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MIPS: TXx9: Fix spi-baseclk value
TXx9 SPI bit rate is calculated by:
fBR = fSPI / 2 / (n + 1)
(fSPI is SPI master clock freq, i.e. imbusclk freq.)
So use imbus_clk / 2 as a spi-baseclk.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
authored by Atsushi Nemoto and committed by Ralf Baechle fcc152f3 2b5b9b78
+1
-1
arch/mips/txx9/generic/setup.c
+1
-1
arch/mips/txx9/generic/setup.c
···
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struct clk *clk_get(struct device *dev, const char *id)
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{
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if (!strcmp(id, "spi-baseclk"))
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-
return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4);
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return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2);
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if (!strcmp(id, "imbus_clk"))
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return (struct clk *)((unsigned long)txx9_gbus_clock / 2);
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return ERR_PTR(-ENOENT);