Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- drivers/video/omap2/displays-new/encoder-tfp410.c | 54 +++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/video/omap2/displays-new/encoder-tfp410.c b/drivers/video/omap2/displays-new/encoder-tfp410.c index a04f658..120da51 100644 --- a/drivers/video/omap2/displays-new/encoder-tfp410.c +++ b/drivers/video/omap2/displays-new/encoder-tfp410.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -179,6 +180,47 @@ static int tfp410_probe_pdata(struct platform_device *pdev) return 0; } +static int tfp410_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + struct device_node *src_node; + int r, gpio, datalines; + + src_node = of_parse_phandle(node, "video-source", 0); + if (!src_node) { + dev_err(&pdev->dev, "failed to parse video source\n"); + return -ENODEV; + } + + in = omap_dss_find_output_by_node(src_node); + if (in == NULL) { + dev_err(&pdev->dev, "failed to find video source\n"); + return -EPROBE_DEFER; + } + ddata->in = in; + + gpio = of_get_gpio(node, 0); + + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->pd_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse PD gpio\n"); + return gpio; + } + + r = of_property_read_u32(node, "data-lines", &datalines); + if (r) { + dev_err(&pdev->dev, "failed to parse datalines\n"); + return r; + } + + ddata->data_lines = datalines; + + return 0; +} + static int tfp410_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -195,6 +237,10 @@ static int tfp410_probe(struct platform_device *pdev) r = tfp410_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tfp410_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -251,12 +297,20 @@ static int __exit tfp410_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tfp410_of_match[] = { + { .compatible = "ti,tfp410", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tfp410_of_match); + static struct platform_driver tfp410_driver = { .probe = tfp410_probe, .remove = __exit_p(tfp410_remove), .driver = { .name = "tfp410", .owner = THIS_MODULE, + .of_match_table = tfp410_of_match, }, }; -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html