#define CK_INFRA_PWM_CK1		10
+#define CK_INFRA_PWM_CK2		11
+#define CK_INFRA_133M_HCK		12
+#define CK_INFRA_66M_PHCK		13
+#define CK_INFRA_FAUD_L_CK		14
+#define CK_INFRA_FAUD_AUD_CK		15
+#define CK_INFRA_FAUD_EG2_CK		16
+#define CK_INFRA_I2CS_CK		17
+#define CK_INFRA_MUX_UART0		18
+#define CK_INFRA_MUX_UART1		19
+#define CK_INFRA_MUX_UART2		20
+#define CK_INFRA_NFI_CK			21
+#define CK_INFRA_SPINFI_CK		22
+#define CK_INFRA_MUX_SPI0		23
+#define CK_INFRA_MUX_SPI1		24
+#define CK_INFRA_MUX_SPI2		25
+#define CK_INFRA_RTC_32K		26
+#define CK_INFRA_FMSDC_CK		27
+#define CK_INFRA_FMSDC_HCK_CK		28
+#define CK_INFRA_PERI_133M		29
+#define CK_INFRA_133M_PHCK		30
+#define CK_INFRA_USB_SYS_CK		31
+#define CK_INFRA_USB_CK			32
+#define CK_INFRA_USB_XHCI_CK		33
+#define CK_INFRA_PCIE_GFMUX_TL_O_PRE	34
+#define CK_INFRA_F26M_CK0		35
+#define CK_INFRA_133M_MCK		36
+#define CLK_INFRA_NR_CLK		37
+
+/* TOPCKGEN */
+
+#define CK_TOP_CB_CKSQ_40M		0
+#define CK_TOP_CB_M_416M		1
+#define CK_TOP_CB_M_D2			2
+#define CK_TOP_CB_M_D3			3
+#define CK_TOP_M_D3_D2			4
+#define CK_TOP_CB_M_D4			5
+#define CK_TOP_CB_M_D8			6
+#define CK_TOP_M_D8_D2			7
+#define CK_TOP_CB_MM_720M		8
+#define CK_TOP_CB_MM_D2			9
+#define CK_TOP_CB_MM_D3			10
+#define CK_TOP_CB_MM_D3_D5		11
+#define CK_TOP_CB_MM_D4			12
+#define CK_TOP_CB_MM_D6			13
+#define CK_TOP_MM_D6_D2			14
+#define CK_TOP_CB_MM_D8			15
+#define CK_TOP_CB_APLL2_196M		16
+#define CK_TOP_APLL2_D2			17
+#define CK_TOP_APLL2_D4			18
+#define CK_TOP_NET1_2500M		19
+#define CK_TOP_CB_NET1_D4		20
+#define CK_TOP_CB_NET1_D5		21
+#define CK_TOP_NET1_D5_D2		22
+#define CK_TOP_NET1_D5_D4		23
+#define CK_TOP_CB_NET1_D8		24
+#define CK_TOP_NET1_D8_D2		25
+#define CK_TOP_NET1_D8_D4		26
+#define CK_TOP_CB_NET2_800M		27
+#define CK_TOP_CB_NET2_D2		28
+#define CK_TOP_CB_NET2_D4		29
+#define CK_TOP_NET2_D4_D2		30
+#define CK_TOP_NET2_D4_D4		31
+#define CK_TOP_CB_NET2_D6		32
+#define CK_TOP_CB_WEDMCU_208M		33
+#define CK_TOP_CB_SGM_325M		34
+#define CK_TOP_CKSQ_40M_D2		35
+#define CK_TOP_CB_RTC_32K		36
+#define CK_TOP_CB_RTC_32P7K		37
+#define CK_TOP_USB_TX250M		38
+#define CK_TOP_FAUD			39
+#define CK_TOP_NFI1X			40
+#define CK_TOP_USB_EQ_RX250M		41
+#define CK_TOP_USB_CDR_CK		42
+#define CK_TOP_USB_LN0_CK		43
+#define CK_TOP_SPINFI_BCK		44
+#define CK_TOP_SPI			45
+#define CK_TOP_SPIM_MST			46
+#define CK_TOP_UART_BCK			47
+#define CK_TOP_PWM_BCK			48
+#define CK_TOP_I2C_BCK			49
+#define CK_TOP_PEXTP_TL			50
+#define CK_TOP_EMMC_208M		51
+#define CK_TOP_EMMC_400M		52
+#define CK_TOP_DRAMC_REF		53
+#define CK_TOP_DRAMC_MD32		54
+#define CK_TOP_SYSAXI			55
+#define CK_TOP_SYSAPB			56
+#define CK_TOP_ARM_DB_MAIN		57
+#define CK_TOP_AP2CNN_HOST		58
+#define CK_TOP_NETSYS			59
+#define CK_TOP_NETSYS_500M		60
+#define CK_TOP_NETSYS_WED_MCU		61
+#define CK_TOP_NETSYS_2X		62
+#define CK_TOP_SGM_325M			63
+#define CK_TOP_SGM_REG			64
+#define CK_TOP_F26M			65
+#define CK_TOP_EIP97B			66
+#define CK_TOP_USB3_PHY			67
+#define CK_TOP_AUD			68
+#define CK_TOP_A1SYS			69
+#define CK_TOP_AUD_L			70
+#define CK_TOP_A_TUNER			71
+#define CK_TOP_U2U3_REF			72
+#define CK_TOP_U2U3_SYS			73
+#define CK_TOP_U2U3_XHCI		74
+#define CK_TOP_USB_FRMCNT		75
+#define CK_TOP_NFI1X_SEL		76
+#define CK_TOP_SPINFI_SEL		77
+#define CK_TOP_SPI_SEL			78
+#define CK_TOP_SPIM_MST_SEL		79
+#define CK_TOP_UART_SEL			80
+#define CK_TOP_PWM_SEL			81
+#define CK_TOP_I2C_SEL			82
+#define CK_TOP_PEXTP_TL_SEL		83
+#define CK_TOP_EMMC_208M_SEL		84
+#define CK_TOP_EMMC_400M_SEL		85
+#define CK_TOP_F26M_SEL			86
+#define CK_TOP_DRAMC_SEL		87
+#define CK_TOP_DRAMC_MD32_SEL		88
+#define CK_TOP_SYSAXI_SEL		89
+#define CK_TOP_SYSAPB_SEL		90
+#define CK_TOP_ARM_DB_MAIN_SEL		91
+#define CK_TOP_AP2CNN_HOST_SEL		92
+#define CK_TOP_NETSYS_SEL		93
+#define CK_TOP_NETSYS_500M_SEL		94
+#define CK_TOP_NETSYS_MCU_SEL		95
+#define CK_TOP_NETSYS_2X_SEL		96
+#define CK_TOP_SGM_325M_SEL		97
+#define CK_TOP_SGM_REG_SEL		98
+#define CK_TOP_EIP97B_SEL		99
+#define CK_TOP_USB3_PHY_SEL		100
+#define CK_TOP_AUD_SEL			101
+#define CK_TOP_A1SYS_SEL		102
+#define CK_TOP_AUD_L_SEL		103
+#define CK_TOP_A_TUNER_SEL		104
+#define CK_TOP_U2U3_SEL			105
+#define CK_TOP_U2U3_SYS_SEL		106
+#define CK_TOP_U2U3_XHCI_SEL		107
+#define CK_TOP_USB_FRMCNT_SEL		108
+#define CLK_TOP_NR_CLK			109
+
+/*
+ * INFRACFG_AO
+ * clock muxes need to be append to infracfg domain, and clock gates
+ * need to be keep in infracgh_ao domain
+ */
+#define INFRACFG_AO_OFFSET		10
+
+#define CK_INFRA_UART0_SEL		(0 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_UART1_SEL		(1 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_UART2_SEL		(2 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_SPI0_SEL		(3 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_SPI1_SEL		(4 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_SPI2_SEL		(5 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_PWM1_SEL		(6 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_PWM2_SEL		(7 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_PWM_BSEL		(8 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_PCIE_SEL		(9 + CLK_INFRA_NR_CLK)
+#define CK_INFRA_GPT_STA		(10 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_PWM_HCK		(11 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_PWM_STA		(12 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_PWM1_CK		(13 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_PWM2_CK		(14 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_CQ_DMA_CK		(15 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AUD_BUS_CK		(16 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AUD_26M_CK		(17 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AUD_L_CK		(18 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AUD_AUD_CK		(19 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AUD_EG2_CK		(20 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_DRAMC_26M_CK		(21 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_DBG_CK			(22 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_AP_DMA_CK		(23 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SEJ_CK			(24 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SEJ_13M_CK		(25 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_THERM_CK		(26 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_I2CO_CK		(27 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_UART0_CK		(28 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_UART1_CK		(29 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_UART2_CK		(30 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI2_CK		(31 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI2_HCK_CK		(32 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_NFI1_CK		(33 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPINFI1_CK		(34 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_NFI_HCK_CK		(35 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI0_CK		(36 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI1_CK		(37 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI0_HCK_CK		(38 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_SPI1_HCK_CK		(39 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_FRTC_CK		(40 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_MSDC_CK		(41 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_MSDC_HCK_CK		(42 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_MSDC_133M_CK		(43 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_MSDC_66M_CK		(44 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_ADC_26M_CK		(45 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_ADC_FRC_CK		(46 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_FBIST2FPC_CK		(47 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_I2C_MCK_CK		(48 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_I2C_PCK_CK		(49 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IUSB_133_CK		(50 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IUSB_66M_CK		(51 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IUSB_SYS_CK		(52 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IUSB_CK		(53 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IPCIE_CK		(54 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IPCIER_CK		(55 - INFRACFG_AO_OFFSET)
+#define CK_INFRA_IPCIEB_CK		(56 - INFRACFG_AO_OFFSET)
+#define CLK_INFRA_AO_NR_CLK		(57 - INFRACFG_AO_OFFSET)
+
+/* APMIXEDSYS */
+
+#define CK_APMIXED_ARMPLL		0
+#define CK_APMIXED_NET2PLL		1
+#define CK_APMIXED_MMPLL		2
+#define CK_APMIXED_SGMPLL		3
+#define CK_APMIXED_WEDMCUPLL		4
+#define CK_APMIXED_NET1PLL		5
+#define CK_APMIXED_MPLL			6
+#define CK_APMIXED_APLL2		7
+#define CLK_APMIXED_NR_CLK		8
+
+/* SGMIISYS_0 */
+
+#define CK_SGM0_TX_EN			0
+#define CK_SGM0_RX_EN			1
+#define CK_SGM0_CK0_EN			2
+#define CK_SGM0_CDR_CK0_EN		3
+#define CLK_SGMII0_NR_CLK		4
+
+/* SGMIISYS_1 */
+
+#define CK_SGM1_TX_EN			0
+#define CK_SGM1_RX_EN			1
+#define CK_SGM1_CK1_EN			2
+#define CK_SGM1_CDR_CK1_EN		3
+#define CLK_SGMII1_NR_CLK		4
+
+/* ETHSYS */
+
+#define CK_ETH_FE_EN			0
+#define CK_ETH_GP2_EN			1
+#define CK_ETH_GP1_EN			2
+#define CK_ETH_WOCPU0_EN		3
+#define CLK_ETH_NR_CLK			4
+
+#endif /* _DT_BINDINGS_CLK_MT7981_H */