clk: mediatek: Add MediaTek Helio X10 MT6795 clock drivers

Add the clock drivers for the entire clock tree of MediaTek Helio X10
MT6795, including system clocks (apmixedsys, infracfg, pericfg, topckgen)
and multimedia clocks (mmsys, mfg, vdecsys, vencsys).

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220921091455.41327-9-angelogioacchino.delregno@collabora.com
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>

1 files changed, 610 insertions, 0 deletions

diff --git a/drivers/clk/mediatek/clk-mt6795-topckgen.c b/drivers/clk/mediatek/clk-mt6795-topckgen.c
new file mode 100644
index 000000000000..2948dd1aee8f
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6795-topckgen.c
@@ -0,0 +1,610 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 Collabora Ltd.
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#include <dt-bindings/clock/mediatek,mt6795-clk.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include "clk-gate.h"
+#include "clk-mtk.h"
+#include "clk-mux.h"
+
+/*
+ * For some clocks, we don't care what their actual rates are. And these
+ * clocks may change their rate on different products or different scenarios.
+ * So we model these clocks' rate as 0, to denote it's not an actual rate.
+ */
+#define DUMMY_RATE	0
+
+#define TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width, _gate, _flags) \
+		MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _reg,		\
+			(_reg + 0x4), (_reg + 0x8), _shift, _width,		\
+			_gate, 0, -1, _flags)
+
+#define TOP_MUX_GATE(_id, _name, _parents, _reg, _shift, _width, _gate, _flags)	\
+		TOP_MUX_GATE_NOSR(_id, _name, _parents, _reg, _shift, _width,	\
+				  _gate, CLK_SET_RATE_PARENT | _flags)
+
+static DEFINE_SPINLOCK(mt6795_top_clk_lock);
+
+static const char * const aud_1_parents[] = {
+	"clk26m",
+	"apll1_ck",
+	"univpll2_d4",
+	"univpll2_d8"
+};
+
+static const char * const aud_2_parents[] = {
+	"clk26m",
+	"apll2_ck",
+	"univpll2_d4",
+	"univpll2_d8"
+};
+
+static const char * const aud_intbus_parents[] = {
+	"clk26m",
+	"syspll1_d4",
+	"syspll4_d2",
+	"univpll3_d2",
+	"univpll2_d8",
+	"dmpll_d4",
+	"dmpll_d8"
+};
+
+static const char * const audio_parents[] = {
+	"clk26m",
+	"syspll3_d4",
+	"syspll4_d4",
+	"syspll1_d16"
+};
+
+static const char * const axi_mfg_in_parents[] = {
+	"clk26m",
+	"axi_sel",
+	"dmpll_d2"
+};
+
+static const char * const axi_parents[] = {
+	"clk26m",
+	"syspll1_d2",
+	"syspll_d5",
+	"syspll1_d4",
+	"univpll_d5",
+	"univpll2_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const camtg_parents[] = {
+	"clk26m",
+	"univpll_d26",
+	"univpll2_d2",
+	"syspll3_d2",
+	"syspll3_d4",
+	"univpll1_d4",
+	"dmpll_d8"
+};
+
+static const char * const cci400_parents[] = {
+	"clk26m",
+	"vencpll_ck",
+	"clk26m",
+	"clk26m",
+	"univpll_d2",
+	"syspll_d2",
+	"msdcpll_ck",
+	"dmpll_ck"
+};
+
+static const char * const ddrphycfg_parents[] = {
+	"clk26m",
+	"syspll1_d8"
+};
+
+static const char * const dpi0_parents[] = {
+	"clk26m",
+	"tvdpll_d2",
+	"tvdpll_d4",
+	"clk26m",
+	"clk26m",
+	"tvdpll_d8",
+	"tvdpll_d16"
+};
+
+static const char * const i2s0_m_ck_parents[] = {
+	"apll1_div1",
+	"apll2_div1"
+};
+
+static const char * const i2s1_m_ck_parents[] = {
+	"apll1_div2",
+	"apll2_div2"
+};
+
+static const char * const i2s2_m_ck_parents[] = {
+	"apll1_div3",
+	"apll2_div3"
+};
+
+static const char * const i2s3_m_ck_parents[] = {
+	"apll1_div4",
+	"apll2_div4"
+};
+
+static const char * const i2s3_b_ck_parents[] = {
+	"apll1_div5",
+	"apll2_div5"
+};
+
+static const char * const irda_parents[] = {
+	"clk26m",
+	"univpll2_d4",
+	"syspll2_d4",
+	"dmpll_d8",
+};
+
+static const char * const mem_mfg_in_parents[] = {
+	"clk26m",
+	"mmpll_ck",
+	"dmpll_ck"
+};
+
+static const char * const mem_parents[] = {
+	"clk26m",
+	"dmpll_ck"
+};
+
+static const char * const mfg_parents[] = {
+	"clk26m",
+	"mmpll_ck",
+	"dmpll_ck",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"clk26m",
+	"syspll_d3",
+	"syspll1_d2",
+	"syspll_d5",
+	"univpll_d3",
+	"univpll1_d2",
+	"univpll_d5",
+	"univpll2_d2"
+};
+
+static const char * const mm_parents[] = {
+	"clk26m",
+	"vencpll_d2",
+	"syspll_d3",
+	"syspll1_d2",
+	"syspll_d5",
+	"syspll1_d4",
+	"univpll1_d2",
+	"univpll2_d2",
+	"dmpll_d2"
+};
+
+static const char * const mjc_parents[] = {
+	"clk26m",
+	"univpll_d3",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"syspll_d5",
+	"syspll1_d2",
+	"univpll_d5",
+	"univpll2_d2",
+	"dmpll_ck"
+};
+
+static const char * const msdc50_0_h_parents[] = {
+	"clk26m",
+	"syspll1_d2",
+	"syspll2_d2",
+	"syspll4_d2",
+	"univpll_d5",
+	"univpll1_d4"
+};
+
+static const char * const msdc50_0_parents[] = {
+	"clk26m",
+	"msdcpll_ck",
+	"msdcpll_d2",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"msdcpll_d4",
+	"vencpll_d4",
+	"tvdpll_ck",
+	"univpll_d2",
+	"univpll1_d2",
+	"mmpll_ck"
+};
+
+static const char * const msdc30_1_parents[] = {
+	"clk26m",
+	"univpll2_d2",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d4"
+};
+
+static const char * const msdc30_2_parents[] = {
+	"clk26m",
+	"univpll2_d2",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d2"
+};
+
+static const char * const msdc30_3_parents[] = {
+	"clk26m",
+	"univpll2_d2",
+	"msdcpll_d4",
+	"univpll1_d4",
+	"syspll2_d2",
+	"syspll_d7",
+	"univpll_d7",
+	"vencpll_d4"
+};
+
+static const char * const pmicspi_parents[] = {
+	"clk26m",
+	"syspll1_d8",
+	"syspll3_d4",
+	"syspll1_d16",
+	"univpll3_d4",
+	"univpll_d26",
+	"dmpll_d8",
+	"dmpll_d16"
+};
+
+static const char * const pwm_parents[] = {
+	"clk26m",
+	"univpll2_d4",
+	"univpll3_d2",
+	"univpll1_d4"
+};
+
+static const char * const scam_parents[] = {
+	"clk26m",
+	"syspll3_d2",
+	"univpll2_d4",
+	"dmpll_d4"
+};
+
+static const char * const scp_parents[] = {
+	"clk26m",
+	"syspll1_d2",
+	"univpll_d5",
+	"syspll_d5",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const spi_parents[] = {
+	"clk26m",
+	"syspll3_d2",
+	"syspll1_d4",
+	"syspll4_d2",
+	"univpll3_d2",
+	"univpll2_d4",
+	"univpll1_d8"
+};
+
+static const char * const uart_parents[] = {
+	"clk26m",
+	"univpll2_d8"
+};
+
+static const char * const usb20_parents[] = {
+	"clk26m",
+	"univpll1_d8",
+	"univpll3_d4"
+};
+
+static const char * const usb30_parents[] = {
+	"clk26m",
+	"univpll3_d2",
+	"usb_syspll_125m",
+	"univpll2_d4"
+};
+
+static const char * const vdec_parents[] = {
+	"clk26m",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"univpll_d3",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"mmpll_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const char * const venc_parents[] = {
+	"clk26m",
+	"vcodecpll_ck",
+	"tvdpll_445p5m",
+	"univpll_d3",
+	"vencpll_d2",
+	"syspll_d3",
+	"univpll1_d2",
+	"univpll2_d2",
+	"dmpll_d2",
+	"dmpll_d4"
+};
+
+static const struct mtk_fixed_clk fixed_clks[] = {
+	FIXED_CLK(CLK_TOP_ADSYS_26M, "adsys_26m", "clk26m", 26 * MHZ),
+	FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", DUMMY_RATE),
+	FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ),
+	FIXED_CLK(CLK_TOP_DSI0_DIG, "dsi0_dig", "clk26m", DUMMY_RATE),
+	FIXED_CLK(CLK_TOP_DSI1_DIG, "dsi1_dig", "clk26m", DUMMY_RATE),
+};
+
+static const struct mtk_fixed_factor top_divs[] = {
+	FACTOR(CLK_TOP_ARMCA53PLL_754M, "armca53pll_754m", "clk26m", 1, 2),
+	FACTOR(CLK_TOP_ARMCA53PLL_502M, "armca53pll_502m", "clk26m", 1, 3),
+
+	FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2),
+	FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3),
+	FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5),
+	FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7),
+
+	FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4),
+	FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3),
+
+	FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2),
+	FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3),
+	FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5),
+	FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7),
+	FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26),
+
+	FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1),
+	FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793),
+	FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1),
+
+	FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "clk26m", 1, 2),
+	FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "clk26m", 1, 3),
+
+	FACTOR(CLK_TOP_ARMCA53PLL_D2, "armca53pll_d2", "clk26m", 1, 1),
+	FACTOR(CLK_TOP_ARMCA53PLL_D3, "armca53pll_d3", "clk26m", 1, 1),
+
+	FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1),
+	FACTOR(CLK_TOP_APLL2, "apll2_ck", "apll2", 1, 1),
+
+	FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "clkph_mck_o", 1, 1),
+	FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2),
+	FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4),
+	FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8),
+	FACTOR(CLK_TOP_DMPLL_D16, "dmpll_d16", "clkph_mck_o", 1, 16),
+
+	FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1),
+	FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2),
+
+	FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1),
+	FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2),
+	FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4),
+	FACTOR(CLK_TOP_MSDCPLL2, "msdcpll2_ck", "msdcpll2", 1, 1),
+	FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2),
+	FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4),
+
+	FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8),
+	FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16),
+	FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4),
+	FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1),
+	FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2),
+	FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4),
+
+	FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1),
+	FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2),
+	FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll_594m", 1, 4),
+	FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8),
+	FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16),
+
+	FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2),
+	FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4),
+	FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8),
+	FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1),
+	FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2),
+
+	FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3),
+	FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4),
+
+	FACTOR(CLK_TOP_VENCPLL, "vencpll_ck", "vencpll", 1, 1),
+	FACTOR(CLK_TOP_VENCPLL_D2, "vencpll_d2", "vencpll", 1, 2),
+	FACTOR(CLK_TOP_VENCPLL_D4, "vencpll_d4", "vencpll", 1, 4),
+};
+
+static const struct mtk_mux top_muxes[] = {
+	/* CLK_CFG_0 */
+	TOP_MUX_GATE_NOSR(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
+			  0x40, 0, 3, 7, CLK_IS_CRITICAL),
+	TOP_MUX_GATE_NOSR(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
+			  0x40, 8, 1, 15, CLK_IS_CRITICAL),
+	TOP_MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
+		     0x40, 16, 1, 23, CLK_IS_CRITICAL),
+	TOP_MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, 0x40, 24, 3, 31, 0),
+	/* CLK_CFG_1 */
+	TOP_MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x50, 0, 2, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, 0x50, 8, 4, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_VENC_SEL, "venc_sel", venc_parents, 0x50, 16, 4, 23, 0),
+	TOP_MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, 0x50, 24, 4, 31, 0),
+	/* CLK_CFG_2 */
+	TOP_MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, 0x60, 0, 3, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x60, 8, 1, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x60, 16, 3, 23, 0),
+	TOP_MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, 0x60, 24, 2, 31, 0),
+	/* CLK_CFG_3 */
+	TOP_MUX_GATE(CLK_TOP_USB30_SEL, "usb30_sel", usb30_parents, 0x70, 0, 2, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_MSDC50_0_H_SEL, "msdc50_0_h_sel", msdc50_0_h_parents,
+		     0x70, 8, 3, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x70, 16, 4, 23, 0),
+	TOP_MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents, 0x70, 24, 3, 31, 0),
+	/* CLK_CFG_4 */
+	TOP_MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_2_parents, 0x80, 0, 3, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_parents, 0x80, 8, 3, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x80, 16, 2, 23, 0),
+	TOP_MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents,
+		     0x80, 24, 3, 31, 0),
+	/* CLK_CFG_5 */
+	TOP_MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, 0x90, 0, 3, 5, 0),
+	TOP_MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, 0x90, 8, 3, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_MJC_SEL, "mjc_sel", mjc_parents, 0x90, 24, 4, 31, 0),
+	/* CLK_CFG_6 */
+	/*
+	 * The dpi0_sel clock should not propagate rate changes to its parent
+	 * clock so the dpi driver can have full control over PLL and divider.
+	 */
+	TOP_MUX_GATE_NOSR(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0xa0, 0, 3, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_IRDA_SEL, "irda_sel", irda_parents, 0xa0, 8, 2, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_CCI400_SEL, "cci400_sel", cci400_parents,
+		     0xa0, 16, 3, 23, CLK_IS_CRITICAL),
+	TOP_MUX_GATE(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents, 0xa0, 24, 2, 31, 0),
+	/* CLK_CFG_7 */
+	TOP_MUX_GATE(CLK_TOP_AUD_2_SEL, "aud_2_sel", aud_2_parents, 0xb0, 0, 2, 7, 0),
+	TOP_MUX_GATE(CLK_TOP_MEM_MFG_IN_SEL, "mem_mfg_in_sel", mem_mfg_in_parents,
+		     0xb0, 8, 2, 15, 0),
+	TOP_MUX_GATE(CLK_TOP_AXI_MFG_IN_SEL, "axi_mfg_in_sel", axi_mfg_in_parents,
+		     0xb0, 16, 2, 23, 0),
+	TOP_MUX_GATE(CLK_TOP_SCAM_SEL, "scam_sel", scam_parents, 0xb0, 24, 2, 31, 0),
+};
+
+static struct mtk_composite top_aud_divs[] = {
+	MUX(CLK_TOP_I2S0_M_SEL, "i2s0_m_ck_sel", i2s0_m_ck_parents, 0x120, 4, 1),
+	MUX(CLK_TOP_I2S1_M_SEL, "i2s1_m_ck_sel", i2s1_m_ck_parents, 0x120, 5, 1),
+	MUX(CLK_TOP_I2S2_M_SEL, "i2s2_m_ck_sel", i2s2_m_ck_parents, 0x120, 6, 1),
+	MUX(CLK_TOP_I2S3_M_SEL, "i2s3_m_ck_sel", i2s3_m_ck_parents, 0x120, 7, 1),
+	MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1),
+
+	DIV_GATE(CLK_TOP_APLL1_DIV0, "apll1_div0", "aud_1_sel", 0x12c, 8, 0x120, 4, 24),
+	DIV_GATE(CLK_TOP_APLL1_DIV1, "apll1_div1", "aud_1_sel", 0x12c, 9, 0x124, 8, 0),
+	DIV_GATE(CLK_TOP_APLL1_DIV2, "apll1_div2", "aud_1_sel", 0x12c, 10, 0x124, 8, 8),
+	DIV_GATE(CLK_TOP_APLL1_DIV3, "apll1_div3", "aud_1_sel", 0x12c, 11, 0x124, 8, 16),
+	DIV_GATE(CLK_TOP_APLL1_DIV4, "apll1_div4", "aud_1_sel", 0x12c, 12, 0x124, 8, 24),
+	DIV_GATE(CLK_TOP_APLL1_DIV5, "apll1_div5", "apll1_div4", 0x12c, 13, 0x12c, 4, 0),
+
+	DIV_GATE(CLK_TOP_APLL2_DIV0, "apll2_div0", "aud_2_sel", 0x12c, 16, 0x120, 4, 28),
+	DIV_GATE(CLK_TOP_APLL2_DIV1, "apll2_div1", "aud_2_sel", 0x12c, 17, 0x128, 8, 0),
+	DIV_GATE(CLK_TOP_APLL2_DIV2, "apll2_div2", "aud_2_sel", 0x12c, 18, 0x128, 8, 8),
+	DIV_GATE(CLK_TOP_APLL2_DIV3, "apll2_div3", "aud_2_sel", 0x12c, 19, 0x128, 8, 16),
+	DIV_GATE(CLK_TOP_APLL2_DIV4, "apll2_div4", "aud_2_sel", 0x12c, 20, 0x128, 8, 24),
+	DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4),
+};
+
+
+static const struct of_device_id of_match_clk_mt6795_topckgen[] = {
+	{ .compatible = "mediatek,mt6795-topckgen" },
+	{ /* sentinel */ }
+};
+
+static int clk_mt6795_topckgen_probe(struct platform_device *pdev)
+{
+	struct clk_hw_onecell_data *clk_data;
+	struct device_node *node = pdev->dev.of_node;
+	void __iomem *base;
+	int ret;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
+
+	ret = mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
+	if (ret)
+		goto free_clk_data;
+
+	ret = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
+	if (ret)
+		goto unregister_fixed_clks;
+
+	ret = mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node,
+				     &mt6795_top_clk_lock, clk_data);
+	if (ret)
+		goto unregister_factors;
+
+	ret = mtk_clk_register_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), base,
+					  &mt6795_top_clk_lock, clk_data);
+	if (ret)
+		goto unregister_muxes;
+
+	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+	if (ret)
+		goto unregister_composites;
+
+	return 0;
+
+unregister_composites:
+	mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data);
+unregister_muxes:
+	mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
+unregister_factors:
+	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
+unregister_fixed_clks:
+	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
+free_clk_data:
+	mtk_free_clk_data(clk_data);
+	return ret;
+}
+
+static int clk_mt6795_topckgen_remove(struct platform_device *pdev)
+{
+	struct device_node *node = pdev->dev.of_node;
+	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
+
+	of_clk_del_provider(node);
+	mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data);
+	mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
+	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
+	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
+	mtk_free_clk_data(clk_data);
+
+	return 0;
+}
+
+static struct platform_driver clk_mt6795_topckgen_drv = {
+	.driver = {
+		.name = "clk-mt6795-topckgen",
+		.of_match_table = of_match_clk_mt6795_topckgen,
+	},
+	.probe = clk_mt6795_topckgen_probe,
+	.remove = clk_mt6795_topckgen_remove,
+};
+module_platform_driver(clk_mt6795_topckgen_drv);
+
+MODULE_DESCRIPTION("MediaTek MT6795 topckgen clocks driver");
+MODULE_LICENSE("GPL");