[PATCHv1 2.6.34-rc6 2/3] mx5: change usb clock source from pll3 to pll2

Dinh Nguyen Dinh.Nguyen at freescale.com
Wed May 5 18:56:10 EDT 2010


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 <Dinh.Nguyen at freescale.com>
---
 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




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