linux-kernel - [PATCH 3/6] drm/panel: simple: Add A10 EVB 5 inch panel support

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Message-Id: <20160831081817.5191-4-maxime.ripard@free-electrons.com>
Date:   Wed, 31 Aug 2016 10:18:14 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org,
        Mylene Josserand <mylene.josserand@...e-electrons.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Alexander Kaplan <alex@...tthing.co>
Subject: [PATCH 3/6] drm/panel: simple: Add A10 EVB 5 inch panel support

The A10-EVB from Allwinner comes with an unidentified panel, with the only
mark on the PCB being A10-SUB-EVB-5LCD.

Add timings to simple panel to handle it.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 85143d1b9b31..be371b053aab 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -386,6 +386,29 @@ static void panel_simple_shutdown(struct device *dev)
 	panel_simple_disable(&panel->base);
 }
 
+static const struct drm_display_mode allwinner_a10_sub_evb_5lcd_mode = {
+	.clock = 33000,
+	.hdisplay = 800,
+	.hsync_start = 800 + 209,
+	.hsync_end = 800 + 209 + 1,
+	.htotal = 800 + 209 + 1 + 45,
+	.vdisplay = 480,
+	.vsync_start = 480 + 22,
+	.vsync_end = 480 + 22 + 1,
+	.vtotal = 480 + 22 + 1 + 22,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc allwinner_a10_sub_evb_5lcd = {
+	.modes = &allwinner_a10_sub_evb_5lcd_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 110,
+		.height = 67,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
 	.clock = 33333,
 	.hdisplay = 800,
@@ -1515,6 +1538,9 @@ static const struct panel_desc urt_umsh_8596md_parallel = {
 
 static const struct of_device_id platform_of_match[] = {
 	{
+		.compatible = "allwinner,sun4i-a10-sub-evb-5-lcd",
+		.data = &allwinner_a10_sub_evb_5lcd,
+	}, {
 		.compatible = "ampire,am800480r3tmqwa1h",
 		.data = &ampire_am800480r3tmqwa1h,
 	}, {
-- 
2.9.2