Most multimedia subsystem clocks will be accessed by multiple
drivers, so it's a better way to manage these clocks in CCF.
This patch adds clock support for MM, IMG, VDEC, VENC and VENC_LT
subsystems.

Signed-off-by: James Liao <jamesjj.liao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
 drivers/clk/mediatek/clk-mt8173.c      | 267 +++++++++++++++++++++++++++++++++
 include/dt-bindings/clock/mt8173-clk.h |  97 +++++++++++-
 2 files changed, 361 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
index a72ce82..2cf6620 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c

@@ -27,6 +27,10 @@ static DEFINE_SPINLOCK(mt8173_clk_lock);
 static const struct mtk_fixed_clk fixed_clks[] __initconst = {
        FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", 400 * MHZ),
        FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ),
+       FIXED_CLK(CLK_TOP_DSI0_DIG, "dsi0_dig", "clk26m", 130 * MHZ),
+       FIXED_CLK(CLK_TOP_DSI1_DIG, "dsi1_dig", "clk26m", 130 * MHZ),
+       FIXED_CLK(CLK_TOP_LVDS_PXL, "lvds_pxl", "lvdspll", 148.5 * MHZ),
+       FIXED_CLK(CLK_TOP_LVDS_CTS, "lvds_cts", "lvdspll", 51.975 * MHZ),
 };

 static const struct mtk_fixed_factor top_divs[] __initconst = {

@@ -699,6 +703,183 @@ static const struct mtk_composite peri_clks[] __initconst = {
        MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1),
 };

+static const struct mtk_gate_regs cg_regs_4_8_0 = {