From nobody Fri May 3 12:14:17 2024 Delivered-To: importer2@patchew.org Received-SPF: pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; envelope-from=linux-kernel-owner@vger.kernel.org; helo=vger.kernel.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1615205205; cv=none; d=zohomail.com; s=zohoarc; b=nPZaycSab7v1+482d0wmnaI5Dfr+J3S2EH3ZClOakgqL+hQkkHTVih0p+jAc8vmPeT8RPXGh/6qoZCNA5nL3cI1BN+VPlzVOnoo+wY0nGhqlpIwtp97AIKaExIrDOBTGmubm+BPvFMaY/yKm/1znXXBnCPkrNnlfJPOD2cq9yC4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615205205; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=cM2++3M/eSEEuJa4YLSTVFheZ1nQSnnZ10I2ItxhVuk=; b=DxIQ8wOqsWgXBETmwFS3xzrbAt4l7HMFx/HM9IQZ6GDe+0sackZq6YjqnqLT/wgZ+q7wuZ+K+sBWCakV1REzSjWnCq2HuMeUBIpAkeGGvleeOFBP1dA335hHKkMa8DEYomFyzlmqzPioDhwjrncNufPOuQ6epS4b/Ew780C8d/Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1615205205287532.0037396216525; Mon, 8 Mar 2021 04:06:45 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231624AbhCHMGL (ORCPT ); Mon, 8 Mar 2021 07:06:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230116AbhCHMGB (ORCPT ); Mon, 8 Mar 2021 07:06:01 -0500 Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7CF1C06175F; Mon, 8 Mar 2021 04:06:00 -0800 (PST) Received: by mail-wm1-x336.google.com with SMTP id b2-20020a7bc2420000b029010be1081172so3642894wmj.1; Mon, 08 Mar 2021 04:06:00 -0800 (PST) Received: from adgra-XPS-15-9570.home (2a01cb0008bd270095bc7625808eade0.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:95bc:7625:808e:ade0]) by smtp.gmail.com with ESMTPSA id r7sm19031803wre.25.2021.03.08.04.05.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 04:05:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cM2++3M/eSEEuJa4YLSTVFheZ1nQSnnZ10I2ItxhVuk=; b=PUE4zEyZW80Drx5CxrktnlR2mjH9p2cgwpHRmcZjxtSY1LyJvOs9MM5exCJ6oVkjyS 5aXj/C1t5/m16Zp0kJjChV2FfZj7P3yJSUYB/EICdRiwhQUInKzcLUFnaa1m9b9sGLkb KlEJxOuEOgMZUHJ5ksvSlDd5/TFv38RK+uKBiDSD2U60d6bAXIJNMiHaVmFsjHA+DGD4 YD13n8M2XtC4ls7m8ffT8zFUYaCUYe/odBUoLG5PiI7gapbpmQAy8YtXPWL8fNFyVGqx LW1kCvXqUkX/6OplZwA7jb6m+C+4LY7JkJkPSR+Fa3A/sSPDtaYCyniT/eouDhAbR2fp 96OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cM2++3M/eSEEuJa4YLSTVFheZ1nQSnnZ10I2ItxhVuk=; b=a+pRdlsrUYyc0HYHO1n0gAMKEAIl1R8v2Oj3wOTXSfointnXM/7gAerMuR73xTIhCj 3OeiIHk8LODoHfXglrLJneoFo8gaVzdCeftFISo/tKbVYzbTuVgE99vzxm4O6bBKQ9yu 53wbJNDWf28l+yNUi/L/pVj44Wm1hE8o9qFU6uABbOcjNPT5UtjBY3RExWX7DT40b2Vc Igra0SeFQIqmYO56vhns0L2+veDbsqkTPTDYsJXUsJpq8MUaLHygSPQ786lAcCx9OjyB SVGsDxu3tArHqeSz3XDZ/prtNKrd1TAr8/EUwP2gr7QPIOlSWy+HZkPNUBW1/brlMhXj ZYZw== X-Gm-Message-State: AOAM530PUi4Rfwx1CVBuMn9xAp1UuM1doC8SZrdkGVyre4hzMCiYcmbx dbFJO3qSaQ3WsnyfAVvnNwU= X-Google-Smtp-Source: ABdhPJwXjMy3Srs/pdETswKGAsjrXKUht4cVZ2laZ3oyV24mkSCSGdxt6ZwMr3ZCZzLN51aB5Ijf8w== X-Received: by 2002:a05:600c:350e:: with SMTP id h14mr6334144wmq.4.1615205159581; Mon, 08 Mar 2021 04:05:59 -0800 (PST) From: Adrien Grassein Cc: robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, a.hajda@samsung.com, robh+dt@kernel.org, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Adrien Grassein , Rob Herring Subject: [PATCH v7 1/2] dt-bindings: display: bridge: Add documentation for LT8912B Date: Mon, 8 Mar 2021 13:05:54 +0100 Message-Id: <20210308120555.252524-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210308120555.252524-1-adrien.grassein@gmail.com> References: <20210308120555.252524-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Lontium LT8912B is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein Reviewed-by: Rob Herring --- .../display/bridge/lontium,lt8912b.yaml | 102 ++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontiu= m,lt8912b.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt891= 2b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.= yaml new file mode 100644 index 000000000000..735d0233a7d6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912B MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912B is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912b + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: GPIO connected to active high RESET pin. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Primary MIPI port for MIPI input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: | + HDMI port, should be connected to a node compatible with the + hdmi-connector binding. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hdmi-bridge@48 { + compatible =3D "lontium,lt8912b"; + reg =3D <0x48>; + reset-gpios =3D <&max7323 0 GPIO_ACTIVE_LOW>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_out_in: endpoint { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <&mipi_dsi_out>; + }; + }; + + port@1 { + reg =3D <1>; + + endpoint { + remote-endpoint =3D <&hdmi_in>; + }; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 9095d182deaf..719f633c8a28 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10462,6 +10462,11 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git F: drivers/hid/hid-lg-g15.c =20 +LONTIUM LT8912B MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy --=20 2.25.1 From nobody Fri May 3 12:14:17 2024 Delivered-To: importer2@patchew.org Received-SPF: pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; 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[2a01:cb00:8bd:2700:95bc:7625:808e:ade0]) by smtp.gmail.com with ESMTPSA id r7sm19031803wre.25.2021.03.08.04.05.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 04:06:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=s14GtAPMqzXpxLuO9j0mqJKAGAaw6zTmurlpVyF8wsU=; b=AiGAkUG5eAbJa/LJF4/Dkl7dYxDDWAHwJ66t3aU7xqwPd9kjgft0QEHGLE0A5L+UBJ ufT5+4AGkjtY6Pdd6TAHSWDkF5//ci8K7T4IAHcFYUBJ8R0+rBZvBL4LwW7g6HqK5mwn wxYp+8la9x+dAn1Wt2NCjgwGhno8ALOL1maKZk31eQGiwt7sSGIah9pWHVm2+KMsUPut +D6OfT86Lkx7GQYwBgJgPmZlLax6BoT+pE1qauykHryXR+ivK2PjQ27/0pBypleXCAkP 4+lPltWhOszvkAv7nAwKBqSRHb4P4ZbFCILB8aH9JmKmHyip7cxG4I/CisH9Q64ikRw+ DDgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=s14GtAPMqzXpxLuO9j0mqJKAGAaw6zTmurlpVyF8wsU=; b=giFu5vv8+3Winv3Rr0ftrk/dfDWCTWifXjwQjhiPU6O6LMjRf2sX2uAMxug8SVzOVR j2YXKJ3IBsuqx+OvCrEARAKOwCmcAsknfPsl7RLpAEmrfhDRBhtOLTPKtBFjAE1owuGu LiH4YTq9XLkRX10ivpT2ZRlMUJZKDIjvbq1ELugoyV9wKU4Y12wxUu1VGcIdEdxkrjCE K0nMlyk4IhBnBvpcwTTxNH/7tpU2s51w1t7cGK6nDDlDl3oKG2FbCdtwoiBRItZkFI10 nIqN+oJrzXuYLihEp+PvTxfdhgHi/1znnkPHo/UM7lhuBqQ8l60KChphm8DeWyafJB3N rVtg== X-Gm-Message-State: AOAM532YOumfm1xsxlEbUKiwrDnsA1uqsyPMyfbFPtGq5It/S8mSX3CB WfFIw1Z6JKOvphUQsmCtMBTyBuj7x2usdw== X-Google-Smtp-Source: ABdhPJx1Q1Wt+TzqheNPRj9otSD1Rv4n8L5DJ5qG2WMyrpyNozoziZZnwApeKhe7invm+BEjUu0isQ== X-Received: by 2002:a05:600c:35c1:: with SMTP id r1mr22108750wmq.143.1615205160538; Mon, 08 Mar 2021 04:06:00 -0800 (PST) From: Adrien Grassein Cc: robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, a.hajda@samsung.com, robh+dt@kernel.org, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Adrien Grassein , kernel test robot Subject: [PATCH v7 2/2] drm/bridge: Introduce LT8912B DSI to HDMI bridge Date: Mon, 8 Mar 2021 13:05:55 +0100 Message-Id: <20210308120555.252524-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210308120555.252524-1-adrien.grassein@gmail.com> References: <20210308120555.252524-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Lontium LT8912B is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein Reported-by: kernel test robot --- MAINTAINERS | 1 + drivers/gpu/drm/bridge/Kconfig | 14 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/lontium-lt8912b.c | 836 +++++++++++++++++++++++ 4 files changed, 852 insertions(+) create mode 100644 drivers/gpu/drm/bridge/lontium-lt8912b.c diff --git a/MAINTAINERS b/MAINTAINERS index 719f633c8a28..072dea9c43ed 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10466,6 +10466,7 @@ LONTIUM LT8912B MIPI TO HDMI BRIDGE M: Adrien Grassein S: Maintained F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml +F: drivers/gpu/drm/bridge/lontium-lt8912b.c =20 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index e4110d6ca7b3..f2c5ec75d2f5 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -48,6 +48,20 @@ config DRM_DISPLAY_CONNECTOR on ARM-based platforms. Saying Y here when this driver is not needed will not cause any issue. =20 +config DRM_LONTIUM_LT8912B + tristate "Lontium LT8912B DSI/HDMI bridge" + depends on OF + select DRM_PANEL_BRIDGE + select DRM_KMS_HELPER + select REGMAP_I2C + help + Driver for Lontium LT8912B DSI to HDMI bridge + chip driver. + Please say Y if you have such hardware. + + Say M here if you want to support this hardware as a module. + The module will be named "lontium-lt8912b". + config DRM_LONTIUM_LT9611 tristate "Lontium LT9611 DSI/HDMI bridge" select SND_SOC_HDMI_CODEC if SND_SOC diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makef= ile index 86e7acc76f8d..756ce401aad3 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_DRM_CDNS_DSI) +=3D cdns-dsi.o obj-$(CONFIG_DRM_CHRONTEL_CH7033) +=3D chrontel-ch7033.o obj-$(CONFIG_DRM_DISPLAY_CONNECTOR) +=3D display-connector.o +obj-$(CONFIG_DRM_LONTIUM_LT8912B) +=3D lontium-lt8912b.o obj-$(CONFIG_DRM_LONTIUM_LT9611) +=3D lontium-lt9611.o obj-$(CONFIG_DRM_LONTIUM_LT9611UXC) +=3D lontium-lt9611uxc.o obj-$(CONFIG_DRM_LVDS_CODEC) +=3D lvds-codec.o diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bri= dge/lontium-lt8912b.c new file mode 100644 index 000000000000..82501fe2e408 --- /dev/null +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -0,0 +1,836 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include