From: Heiko Schocher <hs@denx.de>
Date: Mon, 20 Apr 2015 05:53:48 +0000 (+0200)
Subject: video, ipu: make ldb clock frequency overwritable through board code
X-Git-Tag: KARO-TX6-2015-09-18~2553
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=9e8677d7dc0747724dbb2b14c978f29f644dbfef

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>
---

diff --git a/arch/arm/include/asm/imx-common/video.h b/arch/arm/include/asm/imx-common/video.h
index 1a907d44e4..cad5f861cb 100644
--- a/arch/arm/include/asm/imx-common/video.h
+++ b/arch/arm/include/asm/imx-common/video.h
@@ -26,4 +26,5 @@ extern struct display_info_t const displays[];
 extern size_t display_count;
 #endif
 
+int ipu_set_ldb_clock(int rate);
 #endif
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 18fc606f60..7ed24376c0 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -1168,3 +1168,11 @@ 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;
+}
diff --git a/include/ipu.h b/include/ipu.h
index b1143a4270..3b44613490 100644
--- a/include/ipu.h
+++ b/include/ipu.h
@@ -290,5 +290,4 @@ int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
 void ipu_dp_uninit(ipu_channel_t channel);
 void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap);
 ipu_color_space_t format_to_colorspace(uint32_t fmt);
-
-#endif /* __IPU_H */
+#endif