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ARM i.MX6q: set the LDB serial clock parent to the video PLL 

On i.MX6q revision 1.1 and later, set the video PLL as parent for
the LDB clock branch. On revision 1.0, the video PLL is useless
due to missing dividers, so keep the default parent (mmdc_ch1_axi).

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Philipp Zabel 2013-03-28 16:23:32 +01:00 committed by Shawn Guo
parent 2df1d026ed
commit 32f3b8da22
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-imx/clk-imx6q.c
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@ -547,6 +547,11 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[cko1], "cko1", NULL);
clk_register_clkdev(clk[arm], NULL, "cpu0");
if (imx6q_revision() != IMX_CHIP_REVISION_1_0) {
clk_set_parent(clk[ldb_di0_sel], clk[pll5_video_div]);
clk_set_parent(clk[ldb_di1_sel], clk[pll5_video_div]);
}
/*
* The gpmi needs 100MHz frequency in the EDO/Sync mode,
* We can not get the 100MHz from the pll2_pfd0_352m.