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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-05-06 12:58:54 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-05-09 17:41:45 +0200 |
| commit | 5910c62a671be081995f5f30681b6881d1257258 (patch) | |
| tree | bc3d421ff1ad3827bc0c5e0499b75134078ffa8d /drivers/video | |
| parent | f864768cf968c8a560d3525beeece77afd77da5c (diff) | |
| download | barebox-5910c62a671be081995f5f30681b6881d1257258.tar.gz barebox-5910c62a671be081995f5f30681b6881d1257258.tar.xz | |
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/imx-ipu-v3/imx-ldb.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/video/imx-ipu-v3/imx-ldb.c b/drivers/video/imx-ipu-v3/imx-ldb.c index bbdbe40339..70429eb5d8 100644 --- a/drivers/video/imx-ipu-v3/imx-ldb.c +++ b/drivers/video/imx-ipu-v3/imx-ldb.c @@ -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 = { |