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| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2012-05-31 07:24:02 +0000 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2012-07-10 11:35:39 +0200 |
| commit | cf65d478ab4e0bb0247c374e6b0b40ef77eddbe8 (patch) | |
| tree | b92165b15e55f1d0c1d831a97cef97666881e8de | |
| parent | 9fbdb1aac5583197270c5d1a7634b7f93b34a654 (diff) | |
| download | u-boot-imx-cf65d478ab4e0bb0247c374e6b0b40ef77eddbe8.zip u-boot-imx-cf65d478ab4e0bb0247c374e6b0b40ef77eddbe8.tar.gz u-boot-imx-cf65d478ab4e0bb0247c374e6b0b40ef77eddbe8.tar.bz2 | |
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>
| -rw-r--r-- | drivers/video/ipu_common.c | 12 | ||||
| -rw-r--r-- | drivers/video/ipu_disp.c | 3 |
2 files changed, 12 insertions, 3 deletions
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 @@ static struct clk ipu_clk = { .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 @@ static int ipu_pixel_clk_set_parent(struct clk *clk, struct clk *parent) 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 @@ int ipu_probe(void) 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 @@ static int dmfc_size_28, dmfc_size_29, dmfc_size_24, dmfc_size_27, dmfc_size_23; 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 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk, 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); |