From: Lothar Waßmann Date: Mon, 4 Jul 2011 13:52:17 +0000 (+0200) Subject: mach-mx5: fix the I2C clock parents X-Git-Tag: v3.1-rc1~149^2~1^3~49 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9d73242458d9a2fe26e2e240488063d414eacb1c;p=profile%2Fivi%2Fkernel-x86-ivi.git 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 Signed-off-by: Sascha Hauer --- diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index 6b89c1b..cea2bba 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);