summaryrefslogtreecommitdiffstats
path: root/drivers/video
diff options
context:
space:
mode:
authorSebastian Reichel <sre@debian.org>2013-12-13 19:17:28 +0100
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-03-19 11:03:11 +0200
commit6e7efe4eb86e493ea10d1568a6497aa931ff5221 (patch)
treed9464431d30e49cc2e3e5d537cee62ca98cc45c7 /drivers/video
parentfcc900a6e4e786062201f816977aced847d9c615 (diff)
downloadlinux-6e7efe4eb86e493ea10d1568a6497aa931ff5221.tar.bz2
OMAPDSS: acx565akm: Add DT support
Add DT support for panel-sony-acx565akm Signed-off-by: Sebastian Reichel <sre@debian.org> [tomi.valkeinen@ti.com: some modifications] Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/displays-new/panel-sony-acx565akm.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
index 8e97d06921ff..906220c20186 100644
--- a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
+++ b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
@@ -30,6 +30,8 @@
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/gpio.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <video/omapdss.h>
#include <video/omap-panel-data.h>
@@ -547,7 +549,9 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
in->ops.sdi->set_timings(in, &ddata->videomode);
- in->ops.sdi->set_datapairs(in, ddata->datapairs);
+
+ if (ddata->datapairs > 0)
+ in->ops.sdi->set_datapairs(in, ddata->datapairs);
r = in->ops.sdi->enable(in);
if (r) {
@@ -726,6 +730,22 @@ static int acx565akm_probe_pdata(struct spi_device *spi)
return 0;
}
+static int acx565akm_probe_of(struct spi_device *spi)
+{
+ struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
+ struct device_node *np = spi->dev.of_node;
+
+ ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
+
+ ddata->in = omapdss_of_find_source_for_first_ep(np);
+ if (IS_ERR(ddata->in)) {
+ dev_err(&spi->dev, "failed to find video source\n");
+ return PTR_ERR(ddata->in);
+ }
+
+ return 0;
+}
+
static int acx565akm_probe(struct spi_device *spi)
{
struct panel_drv_data *ddata;
@@ -753,7 +773,12 @@ static int acx565akm_probe(struct spi_device *spi)
r = acx565akm_probe_pdata(spi);
if (r)
return r;
+ } else if (spi->dev.of_node) {
+ r = acx565akm_probe_of(spi);
+ if (r)
+ return r;
} else {
+ dev_err(&spi->dev, "platform data missing!\n");
return -ENODEV;
}
@@ -864,10 +889,16 @@ static int acx565akm_remove(struct spi_device *spi)
return 0;
}
+static const struct of_device_id acx565akm_of_match[] = {
+ { .compatible = "omapdss,sony,acx565akm", },
+ {},
+};
+
static struct spi_driver acx565akm_driver = {
.driver = {
.name = "acx565akm",
.owner = THIS_MODULE,
+ .of_match_table = acx565akm_of_match,
},
.probe = acx565akm_probe,
.remove = acx565akm_remove,