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ARM: dts: imx6q-b850v3: Update display clock source

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The default monitor that ships with B850v3 requires a 65MHz pixel clock.
65MHz can not be achieved using PLL3 (480MHz/7=68.5MHz). Hence set the
LDB_DIx clock source to PLL5. Since PLL5 is already in use by IPU1_DIx,
set the clock source for IPU1_DIx to PLL2_PFD2 to allow simultaneous
display on both LVDS and HDMI interface.

Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Akshay Bhat 2016-04-18 17:19:44 -04:00 committed by Shawn Guo
parent 7532c98f3a
commit b492b8744d
1 changed files with 11 additions and 4 deletions
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15
arch/arm/boot/dts/imx6q-b850v3.dts
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@ -53,11 +53,18 @@
};
};
&ldb {
&clks {
assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
<&clks IMX6QDL_CLK_LDB_DI1_SEL>;
assigned-clock-parents = <&clks IMX6QDL_CLK_PLL3_USB_OTG>,
<&clks IMX6QDL_CLK_PLL3_USB_OTG>;
<&clks IMX6QDL_CLK_LDB_DI1_SEL>,
<&clks IMX6QDL_CLK_IPU1_DI0_PRE_SEL>,
<&clks IMX6QDL_CLK_IPU1_DI1_PRE_SEL>;
assigned-clock-parents = <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
<&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
<&clks IMX6QDL_CLK_PLL2_PFD2_396M>,
<&clks IMX6QDL_CLK_PLL2_PFD2_396M>;
};
&ldb {
fsl,dual-channel;
status = "okay";