ARM: mx28: set proper parent for lcdif clock

Most likely, the LCD panel on mx28 platform will require a pixel
clock higher than ref_xtal_clk (24 MHz), so the patch initializes
the parent of lcdif clock as ref_pix_clk.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index a350f9576019..5e489a2b2023 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -750,6 +750,8 @@ int __init mx28_clocks_init(void)
         clk_enable(&emi_clk);
         clk_enable(&uart_clk);
 
+        clk_set_parent(&lcdif_clk, &ref_pix_clk);
+
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
         mxs_timer_init(&clk32k_clk, MX28_INT_TIMER0);