Add DT support for panel TPO-TD043MTEA1.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Grazvydas Ignotas <notasas@xxxxxxxxx>
---
.../omap2/displays-new/panel-tpo-td043mtea1.c | 41 +++++++++++++++++++++-
1 file changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c b/drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c
index 875b40263b33..ce509fbd235d 100644
--- a/drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c
+++ b/drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c
@@ -17,6 +17,7 @@
#include <linux/gpio.h>
#include <linux/err.h>
#include <linux/slab.h>
+#include <linux/of_gpio.h>
#include <video/omapdss.h>
#include <video/omap-panel-data.h>
@@ -376,7 +377,8 @@ static int tpo_td043_enable(struct omap_dss_device *dssdev)
if (omapdss_device_is_enabled(dssdev))
return 0;
- in->ops.dpi->set_data_lines(in, ddata->data_lines);
+ if (ddata->data_lines)
+ in->ops.dpi->set_data_lines(in, ddata->data_lines);
in->ops.dpi->set_timings(in, &ddata->videomode);
r = in->ops.dpi->enable(in);
@@ -489,6 +491,31 @@ static int tpo_td043_probe_pdata(struct spi_device *spi)
return 0;
}
+static int tpo_td043_probe_of(struct spi_device *spi)
+{
+ struct device_node *node = spi->dev.of_node;
+ struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
+ struct omap_dss_device *in;
+ int gpio;
+
+ gpio = of_get_named_gpio(node, "reset-gpios", 0);
+ if (!gpio_is_valid(gpio)) {
+ dev_err(&spi->dev, "failed to parse enable gpio\n");
+ return gpio;
+ }
+ ddata->nreset_gpio = gpio;
+
+ in = omapdss_of_find_source_for_first_ep(node);
+ if (IS_ERR(in)) {
+ dev_err(&spi->dev, "failed to find video source\n");
+ return PTR_ERR(in);
+ }
+
+ ddata->in = in;
+
+ return 0;
+}
+
static int tpo_td043_probe(struct spi_device *spi)
{
struct panel_drv_data *ddata;
@@ -518,6 +545,10 @@ static int tpo_td043_probe(struct spi_device *spi)
r = tpo_td043_probe_pdata(spi);
if (r)
return r;
+ } else if (spi->dev.of_node) {
+ r = tpo_td043_probe_of(spi);
+ if (r)
+ return r;
} else {
return -ENODEV;
}
@@ -629,6 +660,13 @@ static int tpo_td043_spi_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
tpo_td043_spi_suspend, tpo_td043_spi_resume);
+static const struct of_device_id tpo_td043_of_match[] = {
+ { .compatible = "omapdss,tpo,td043mtea1", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, tpo_td043_of_match);
+
static struct spi_driver tpo_td043_spi_driver = {
.driver = {
.name = "panel-tpo-td043mtea1",
@@ -641,6 +679,7 @@ static struct spi_driver tpo_td043_spi_driver = {
module_spi_driver(tpo_td043_spi_driver);
+MODULE_ALIAS("spi:tpo,td043mtea1");
MODULE_AUTHOR("Gražvydas Ignotas <notasas@xxxxxxxxx>");
MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
MODULE_LICENSE("GPL");
--
1.9.1
--
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