From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh.Nguyen@freescale.com (Dinh Nguyen) Date: Wed, 5 May 2010 17:56:10 -0500 Subject: [PATCHv1 2.6.34-rc6 2/3] mx5: change usb clock source from pll3 to pll2 In-Reply-To: <1273100171-3235-2-git-send-email-Dinh.Nguyen@freescale.com> References: <1273100171-3235-1-git-send-email-Dinh.Nguyen@freescale.com> <1273100171-3235-2-git-send-email-Dinh.Nguyen@freescale.com> Message-ID: <1273100171-3235-3-git-send-email-Dinh.Nguyen@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org For power management reasons, pll2 should be used to source the USBOH3 clock for mx51. PLL3 can be completely gated off when USB is not used. Signed-off-by: Dinh Nguyen --- arch/arm/mach-mx5/clock-mx51.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index dcca330..933c0d1 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -763,7 +763,7 @@ DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, /* USB */ DEFINE_CLOCK(usboh3_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG14_OFFSET, - NULL, NULL, &pll3_sw_clk, NULL); + NULL, NULL, &pll2_sw_clk, NULL); /* FEC */ DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, -- 1.6.0.4