This adds basic DT support to the ACX565AKM panel driver.
Signed-off-by: Sebastian Reichel <[email protected]>
---
.../omap2/displays-new/panel-sony-acx565akm.c | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
index e6d56f7..5d3fb9d 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>
@@ -711,6 +713,28 @@ 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);
+
+ /* TODO: there is currently no DT binding for omapdss, so
+ * we use sdi.0 with 2 data lanes per default. */
+ ddata->in = omap_dss_find_output("sdi.0");
+ ddata->datapairs = 2;
+
+ 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;
@@ -738,7 +762,12 @@ 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;
}
--
1.8.4.3
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