29 	unsigned long	rate;  member
36 	int		(*set_rate)(struct clk *clk, unsigned long rate);
42 static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
43 static int set_div_rate(struct clk *clk, unsigned long rate);
44 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate);
45 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate);
48 	.rate		= EP93XX_EXT_CLK_RATE,
107 	.rate		= EP93XX_EXT_CLK_RATE,
111 	.rate		= EP93XX_EXT_CLK_RATE,
312 	unsigned long rate = clk_get_rate(clk->parent);  in get_uart_rate()  local
317 		return rate;  in get_uart_rate()
319 		return rate / 2;  in get_uart_rate()
327 	return clk->rate;  in clk_get_rate()
331 static int set_keytchclk_rate(struct clk *clk, unsigned long rate)  in set_keytchclk_rate()  argument
347 	if (rate == EP93XX_KEYTCHCLK_DIV4)  in set_keytchclk_rate()
349 	else if (rate == EP93XX_KEYTCHCLK_DIV16)  in set_keytchclk_rate()
355 	clk->rate = rate;  in set_keytchclk_rate()
359 static int calc_clk_div(struct clk *clk, unsigned long rate,  in calc_clk_div()  argument
367 	max_rate = max3(clk_pll1.rate / 4, clk_pll2.rate / 4, clk_xtali.rate / 4);  in calc_clk_div()
368 	rate = min(rate, max_rate);  in calc_clk_div()
386 		mclk_rate = mclk->rate * 2;  in calc_clk_div()
390 			__div = mclk_rate / (rate * __pdiv);  in calc_clk_div()
396 			if (!found || abs(actual_rate - rate) < rate_err) {  in calc_clk_div()
402 				clk->rate = actual_rate;  in calc_clk_div()
403 				rate_err = abs(actual_rate - rate);  in calc_clk_div()
415 static int set_div_rate(struct clk *clk, unsigned long rate)  in set_div_rate()  argument
420 	err = calc_clk_div(clk, rate, &psel, &esel, &pdiv, &div);  in set_div_rate()
436 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_sclk_rate()  argument
440 	if (rate == clk_i2s_mclk.rate / 2)  in set_i2s_sclk_rate()
443 	else if (rate == clk_i2s_mclk.rate / 4)  in set_i2s_sclk_rate()
449 	clk_i2s_sclk.rate = rate;  in set_i2s_sclk_rate()
453 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_lrclk_rate()  argument
458 	if (rate == clk_i2s_sclk.rate / 32)  in set_i2s_lrclk_rate()
461 	else if (rate == clk_i2s_sclk.rate / 64)  in set_i2s_lrclk_rate()
464 	else if (rate == clk_i2s_sclk.rate / 128)  in set_i2s_lrclk_rate()
470 	clk_i2s_lrclk.rate = rate;  in set_i2s_lrclk_rate()
474 int clk_set_rate(struct clk *clk, unsigned long rate)  in clk_set_rate()  argument
477 		return clk->set_rate(clk, rate);  in clk_set_rate()
483 long clk_round_rate(struct clk *clk, unsigned long rate)  in clk_round_rate()  argument
513 	unsigned long long rate;  in calc_pll_rate()  local
516 	rate = clk_xtali.rate;  in calc_pll_rate()
517 	rate *= ((config_word >> 11) & 0x1f) + 1;		/* X1FBD */  in calc_pll_rate()
518 	rate *= ((config_word >> 5) & 0x3f) + 1;		/* X2FBD */  in calc_pll_rate()
519 	do_div(rate, (config_word & 0x1f) + 1);			/* X2IPD */  in calc_pll_rate()
521 		rate >>= 1;  in calc_pll_rate()
523 	return (unsigned long)rate;  in calc_pll_rate()
528 	clk_m2p0.rate = clk_h.rate;  in ep93xx_dma_clock_init()
529 	clk_m2p1.rate = clk_h.rate;  in ep93xx_dma_clock_init()
530 	clk_m2p2.rate = clk_h.rate;  in ep93xx_dma_clock_init()
531 	clk_m2p3.rate = clk_h.rate;  in ep93xx_dma_clock_init()
532 	clk_m2p4.rate = clk_h.rate;  in ep93xx_dma_clock_init()
533 	clk_m2p5.rate = clk_h.rate;  in ep93xx_dma_clock_init()
534 	clk_m2p6.rate = clk_h.rate;  in ep93xx_dma_clock_init()
535 	clk_m2p7.rate = clk_h.rate;  in ep93xx_dma_clock_init()
536 	clk_m2p8.rate = clk_h.rate;  in ep93xx_dma_clock_init()
537 	clk_m2p9.rate = clk_h.rate;  in ep93xx_dma_clock_init()
538 	clk_m2m0.rate = clk_h.rate;  in ep93xx_dma_clock_init()
539 	clk_m2m1.rate = clk_h.rate;  in ep93xx_dma_clock_init()
549 		clk_pll1.rate = clk_xtali.rate;  in ep93xx_clock_init()
551 		clk_pll1.rate = calc_pll_rate(value);  in ep93xx_clock_init()
554 	clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7];  in ep93xx_clock_init()
555 	clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7];  in ep93xx_clock_init()
556 	clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3];  in ep93xx_clock_init()
562 		clk_pll2.rate = clk_xtali.rate;  in ep93xx_clock_init()
564 		clk_pll2.rate = calc_pll_rate(value);  in ep93xx_clock_init()
566 		clk_pll2.rate = 0;  in ep93xx_clock_init()
569 	clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1);  in ep93xx_clock_init()
577 		clk_spi.rate /= 2;  in ep93xx_clock_init()
580 		clk_pll1.rate / 1000000, clk_pll2.rate / 1000000);  in ep93xx_clock_init()
582 		clk_f.rate / 1000000, clk_h.rate / 1000000,  in ep93xx_clock_init()
583 		clk_p.rate / 1000000);  in ep93xx_clock_init()