ipu_common: Add ldb_clk for use in parenting the pixel clock
Add ldb_clk for use in parenting the pixel clock.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index e43a6ec..2020da9 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -219,8 +219,15 @@
.usecount = 0,
};
+static struct clk ldb_clk = {
+ .name = "ldb_clk",
+ .rate = 65000000,
+ .usecount = 0,
+};
+
/* Globals */
struct clk *g_ipu_clk;
+struct clk *g_ldb_clk;
unsigned char g_ipu_clk_enabled;
struct clk *g_di_clk[2];
struct clk *g_pixel_clk[2];
@@ -343,7 +350,7 @@
if (parent == g_ipu_clk)
di_gen &= ~DI_GEN_DI_CLK_EXT;
- else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_di_clk[clk->id])
+ else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_ldb_clk)
di_gen |= DI_GEN_DI_CLK_EXT;
else
return -EINVAL;
@@ -429,7 +436,8 @@
g_ipu_clk = &ipu_clk;
debug("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
-
+ g_ldb_clk = &ldb_clk;
+ debug("ldb_clk = %u\n", clk_get_rate(g_ldb_clk));
ipu_reset();
clk_set_parent(g_pixel_clk[0], g_ipu_clk);
diff --git a/drivers/video/ipu_disp.c b/drivers/video/ipu_disp.c
index fa8fb2c..b4116df 100644
--- a/drivers/video/ipu_disp.c
+++ b/drivers/video/ipu_disp.c
@@ -64,6 +64,7 @@
int g_di1_tvout;
extern struct clk *g_ipu_clk;
+extern struct clk *g_ldb_clk;
extern struct clk *g_di_clk[2];
extern struct clk *g_pixel_clk[2];
@@ -941,7 +942,7 @@
udelay(10000);
}
}
- clk_set_parent(g_pixel_clk[disp], g_di_clk[disp]);
+ clk_set_parent(g_pixel_clk[disp], g_ldb_clk);
} else {
if (clk_get_usecount(g_pixel_clk[disp]) != 0)
clk_set_parent(g_pixel_clk[disp], g_ipu_clk);