diff options
author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-09-03 09:59:00 -0400 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2009-11-02 06:00:07 -0500 |
commit | fcc152f3bf55cec61167b173774cbf717b0ff5e4 (patch) | |
tree | 7005fde7d87f7f93fa33a39f1cda3194ed94a632 /arch/mips/txx9 | |
parent | 2b5b9b786c177fa4bca1646325a1dd98c4399523 (diff) |
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>
Diffstat (limited to 'arch/mips/txx9')
-rw-r--r-- | arch/mips/txx9/generic/setup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index dfe4720ac82e..e10184c1b3e1 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c | |||
@@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata = 1; | |||
85 | struct clk *clk_get(struct device *dev, const char *id) | 85 | struct clk *clk_get(struct device *dev, const char *id) |
86 | { | 86 | { |
87 | if (!strcmp(id, "spi-baseclk")) | 87 | if (!strcmp(id, "spi-baseclk")) |
88 | return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4); | 88 | return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2); |
89 | if (!strcmp(id, "imbus_clk")) | 89 | if (!strcmp(id, "imbus_clk")) |
90 | return (struct clk *)((unsigned long)txx9_gbus_clock / 2); | 90 | return (struct clk *)((unsigned long)txx9_gbus_clock / 2); |
91 | return ERR_PTR(-ENOENT); | 91 | return ERR_PTR(-ENOENT); |