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authorLothar Waßmann <LW@KARO-electronics.de>2011-07-04 15:52:17 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2011-07-07 09:07:46 +0200
commit9d73242458d9a2fe26e2e240488063d414eacb1c (patch)
tree2f453638268833aa1c2861473dcaee369cc66f24 /arch/arm/mach-mx5
parent23e99d4cae02fb782eece2101d9ea67c77920346 (diff)
downloadblackbird-op-linux-9d73242458d9a2fe26e2e240488063d414eacb1c.tar.gz
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mach-mx5: fix the I2C clock parents
The clock from which the I2C timing is derived is the ipg_perclk not ipg_clk. I2C bus frequency was lower by a factor of ~8 due to the clock divider calculation being based on 66.5MHz IPG clock while the bus actually uses 8MHz ipg_perclk. Kernel version: 3.0.0-rc2 branch 'imx-for-next' of git://git.pengutronix.de/git/imx/linux-2.6 Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 6b89c1bf4eb2..cea2bba06d0b 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1274,9 +1274,9 @@ DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET,
/* I2C */
DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET,
- NULL, NULL, &ipg_clk, NULL);
+ NULL, NULL, &ipg_perclk, NULL);
DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG10_OFFSET,
- NULL, NULL, &ipg_clk, NULL);
+ NULL, NULL, &ipg_perclk, NULL);
DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET,
NULL, NULL, &ipg_clk, NULL);
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