i.MX25: fix get_rate_otg to return the correct value
usb drivers need to get the right value for otg clock so calculate and return it Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -131,7 +131,10 @@ static unsigned long get_rate_lcdc(struct clk *clk)
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static unsigned long get_rate_otg(struct clk *clk)
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{
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return 48000000; /* FIXME */
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unsigned long cctl = readl(CRM_BASE + CCM_CCTL);
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unsigned long rate = get_rate_upll();
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return (cctl & (1 << 23)) ? 0 : rate / ((0x3F & (cctl >> 16)) + 1);
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}
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static int clk_cgcr_enable(struct clk *clk)
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