From patchwork Wed Jan 18 23:31:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 13107196 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C452EC38147 for ; Wed, 18 Jan 2023 23:31:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A2B0C10E0AD; Wed, 18 Jan 2023 23:31:47 +0000 (UTC) Received: from mail-oi1-x231.google.com (mail-oi1-x231.google.com [IPv6:2607:f8b0:4864:20::231]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0773010E050 for ; Wed, 18 Jan 2023 23:31:45 +0000 (UTC) Received: by mail-oi1-x231.google.com with SMTP id r9so333027oig.12 for ; Wed, 18 Jan 2023 15:31:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KGfMBl5GE9RGTrpmBtD/eMSnjaklBe1tQxMzM5Zv8cA=; b=HSk34DXM4HMlNtZ4cKEFnLONgd6o1tnbvpeWpngc+WKvXXHULcssTDyH4mBJ5wJ2yk BaunsCO5zhjmM/VXL4VtUcgFdsR7FeUI8e42HjzEiIzmaZN+oUfOs96KcrZCEUk+GI9Y 7TMV9wZxLhsmba43NMR2pQxOeedC8fH6S+lO0LCIOV6VUyYks04UtwIscMY0wdtK87gG +WgWsx9Bjp6in5dWsHcj8T4niuhd4ciyHgpJ+pW2EBhWP2w+pE1yJriEa+wJFcv2d9E5 FOCXM9o6wZ2l+8gZ9gvyDOCdrUTO99auXBd/tUkv7Ai5jj8ihtt8pRpd25GZZaLypRja ie+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KGfMBl5GE9RGTrpmBtD/eMSnjaklBe1tQxMzM5Zv8cA=; b=ykAMBut8ibY8SL4OegQTeoj+846qKtHfjvSMubg5Vzu+331OeNdPuOzFhoAtZeyE6r BSzm6qns7Oa4izUhOmgHVFhxGqrsbxBXFMAN98ect/lXYcs2B/ZEttPuyO8krvVul26s kCYOZWault3wz+jE2dmz55mLXAoYhowonJiMx0V8YkVShay5V/TWQSORtclh31iVzpvA TNPbGvNubw1J4g90ieUzNr4khNKMc8W5Uad5aKhtt8EiHN92mpZrXw1nBEjIHXeAPSf/ c+1DkP/YeM0t7No/fCRdnfc6Y2Oe8ELjOh119CzuG5+B1K00VVPJ9UvPRRKdXFVJSe/v LnTg== X-Gm-Message-State: AFqh2krix5vdPjGDrMA7BW16UDD47o/ZZNjTWLb9cWo0r8QaTWLORuIq MDndezTqDqMqCxh17gzFDZhiNTkiJYc= X-Google-Smtp-Source: AMrXdXuf+ZKJEN7IqAh9Nyrm4t+Fq5/ButzdfVgQGQv3cQdSZmzUA9FC1v82rMQXw0Qtq6/mpmSspg== X-Received: by 2002:a54:4789:0:b0:364:5ea0:c3f6 with SMTP id o9-20020a544789000000b003645ea0c3f6mr4123271oic.20.1674084705022; Wed, 18 Jan 2023 15:31:45 -0800 (PST) Received: from localhost.localdomain ([76.244.6.13]) by smtp.gmail.com with ESMTPSA id q10-20020acad90a000000b00354932bae03sm16966933oig.10.2023.01.18.15.31.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Jan 2023 15:31:44 -0800 (PST) From: Chris Morgan To: dri-devel@lists.freedesktop.org Subject: [PATCH V11 1/4] drm: of: Add drm_of_get_dsi_bus helper function Date: Wed, 18 Jan 2023 17:31:32 -0600 Message-Id: <20230118233135.1174859-2-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118233135.1174859-1-macroalpha82@gmail.com> References: <20230118233135.1174859-1-macroalpha82@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Chris Morgan , krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, thierry.reding@gmail.com, tzimmermann@suse.de, Maya Matuszczyk Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Chris Morgan Add helper function to find DSI host for devices where DSI panel is not a minor of a DSI bus (such as the Samsung AMS495QA01 panel or the official Raspberry Pi touchscreen display). Signed-off-by: Chris Morgan Signed-off-by: Maya Matuszczyk --- drivers/gpu/drm/drm_of.c | 51 ++++++++++++++++++++++++++++++++++++++++ include/drm/drm_of.h | 12 ++++++++++ 2 files changed, 63 insertions(+) diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index 7bbcb999bb75..177b600895d3 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include @@ -493,3 +494,53 @@ int drm_of_get_data_lanes_count_ep(const struct device_node *port, return ret; } EXPORT_SYMBOL_GPL(drm_of_get_data_lanes_count_ep); + +#if IS_ENABLED(CONFIG_DRM_MIPI_DSI) + +/** + * drm_of_get_dsi_bus - find the DSI bus for a given device + * @dev: parent device of display (SPI, I2C) + * + * Gets parent DSI bus for a DSI device controlled through a bus other + * than MIPI-DCS (SPI, I2C, etc.) using the Device Tree. + * + * Returns pointer to mipi_dsi_host if successful, -EINVAL if the + * request is unsupported, -EPROBE_DEFER if the DSI host is found but + * not available, or -ENODEV otherwise. + */ +struct mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev) +{ + struct mipi_dsi_host *dsi_host; + struct device_node *endpoint, *dsi_host_node; + + /* + * Get first endpoint child from device. + */ + endpoint = of_graph_get_next_endpoint(dev->of_node, NULL); + if (!endpoint) + return ERR_PTR(-ENODEV); + + /* + * Follow the first endpoint to get the DSI host node and then + * release the endpoint since we no longer need it. + */ + dsi_host_node = of_graph_get_remote_port_parent(endpoint); + of_node_put(endpoint); + if (!dsi_host_node) + return ERR_PTR(-ENODEV); + + /* + * Get the DSI host from the DSI host node. If we get an error + * or the return is null assume we're not ready to probe just + * yet. Release the DSI host node since we're done with it. + */ + dsi_host = of_find_mipi_dsi_host_by_node(dsi_host_node); + of_node_put(dsi_host_node); + if (IS_ERR_OR_NULL(dsi_host)) + return ERR_PTR(-EPROBE_DEFER); + + return dsi_host; +} +EXPORT_SYMBOL_GPL(drm_of_get_dsi_bus); + +#endif /* CONFIG_DRM_MIPI_DSI */ diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index 10ab58c40746..082a6e980d01 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -15,6 +15,8 @@ struct drm_encoder; struct drm_panel; struct drm_bridge; struct device_node; +struct mipi_dsi_device_info; +struct mipi_dsi_host; /** * enum drm_lvds_dual_link_pixels - Pixel order of an LVDS dual-link connection @@ -129,6 +131,16 @@ drm_of_get_data_lanes_count_ep(const struct device_node *port, } #endif +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_MIPI_DSI) +struct mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev); +#else +static inline struct +mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev) +{ + return ERR_PTR(-EINVAL); +} +#endif /* CONFIG_OF && CONFIG_DRM_MIPI_DSI */ + /* * drm_of_panel_bridge_remove - remove panel bridge * @np: device tree node containing panel bridge output ports From patchwork Wed Jan 18 23:31:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 13107198 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 740E1C32793 for ; Wed, 18 Jan 2023 23:31:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A20C610E201; Wed, 18 Jan 2023 23:31:55 +0000 (UTC) Received: from mail-oi1-x22b.google.com (mail-oi1-x22b.google.com [IPv6:2607:f8b0:4864:20::22b]) by gabe.freedesktop.org (Postfix) with ESMTPS id C5DDD10E050 for ; Wed, 18 Jan 2023 23:31:46 +0000 (UTC) Received: by mail-oi1-x22b.google.com with SMTP id r132so340736oif.10 for ; Wed, 18 Jan 2023 15:31:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dgMx+QidzWwZB9d8EFxiQBvCTRSPbMX2JTxiBtWNFyk=; b=X6JBlJU/7tvkFPCMBD9PeXuiqWarnqBo/0icQo82UJM0vocSX4rHcq6S1QJHgYpV4S DVcispan4eaNtC1tRGvtn8crCZhQ7SwzEhGbPWRBdnrEr43QdN9UjicqydKQA9zSyA/q Hlerj6Lkfzop3hnRXzXuoYxHji7DzOWMskhB2WaZGyJUYl+7Weio2JOIfTxL+whBGsd6 UgcZuOSisdXwJ3oYg3HnRqBT4Tfn5lMTqhCg7e1pzSQZ+ea5XGDeyWYGndH7X0B2UoJj hizTQEVsvZ+JrQQfZ2KtGqQWHQxFSmEAxHEtjOETkUxs4WZHZx3QQLHI0lUrEvWPQlra eI2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dgMx+QidzWwZB9d8EFxiQBvCTRSPbMX2JTxiBtWNFyk=; b=SD5rBYJQhyhkmdFXF3i/hfh87qXlWvRkxXTJYpn32vBKU1GgsR4/eBlBbgQwAg4Y9E U8NIHH34iRtAIlDzMkexReLzvW8KCVv54DlcW6IiMjJkIUHxPV/ZWNl/csCcxudmMJm4 Z5P5eapZveMEAzb5U6sY5h7sJb30cb1SHkCQn0paPMnuFIj2kW7yTZrrA0oiqsaUGWS9 rvk5ngZCUB/NAtAQufEuq90ABbEdWEIOLGHNh92QK8L9kuVmOx3axmKnt0RGILHG5jQ4 Ndb1PJB1EhefvITsls/LW+4/oq8PlENTeR5zpEJD8KkR8oXdDjHufzB2EN3W6gBTqFgI jXHA== X-Gm-Message-State: AFqh2kpPKXl9+zaAzBWQFgUBuexBBIYnMkjXfc63X9SNVI41YSi7stnZ /4ENy8wl0j4qMaG+XZ3h9pKXCXyhQ/0= X-Google-Smtp-Source: AMrXdXuj78srkvIFpMzKbCHNr28A9yO08G7rFmLRL2jCPRXug5HUzDh20lc/mwGJf5WtomBjD0LFuQ== X-Received: by 2002:a05:6808:3082:b0:364:46ae:5aa5 with SMTP id bl2-20020a056808308200b0036446ae5aa5mr5985054oib.0.1674084705776; Wed, 18 Jan 2023 15:31:45 -0800 (PST) Received: from localhost.localdomain ([76.244.6.13]) by smtp.gmail.com with ESMTPSA id q10-20020acad90a000000b00354932bae03sm16966933oig.10.2023.01.18.15.31.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Jan 2023 15:31:45 -0800 (PST) From: Chris Morgan To: dri-devel@lists.freedesktop.org Subject: [PATCH V11 2/4] dt-bindings: display: panel: Add Samsung AMS495QA01 Date: Wed, 18 Jan 2023 17:31:33 -0600 Message-Id: <20230118233135.1174859-3-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118233135.1174859-1-macroalpha82@gmail.com> References: <20230118233135.1174859-1-macroalpha82@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Chris Morgan , krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, thierry.reding@gmail.com, tzimmermann@suse.de, Maya Matuszczyk Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Chris Morgan Add documentation for Samsung AMS495QA01 panel (with Magnachip D53E6EA8966 controller IC). Signed-off-by: Chris Morgan Signed-off-by: Maya Matuszczyk Reviewed-by: Rob Herring --- .../display/panel/samsung,ams495qa01.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,ams495qa01.yaml diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ams495qa01.yaml b/Documentation/devicetree/bindings/display/panel/samsung,ams495qa01.yaml new file mode 100644 index 000000000000..58fa073ce258 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,ams495qa01.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,ams495qa01.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung AMS495QA01 panel with Magnachip D53E6EA8966 controller + +maintainers: + - Chris Morgan + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,ams495qa01 + + reg: true + reset-gpios: + description: reset gpio, must be GPIO_ACTIVE_LOW + elvdd-supply: + description: regulator that supplies voltage to the panel display + enable-gpios: true + port: true + vdd-supply: + description: regulator that supplies voltage to panel logic + +required: + - compatible + - reg + - reset-gpios + - vdd-supply + +additionalProperties: false + +examples: + - | + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "samsung,ams495qa01"; + reg = <0>; + reset-gpios = <&gpio4 0 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_3v3>; + + port { + mipi_in_panel: endpoint { + remote-endpoint = <&mipi_out_panel>; + }; + }; + }; + }; + +... From patchwork Wed Jan 18 23:31:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 13107199 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87A28C32793 for ; Wed, 18 Jan 2023 23:32:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 41E0610E209; Wed, 18 Jan 2023 23:31:59 +0000 (UTC) Received: from mail-ot1-x334.google.com (mail-ot1-x334.google.com [IPv6:2607:f8b0:4864:20::334]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9CE7610E07A for ; Wed, 18 Jan 2023 23:31:47 +0000 (UTC) Received: by mail-ot1-x334.google.com with SMTP id f88-20020a9d03e1000000b00684c4041ff1so277836otf.8 for ; Wed, 18 Jan 2023 15:31:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xEI2mifYxajHJaXVWarCPjQqfLFjK63aOcXmGLPy5O0=; b=X1cwwdMPutU97x3N/F7XF8YQOntdWXKldPHcHQgthP75IUNcbTTy1SpyKsq/1Zmn8T mkKgbZaP62Mknji+PdSYn9c1r4OJsYa3VjQkOt1msxSEAzsm9kOKobRGURvuxV0qdBBC xAaEA13Ovpb98B6q+xd+0NujhOs535sVPSyh/fBD24kPF66bTpkdOE/ImSU3sCubfoXw dc8rbFiwsJb+lz3aMENdANoyuOAWYLgFx/vgx+phXxVIk7zuYc3NhhjYbbWw2rdtPhkM KJ0kE+ckxfluyAx5TSEsGAT25NWbz3RYmPbhOEG1mzUsrLuXpQ9dQK9lKAbTs+AWvHuM P7VA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xEI2mifYxajHJaXVWarCPjQqfLFjK63aOcXmGLPy5O0=; b=wAatj7djte726oB0T1S6zaNx+PwAnfn/q+9YnDI8XesdBRIFmdbcjhPfTehzm7mM0j Ei0RdQGUTzuLVQTD64FTng9zKJilYu0Oa0IvbrYvEtmZZfQj+hbxeV6yLw1qrUFH3Ady I+ZelPeQWU70YJ5/NU3VuoseHYQeHFTs0Wg9uFWYP0GLJmtMNEKkRMkV3Rqbzoj2/Czd XqhA6anHmjemQO9EeA9ss+nLZfc/i9o97iEBzh1Zq+4Q2RnBLstgFWsTd11rLKOGTpUd j7KabKPk2AZbML0sKqFnVyMcGOXgXmEhDl5xAHP3CeA41nu3w+pQc6/GGeazFJg+KRx9 u/nA== X-Gm-Message-State: AFqh2krHRNWcq1NgU3B1fEFUzM2j3aa//WDs2nwW8KQPmtdk+cOBw6VB A7fFpJLj0nRAP+5d766NcygFPlvSr8Q= X-Google-Smtp-Source: AMrXdXvv5gV8MV92iUN5Smkj5GPbL4dmvDIX7SnFfU7fZpgEN1GR/5d+ijLihpwsnk27liqm4jOYFw== X-Received: by 2002:a05:6830:1b74:b0:684:a65c:66f with SMTP id d20-20020a0568301b7400b00684a65c066fmr2414730ote.37.1674084706455; Wed, 18 Jan 2023 15:31:46 -0800 (PST) Received: from localhost.localdomain ([76.244.6.13]) by smtp.gmail.com with ESMTPSA id q10-20020acad90a000000b00354932bae03sm16966933oig.10.2023.01.18.15.31.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Jan 2023 15:31:46 -0800 (PST) From: Chris Morgan To: dri-devel@lists.freedesktop.org Subject: [PATCH V11 3/4] drm/panel: Add Magnachip D53E6EA8966 Panel Driver Date: Wed, 18 Jan 2023 17:31:34 -0600 Message-Id: <20230118233135.1174859-4-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118233135.1174859-1-macroalpha82@gmail.com> References: <20230118233135.1174859-1-macroalpha82@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Chris Morgan , krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, thierry.reding@gmail.com, tzimmermann@suse.de, Maya Matuszczyk Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Chris Morgan Support Magnachip D53E6EA8966 based panels such as the Samsung AMS495QA01 panel as found on the Anbernic RG503. Note this driver supports only the AMS495QA01 today which receives video signals via DSI, however it receives commands via 3-wire SPI using DBI. Signed-off-by: Chris Morgan Signed-off-by: Maya Matuszczyk --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + .../drm/panel/panel-magnachip-d53e6ea8966.c | 522 ++++++++++++++++++ 3 files changed, 534 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 737edcdf9eef..204b84a83604 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -298,6 +298,17 @@ config DRM_PANEL_LG_LG4573 Say Y here if you want to enable support for LG4573 RGB panel. To compile this driver as a module, choose M here. +config DRM_PANEL_MAGNACHIP_D53E6EA8966 + tristate "Magnachip D53E6EA8966 DSI panel" + depends on OF && SPI + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + select DRM_MIPI_DBI + help + DRM panel driver for the Samsung AMS495QA01 panel controlled + with the Magnachip D53E6EA8966 panel IC. This panel receives + video data via DSI but commands via 9-bit SPI using DBI. + config DRM_PANEL_NEC_NL8048HL11 tristate "NEC NL8048HL11 RGB panel" depends on GPIOLIB && OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index f8f9d9f6a307..20de312aa5e9 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o +obj-$(CONFIG_DRM_PANEL_MAGNACHIP_D53E6EA8966) += panel-magnachip-d53e6ea8966.o obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3051D) += panel-newvision-nv3051d.o obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3052C) += panel-newvision-nv3052c.o diff --git a/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c b/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c new file mode 100644 index 000000000000..6ee4d577e67f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c @@ -0,0 +1,522 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Magnachip d53e6ea8966 MIPI-DSI panel driver + * Copyright (C) 2023 Chris Morgan + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include