Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752383AbcCYAZE (ORCPT ); Thu, 24 Mar 2016 20:25:04 -0400 Received: from anholt.net ([50.246.234.109]:53367 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161AbcCYAX4 (ORCPT ); Thu, 24 Mar 2016 20:23:56 -0400 From: Eric Anholt To: linux-rpi-kernel@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Thierry Reding , Eric Anholt Subject: [PATCH 2/5] panel-simple: Add the 7" DPI panel from Adafruit. Date: Thu, 24 Mar 2016 17:23:48 -0700 Message-Id: <1458865431-30048-3-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1458865431-30048-1-git-send-email-eric@anholt.net> References: <1458865431-30048-1-git-send-email-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2686 Lines: 82 This is a basic TFT panel with a 40-pin FPC connector on it. The specification doesn't define timings, but the Adafruit instructions were setting up 800x480 CVT. v2: Add .bus_format and vsync/hsync flags. Signed-off-by: Eric Anholt Acked-by: Rob Herring --- .../bindings/display/panel/ontat,yx700wv03.txt | 7 +++++ drivers/gpu/drm/panel/panel-simple.c | 35 ++++++++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt diff --git a/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt b/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt new file mode 100644 index 0000000..3d8a5e0 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt @@ -0,0 +1,7 @@ +On Tat Industrial Company 7" DPI TFT panel. + +Required properties: +- compatible: should be "ontat,yx700wv03" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index f88a631..642c5ca 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1176,6 +1176,38 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +/* 800x480 CVT. The panel appears to be quite accepting, at least as + * far as pixel clocks, but this is the timing that was being used in + * the Adafruit installation instructions. + */ +static const struct drm_display_mode ontat_yx700wv03_mode = { + .clock = 29500, + .hdisplay = 800, + .hsync_start = 824, + .hsync_end = 896, + .htotal = 992, + .vdisplay = 480, + .vsync_start = 483, + .vsync_end = 493, + .vtotal = 500, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +/* Specification at + * https://www.adafruit.com/images/product-files/2406/c3163.pdf + */ +static const struct panel_desc ontat_yx700wv03 = { + .modes = &ontat_yx700wv03_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 154, + .height = 83, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + static const struct of_device_id platform_of_match[] = { { .compatible = "ampire,am800480r3tmqwa1h", @@ -1265,6 +1297,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "okaya,rs800480t-7x0gp", .data = &okaya_rs800480t_7x0gp, }, { + .compatible = "ontat,yx700wv03", + .data = &ontat_yx700wv03, + }, { .compatible = "ortustech,com43h4m85ulc", .data = &ortustech_com43h4m85ulc, }, { -- 2.7.0