diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/fbdev/omap2/displays-new/panel-tpo-td043mtea1.c | 42 |
1 files changed, 41 insertions, 1 deletions
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..de78ab0caaa8 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; } @@ -629,11 +660,19 @@ 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", .owner = THIS_MODULE, .pm = &tpo_td043_spi_pm, + .of_match_table = tpo_td043_of_match, }, .probe = tpo_td043_probe, .remove = tpo_td043_remove, @@ -641,6 +680,7 @@ static struct spi_driver tpo_td043_spi_driver = { module_spi_driver(tpo_td043_spi_driver); +MODULE_ALIAS("spi:tpo,td043mtea1"); MODULE_AUTHOR("GraÅžvydas Ignotas <notasas@gmail.com>"); MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver"); MODULE_LICENSE("GPL"); |