drivers/clk/clk-fractional-divider.c

18  *	n >= 1, n < N_width, where N_width = 2^nwidth		(2)
23  *	floor(log2(parent_rate / rate)) <= nwidth		(3)
32  *	scale = floor(log2(parent_rate / rate)) - nwidth	(5)
90 	nmask = GENMASK(fd->nwidth - 1, 0) << fd->nshift;
131 	 * by (scale - fd->nwidth) bits.
138 		if (scale > fd->nwidth)
139 			rate <<= scale - fd->nwidth;
144 		max_n = BIT(fd->nwidth);
147 		max_n = GENMASK(fd->nwidth - 1, 0);
186 		max_n = BIT(fd->nwidth);
189 		max_n = GENMASK(fd->nwidth - 1, 0);
199 	nmask = GENMASK(fd->nwidth - 1, 0) << fd->nshift;
263 		void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
285 	fd->nwidth = nwidth;
303 		void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
309 			reg, mshift, mwidth, nshift, nwidth, clk_divider_flags,