[PATCH 1/1] imx25: Fix LCD pixelclock configuration

Carlos Soto
2015-12-23T20:30:10Z

Set LCDC base clock (per_7) parent clock to UPLL clock.
This is needed to allow finer resolution in pixelclock

Signed-off-by: Carlos Soto <csotoalonso@gmail.com>
---
drivers/clk/imx/clk-imx25.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index c4c141c..656340e 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -238,6 +238,12 @@ static int __init __mx25_clocks_init(unsigned long osc_rate,
clk_set_parent(clk[per5_sel], clk[ahb]);

/*
+ * set LCDC base clock (per 7) to highest possible frequency (UPLL)
+ * to get best resolution for pixel clock
+ */
+ clk_set_parent(clk[per7_sel], clk[upll]);
+
+ /*
* Let's initially set up CLKO parent as ipg, since this configuration
* is used on some imx25 board designs to clock the audio codec.
*/
--
1.7.10.4