video, ipu: make ldb clock frequency overwritable through board code

the ldb clock can be setup in board code (for example set through PLL5).
Update the ldb_clock rate also through board code.

This should be removed, if a clock framework is availiable.

Signed-off-by: Heiko Schocher <hs@denx.de>
Tested-by: Eric Nelson <eric.nelson@boundarydevices.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 8ebb205f19..9f85102915 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -1198,3 +1198,11 @@ ipu_color_space_t format_to_colorspace(uint32_t fmt)
 	}
 	return RGB;
 }
+
+/* should be removed when clk framework is availiable */
+int ipu_set_ldb_clock(int rate)
+{
+	ldb_clk.rate = rate;
+
+	return 0;
+}