* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
*/
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <video/omapfb_dss.h>
-#include <video/omap-panel-data.h>
#include <video/of_display_timing.h>
struct panel_drv_data {
struct omap_video_timings videomode;
- /* used for non-DT boot, to be removed */
- int backlight_gpio;
-
struct gpio_desc *enable_gpio;
};
gpiod_set_value_cansleep(ddata->enable_gpio, 1);
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 1);
-
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
if (!omapdss_device_is_enabled(dssdev))
return;
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 0);
-
gpiod_set_value_cansleep(ddata->enable_gpio, 0);
in->ops.dpi->disable(in);
.get_resolution = omapdss_default_get_resolution,
};
-static int panel_dpi_probe_pdata(struct platform_device *pdev)
-{
- const struct panel_dpi_platform_data *pdata;
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev, *in;
- struct videomode vm;
- int r;
-
- pdata = dev_get_platdata(&pdev->dev);
-
- in = omap_dss_find_output(pdata->source);
- if (in == NULL) {
- dev_err(&pdev->dev, "failed to find video source '%s'\n",
- pdata->source);
- return -EPROBE_DEFER;
- }
-
- ddata->in = in;
-
- ddata->data_lines = pdata->data_lines;
-
- videomode_from_timing(pdata->display_timing, &vm);
- videomode_to_omap_video_timings(&vm, &ddata->videomode);
-
- dssdev = &ddata->dssdev;
- dssdev->name = pdata->name;
-
- r = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
- GPIOF_OUT_INIT_LOW, "panel enable");
- if (r)
- goto err_gpio;
-
- ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
-
- ddata->backlight_gpio = pdata->backlight_gpio;
-
- return 0;
-
-err_gpio:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
static int panel_dpi_probe_of(struct platform_device *pdev)
{
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
ddata->enable_gpio = gpio;
- ddata->backlight_gpio = -ENOENT;
-
r = of_get_display_timing(node, "panel-timing", &timing);
if (r) {
dev_err(&pdev->dev, "failed to get video timing\n");
struct omap_dss_device *dssdev;
int r;
+ if (!pdev->dev.of_node)
+ return -ENODEV;
+
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
if (ddata == NULL)
return -ENOMEM;
platform_set_drvdata(pdev, ddata);
- if (dev_get_platdata(&pdev->dev)) {
- r = panel_dpi_probe_pdata(pdev);
- if (r)
- return r;
- } else if (pdev->dev.of_node) {
- r = panel_dpi_probe_of(pdev);
- if (r)
- return r;
- } else {
- return -ENODEV;
- }
-
- if (gpio_is_valid(ddata->backlight_gpio)) {
- r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
- GPIOF_OUT_INIT_LOW, "panel backlight");
- if (r)
- goto err_gpio;
- }
+ r = panel_dpi_probe_of(pdev);
+ if (r)
+ return r;
dssdev = &ddata->dssdev;
dssdev->dev = &pdev->dev;
return 0;
err_reg:
-err_gpio:
omap_dss_put_device(ddata->in);
return r;
}