From patchwork Wed Nov 19 09:29:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 412312 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7E16A140172 for ; Wed, 19 Nov 2014 20:30:26 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754449AbaKSJaU (ORCPT ); Wed, 19 Nov 2014 04:30:20 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:36403 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754007AbaKSJaB (ORCPT ); Wed, 19 Nov 2014 04:30:01 -0500 Received: from dude.hi.4.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1Xr1aG-00079d-LQ; Wed, 19 Nov 2014 10:29:56 +0100 From: Lucas Stach To: Thierry Reding Cc: Rob Herring , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 2/2] drm/panel: Add support for Giantplus GPG482739QS5 panel Date: Wed, 19 Nov 2014 10:29:55 +0100 Message-Id: <1416389395-15152-2-git-send-email-l.stach@pengutronix.de> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1416389395-15152-1-git-send-email-l.stach@pengutronix.de> References: <1416389395-15152-1-git-send-email-l.stach@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Philipp Zabel This patch adds support for the GiantPlus GPG48273QS5 4.3" WQVGA TFT LCD panel to the simple-panel driver. This panel is connected via a parallel bus and uses both HSYNC and VSYNC, whose lengths are unfortunately not clearly defined. The datasheet only specifies the front- and backporch length, but the timing diagram suggests that both sync signals should be asserted for exactly one clock cycle. Signed-off-by: Philipp Zabel Signed-off-by: Lucas Stach --- [lst]: rebased on top of drm/panel/for-next + added commit message --- .../bindings/panel/giantplus,gpg482739qs5.txt | 7 ++++++ drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/giantplus,gpg482739qs5.txt diff --git a/Documentation/devicetree/bindings/panel/giantplus,gpg482739qs5.txt b/Documentation/devicetree/bindings/panel/giantplus,gpg482739qs5.txt new file mode 100644 index 000000000000..24b0b624434b --- /dev/null +++ b/Documentation/devicetree/bindings/panel/giantplus,gpg482739qs5.txt @@ -0,0 +1,7 @@ +GiantPlus GPG48273QS5 4.3" (480x272) WQVGA TFT LCD panel + +Required properties: +- compatible: should be "giantplus,gpg48273qs5" + +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 c4b6167a8bf3..1d8ed2062841 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -560,6 +560,29 @@ static const struct panel_desc foxlink_fl500wvr00_a0t = { }, }; +static const struct drm_display_mode giantplus_gpg482739qs5_mode = { + .clock = 9000, + .hdisplay = 480, + .hsync_start = 480 + 5, + .hsync_end = 480 + 5 + 1, + .htotal = 480 + 5 + 1 + 40, + .vdisplay = 272, + .vsync_start = 272 + 8, + .vsync_end = 272 + 8 + 1, + .vtotal = 272 + 8 + 1 + 8, + .vrefresh = 60, +}; + +static const struct panel_desc giantplus_gpg482739qs5 = { + .modes = &giantplus_gpg482739qs5_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 95, + .height = 54, + }, +}; + static const struct drm_display_mode hannstar_hsd070pww1_mode = { .clock = 71100, .hdisplay = 1280, @@ -757,6 +780,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "foxlink,fl500wvr00-a0t", .data = &foxlink_fl500wvr00_a0t, }, { + .compatible = "giantplus,gpg482739qs5", + .data = &giantplus_gpg482739qs5 + }, { .compatible = "hannstar,hsd070pww1", .data = &hannstar_hsd070pww1, }, {