linux-kernel - [PATCH v2 8/9] drm/panel: lvds: Add support for the IDK-2121WR

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Date:   Thu, 15 Aug 2019 12:04:32 +0100
From:   Fabrizio Castro <fabrizio.castro@...renesas.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Fabrizio Castro <fabrizio.castro@...renesas.com>,
        Sam Ravnborg <sam@...nborg.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Simon Horman <horms@...ge.net.au>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        linux-renesas-soc@...r.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>
Subject: [PATCH v2 8/9] drm/panel: lvds: Add support for the IDK-2121WR

The IDK-2121WR from Advantech is a dual-LVDS display.

Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>

---
v1->v2:
* new patch

 drivers/gpu/drm/panel/panel-lvds.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index 1ec57d0..2cd41757 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -22,6 +22,7 @@
 
 #include <drm/drm_crtc.h>
 #include <drm/drm_panel.h>
+#include <drm/drm_timings.h>
 
 struct panel_lvds {
 	struct drm_panel panel;
@@ -259,6 +260,7 @@ static int panel_lvds_probe(struct platform_device *pdev)
 	/* Register the panel. */
 	drm_panel_init(&lvds->panel);
 	lvds->panel.dev = lvds->dev;
+	lvds->panel.timings = of_device_get_match_data(lvds->dev);
 	lvds->panel.funcs = &panel_lvds_funcs;
 
 	ret = drm_panel_add(&lvds->panel);
@@ -287,7 +289,13 @@ static int panel_lvds_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct drm_timings advantech_idk_2121wr = {
+	.dual_link = true,
+	.link_flags = DRM_LINK_DUAL_LVDS_ODD_EVEN,
+};
+
 static const struct of_device_id panel_lvds_of_table[] = {
+	{ .compatible = "advantech,idk-2121wr", .data = &advantech_idk_2121wr},
 	{ .compatible = "panel-lvds", },
 	{ /* Sentinel */ },
 };
-- 
2.7.4