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video: i.MX IPUv3 ldb: implement i.MX53 support 

Configure the clock path correctly for i.MX53.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-05-06 12:58:54 +02:00
parent f864768cf9
commit 5910c62a67
1 changed files with 30 additions and 1 deletions
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31
drivers/video/imx-ipu-v3/imx-ldb.c
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@ -190,7 +190,36 @@ static int imx6q_ldb_prepare(struct imx_ldb_channel *imx_ldb_ch, int di)
static int imx53_ldb_prepare(struct imx_ldb_channel *imx_ldb_ch, int di)
{
return -ENOSYS;
struct clk *diclk, *ldbclk;
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int ret, dino;
char *clkname;
dino = di & 0x1;
clkname = asprintf("ipu_di%d_sel", dino);
diclk = clk_lookup(clkname);
free(clkname);
if (IS_ERR(diclk)) {
dev_err(ldb->dev, "failed to get di clk: %s\n", strerror(PTR_ERR(diclk)));
return PTR_ERR(diclk);
}
clkname = asprintf("ldb_di%d_div", imx_ldb_ch->chno);
ldbclk = clk_lookup(clkname);
free(clkname);
if (IS_ERR(ldbclk)) {
dev_err(ldb->dev, "failed to get ldb clk: %s\n", strerror(PTR_ERR(ldbclk)));
return PTR_ERR(ldbclk);
}
ret = clk_set_parent(diclk, ldbclk);
if (ret) {
dev_err(ldb->dev, "failed to set display clock parent: %s\n", strerror(-ret));
return ret;
}
return 0;
}
static struct imx_ldb_data imx_ldb_data_imx6q = {