[U-Boot] [PATCH v2] video, ipu: make ldb_clock configurable

[Heiko Schocher]

make the ldb_clock configurable through the new define
CONFIG_SYS_LDB_CLOCK. This is needed as the ldb clock is not
always 650000000, for example on the aristainetos2 board,
where the ldb clock derives from PLL5 clock.

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

---

Changes in v2:
- add comment from Eric Nelson
  check CONFIG_SYS_LDB_CLOCK default value
- add Tested-by from Eric Nelson

 drivers/video/ipu_common.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 5873531..8ebb205 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -210,9 +210,13 @@ static struct clk ipu_clk = {
 	.usecount = 0,
 };
 
+#if !defined CONFIG_SYS_LDB_CLOCK
+#define CONFIG_SYS_LDB_CLOCK 65000000
+#endif
+
 static struct clk ldb_clk = {
 	.name = "ldb_clk",
-	.rate = 65000000,
+	.rate = CONFIG_SYS_LDB_CLOCK,
 	.usecount = 0,
 };
 
-- 
2.1.0