[U-Boot] [PATCH] video, ipu: make ldb clock frequenz overwriteable through board code
Heiko Schocher
hs at denx.de
Sun Apr 12 10:19:57 CEST 2015
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 at denx.de>
---
drivers/video/ipu.h | 1 +
drivers/video/ipu_common.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/drivers/video/ipu.h b/drivers/video/ipu.h
index 091b58f..f13934f 100644
--- a/drivers/video/ipu.h
+++ b/drivers/video/ipu.h
@@ -266,4 +266,5 @@ 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);
+int ipu_set_ldb_clock(int rate);
#endif
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 1a209d4..dc054bc 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -1198,3 +1198,14 @@ ipu_color_space_t format_to_colorspace(uint32_t fmt)
}
return RGB;
}
+
+/* should removed when clk framework is availiable */
+int ipu_set_ldb_clock(int rate)
+{
+ if (g_ldb_clk == NULL)
+ return -ENOENT;
+
+ g_ldb_clk->rate = rate;
+
+ return 0;
+}
--
2.1.0
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