From nobody Sun Feb 8 18:15:29 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67491C0015E for ; Fri, 14 Jul 2023 01:38:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234696AbjGNBir (ORCPT ); Thu, 13 Jul 2023 21:38:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234014AbjGNBiO (ORCPT ); Thu, 13 Jul 2023 21:38:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39FCE2D60; Thu, 13 Jul 2023 18:38:08 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C749F61BB3; Fri, 14 Jul 2023 01:38:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10089C433C7; Fri, 14 Jul 2023 01:38:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689298687; bh=TIdMELntounxEq+AZGdZ3Vnv1CEHXYkAD0LNGdTnnt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pUbS71K+Bkd0Sp4MGb66jbx8cqFCbiFyJlFaI96ApEFPRUhu16SPlz8ykaJYC8Qr/ Cg4Q8D0cygQ7hARBKUikiDeCz3faz5QCb42+iH/o4PWOlbQ87zFphGWzHEjAFPaUrl IQiYto+gCZ8F9prEIKiDt73HpVMarRYcFi4XXPqQedFI8o5PaMTL6YsxKG1LxWgAnk U2q72zPpoqjPPQxTQ93ynKRqVmcS+teZdP05NM4TUH1BbdQST4C5QcyzJxIyT7BX3O v6XlJSZucQXkZV6NiUCPfIKbczFkRUIDUaysdlWwSIe1EFUnc/uRndf1kw3zzcpKWF gRXTjYvYESP8A== Received: by mercury (Postfix, from userid 1000) id EB2FE10676F5; Fri, 14 Jul 2023 03:37:58 +0200 (CEST) From: Sebastian Reichel To: Sebastian Reichel Cc: Gerald Loacker , Michael Riesch , Miquel Raynal , Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v3 13/19] drm/panel: sitronix-st7789v: add Inanbo T28CP45TN89 support Date: Fri, 14 Jul 2023 03:37:50 +0200 Message-Id: <20230714013756.1546769-14-sre@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230714013756.1546769-1-sre@kernel.org> References: <20230714013756.1546769-1-sre@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" UNI-T UTi260b has a Inanbo T28CP45TN89 v17 panel. I could not find proper documentation for the panel apart from a technical drawing, but according to the vendor U-Boot it is based on a Sitronix st7789v chip. I generated the init sequence by modifying the default one until proper graphics output has been seen on the device. Reviewed-by: Michael Riesch Signed-off-by: Sebastian Reichel --- .../gpu/drm/panel/panel-sitronix-st7789v.c | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/d= rm/panel/panel-sitronix-st7789v.c index 94c805c79d05..55e475471f43 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -173,6 +173,21 @@ static const struct drm_display_mode default_mode =3D { .flags =3D DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC, }; =20 +static const struct drm_display_mode t28cp45tn89_mode =3D { + .clock =3D 6008, + .hdisplay =3D 240, + .hsync_start =3D 240 + 38, + .hsync_end =3D 240 + 38 + 10, + .htotal =3D 240 + 38 + 10 + 10, + .vdisplay =3D 320, + .vsync_start =3D 320 + 8, + .vsync_end =3D 320 + 8 + 4, + .vtotal =3D 320 + 8 + 4 + 4, + .width_mm =3D 43, + .height_mm =3D 57, + .flags =3D DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC, +}; + static const struct st7789_panel_info default_panel =3D { .mode =3D &default_mode, .invert_mode =3D true, @@ -181,6 +196,14 @@ static const struct st7789_panel_info default_panel = =3D { DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE, }; =20 +static const struct st7789_panel_info t28cp45tn89_panel =3D { + .mode =3D &t28cp45tn89_mode, + .invert_mode =3D false, + .bus_format =3D MEDIA_BUS_FMT_RGB565_1X16, + .bus_flags =3D DRM_BUS_FLAG_DE_HIGH | + DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE, +}; + static int st7789v_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -446,12 +469,14 @@ static void st7789v_remove(struct spi_device *spi) =20 static const struct spi_device_id st7789v_spi_id[] =3D { { "st7789v", (unsigned long) &default_panel }, + { "t28cp45tn89-v17", (unsigned long) &t28cp45tn89_panel }, { } }; MODULE_DEVICE_TABLE(spi, st7789v_spi_id); =20 static const struct of_device_id st7789v_of_match[] =3D { { .compatible =3D "sitronix,st7789v", .data =3D &default_panel }, + { .compatible =3D "inanbo,t28cp45tn89-v17", .data =3D &t28cp45tn89_panel = }, { } }; MODULE_DEVICE_TABLE(of, st7789v_of_match); --=20 2.40.1