32 	unsigned long	rate;  member
39 	int		(*set_rate)(struct clk *clk, unsigned long rate);
45 static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
46 static int set_div_rate(struct clk *clk, unsigned long rate);
47 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate);
48 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate);
51 	.rate		= EP93XX_EXT_CLK_RATE,
103 	.rate		= EP93XX_EXT_CLK_RATE,
107 	.rate		= EP93XX_EXT_CLK_RATE,
307 	unsigned long rate = clk_get_rate(clk->parent);  in get_uart_rate()  local
312 		return rate;  in get_uart_rate()
314 		return rate / 2;  in get_uart_rate()
322 	return clk->rate;  in clk_get_rate()
326 static int set_keytchclk_rate(struct clk *clk, unsigned long rate)  in set_keytchclk_rate()  argument
342 	if (rate == EP93XX_KEYTCHCLK_DIV4)  in set_keytchclk_rate()
344 	else if (rate == EP93XX_KEYTCHCLK_DIV16)  in set_keytchclk_rate()
350 	clk->rate = rate;  in set_keytchclk_rate()
354 static int calc_clk_div(struct clk *clk, unsigned long rate,  in calc_clk_div()  argument
362 	max_rate = max3(clk_pll1.rate / 4, clk_pll2.rate / 4, clk_xtali.rate / 4);  in calc_clk_div()
363 	rate = min(rate, max_rate);  in calc_clk_div()
381 		mclk_rate = mclk->rate * 2;  in calc_clk_div()
385 			__div = mclk_rate / (rate * __pdiv);  in calc_clk_div()
391 			if (!found || abs(actual_rate - rate) < rate_err) {  in calc_clk_div()
397 				clk->rate = actual_rate;  in calc_clk_div()
398 				rate_err = abs(actual_rate - rate);  in calc_clk_div()
410 static int set_div_rate(struct clk *clk, unsigned long rate)  in set_div_rate()  argument
415 	err = calc_clk_div(clk, rate, &psel, &esel, &pdiv, &div);  in set_div_rate()
431 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_sclk_rate()  argument
435 	if (rate == clk_i2s_mclk.rate / 2)  in set_i2s_sclk_rate()
438 	else if (rate == clk_i2s_mclk.rate / 4)  in set_i2s_sclk_rate()
444 	clk_i2s_sclk.rate = rate;  in set_i2s_sclk_rate()
448 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_lrclk_rate()  argument
453 	if (rate == clk_i2s_sclk.rate / 32)  in set_i2s_lrclk_rate()
456 	else if (rate == clk_i2s_sclk.rate / 64)  in set_i2s_lrclk_rate()
459 	else if (rate == clk_i2s_sclk.rate / 128)  in set_i2s_lrclk_rate()
465 	clk_i2s_lrclk.rate = rate;  in set_i2s_lrclk_rate()
469 int clk_set_rate(struct clk *clk, unsigned long rate)  in clk_set_rate()  argument
472 		return clk->set_rate(clk, rate);  in clk_set_rate()
488 	unsigned long long rate;  in calc_pll_rate()  local
491 	rate = clk_xtali.rate;  in calc_pll_rate()
492 	rate *= ((config_word >> 11) & 0x1f) + 1;		/* X1FBD */  in calc_pll_rate()
493 	rate *= ((config_word >> 5) & 0x3f) + 1;		/* X2FBD */  in calc_pll_rate()
494 	do_div(rate, (config_word & 0x1f) + 1);			/* X2IPD */  in calc_pll_rate()
496 		rate >>= 1;  in calc_pll_rate()
498 	return (unsigned long)rate;  in calc_pll_rate()
503 	clk_m2p0.rate = clk_h.rate;  in ep93xx_dma_clock_init()
504 	clk_m2p1.rate = clk_h.rate;  in ep93xx_dma_clock_init()
505 	clk_m2p2.rate = clk_h.rate;  in ep93xx_dma_clock_init()
506 	clk_m2p3.rate = clk_h.rate;  in ep93xx_dma_clock_init()
507 	clk_m2p4.rate = clk_h.rate;  in ep93xx_dma_clock_init()
508 	clk_m2p5.rate = clk_h.rate;  in ep93xx_dma_clock_init()
509 	clk_m2p6.rate = clk_h.rate;  in ep93xx_dma_clock_init()
510 	clk_m2p7.rate = clk_h.rate;  in ep93xx_dma_clock_init()
511 	clk_m2p8.rate = clk_h.rate;  in ep93xx_dma_clock_init()
512 	clk_m2p9.rate = clk_h.rate;  in ep93xx_dma_clock_init()
513 	clk_m2m0.rate = clk_h.rate;  in ep93xx_dma_clock_init()
514 	clk_m2m1.rate = clk_h.rate;  in ep93xx_dma_clock_init()
524 		clk_pll1.rate = clk_xtali.rate;  in ep93xx_clock_init()
526 		clk_pll1.rate = calc_pll_rate(value);  in ep93xx_clock_init()
529 	clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7];  in ep93xx_clock_init()
530 	clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7];  in ep93xx_clock_init()
531 	clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3];  in ep93xx_clock_init()
537 		clk_pll2.rate = clk_xtali.rate;  in ep93xx_clock_init()
539 		clk_pll2.rate = calc_pll_rate(value);  in ep93xx_clock_init()
541 		clk_pll2.rate = 0;  in ep93xx_clock_init()
544 	clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1);  in ep93xx_clock_init()
552 		clk_spi.rate /= 2;  in ep93xx_clock_init()
555 		clk_pll1.rate / 1000000, clk_pll2.rate / 1000000);  in ep93xx_clock_init()
557 		clk_f.rate / 1000000, clk_h.rate / 1000000,  in ep93xx_clock_init()
558 		clk_p.rate / 1000000);  in ep93xx_clock_init()