This adds DT support to the ACX565AKM panel driver.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
.../omap2/displays-new/panel-sony-acx565akm.c | 35 +++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
index d94f35d..942b8d4 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>
@@ -531,7 +533,9 @@ 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) {
@@ -710,6 +714,30 @@ 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;
+ struct omap_dss_device *dssdev;
+ int ret;
+
+ ddata->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0);
+
+ ddata->datapairs = -1;
+ 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);
+ }
+
+ dssdev = &ddata->dssdev;
+ ret = of_property_read_string(np, "label", &dssdev->name);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static int acx565akm_probe(struct spi_device *spi)
{
struct panel_drv_data *ddata;
@@ -737,7 +765,12 @@ 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;
}
--
1.8.5.1
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