From nobody Sat May 10 03:36:45 2025 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=1611501041; cv=none; d=zohomail.com; s=zohoarc; b=O38i3yUS28OKk+oqBuXGN4LN5dhrGEd4dLqHEK7W1dVfjpilsCzFgcJn+x6MEobuiPzdshMDEn5LzwMu+22lIbH463mpqduzQflNwr4P5fM7lYO9/zZ8PSeCzpBYr0HhQXuYONlqizMXSEnv90ON2T737bRLg3zqZ0gXjG6TVMs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611501041; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=MlizoUTXKx97mIugTM5Gm51l0FOzf/Uj77U1EHu6n8wkI8FJSIfDbx79UFXQaUnrrwIyX0oi/zdNqAXt41lNWgHKIBJYmrdC6fCmFi8pc+Oa7XfE5070+xgV/FMj3A8DwM2LrNNNaRpuG5EPQI/eDRnia87Gw0m80lZJ0U7vqtY= 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 1611501041464498.6978051627898; Sun, 24 Jan 2021 07:10:41 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726438AbhAXPKC (ORCPT ); Sun, 24 Jan 2021 10:10:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726356AbhAXPJ1 (ORCPT ); Sun, 24 Jan 2021 10:09:27 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F467C061756; Sun, 24 Jan 2021 07:08:47 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id i9so2038863wmq.1; Sun, 24 Jan 2021 07:08:47 -0800 (PST) Received: from adgra-XPS-15-9570.home (2a01cb0008bd2700e58e9e649f9020b2.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:e58e:9e64:9f90:20b2]) by smtp.gmail.com with ESMTPSA id m18sm244608wrx.17.2021.01.24.07.08.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jan 2021 07:08:45 -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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=TOCbp+BDx6RM11NVVijlGdB35BiNyQxSxKuDKWkhO4WEpH3e+pxel1Z0G43APR36c5 FXI5cWN/NA2C6IVh7v2ZvfVhmZ61uRMyH/GfACuVvHYezD7CyyDQ+AygdmyFCY97VKHj C6obY5CUJ+TcZzpJq1LqpBFr+CdWSj9KdVZ7id2Jp7tiTghHREuuAARBrjIl2S2nJoWn GI0OVLsAl2+9mIQoBy2VmJawA/EDIZ3+mZzbYWvVMQAvGKkxglRhJyC85WFtkmI7zqdm qu/rx45j3AHNxRBb16aZsTLfQIaET4uwba7iqFTsrT5OUVT+pk2MGkWg6Lx1Z+M/xyos 7p1g== 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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=CLyxZ/BJAODeWmhDefl3ziGQC6jcKLsCu9+0uKZF6wP3JxH/ffVvemkzm2fe3mVpRS jVH2WzVwFW17/sa52A+Oie0oF8gcphC2ADi3ieMJCBAtj4OYip2NPoDgZBTdkY+PgBkE Oj0sLnu7k+D7wdDoS0xhLiMBP4o4K3C86thUT6WAjew4YC4RoHqc4iX521SvsiJhU9Fy PKYxY/b059TJNHizRysT06BGGQKj1P3XdYe7uEUQD6v5QckVUh7xvjcjlvLzdoe67MuE RKzwWEkiyGpXIIq4pF9IDuQpLJNt0Sd3p4tkNguGjyInsrh5uX9Embvjii0Aiq8VNrgj xDEQ== X-Gm-Message-State: AOAM530cJkOtfD7CT9u7TSGRY8Ow666i5raEezmrLaKFWi9Yi9xbPzWf 5uxRAHAFT/HaY16qWbXm+es= X-Google-Smtp-Source: ABdhPJzfpNHEnuZxE5BgO0IyKRgf4NPq8SLJLxIo76XFtcaIsh3V8uoLikb9aNFH7f9QrXt1pMxxzQ== X-Received: by 2002:a1c:8095:: with SMTP id b143mr478249wmd.71.1611500926117; Sun, 24 Jan 2021 07:08:46 -0800 (PST) From: Adrien Grassein Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, a.hajda@samsung.com, 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 Subject: [PATCH 1/2] dt-bindings: display: bridge: Add documentation for LT8912 Date: Sun, 24 Jan 2021 16:08:33 +0100 Message-Id: <20210124150835.1522899-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210124150835.1522899-1-adrien.grassein@gmail.com> References: <20210124150835.1522899-1-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 LT8912 is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein --- .../display/bridge/lontium,lt8912.yaml | 92 +++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontiu= m,lt8912.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt891= 2.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.ya= ml new file mode 100644 index 000000000000..ed1a6ddaab2f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912 MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912 is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912 + + reg: + maxItems: 1 + + ddc-i2c-bus: + maxItems: 1 + description: i2c bus used to read EDID of the connected display. + + dsi-lanes: + maxItems: 1 + description: dsi lanes count interconnected with lt8912. + + 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-1 for MIPI input + + required: + - port@0 + +required: + - compatible + - ddc-i2c-bus + - dsi-lanes + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hdmi-bridge@48 { + compatible =3D "lontium,lt8912"; + reg =3D <0x48>; + reset-gpios =3D <&max7323 0 GPIO_ACTIVE_LOW>; + dsi-lanes =3D <4>; + ddc-i2c-bus =3D <&ddc_i2c_bus>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_out_in: endpoint { + remote-endpoint =3D <&mipi_dsi_out>; + }; + }; + }; + }; + }; + + ddc_i2c_bus: i2c5 { + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 5aa18cbfb883..01e7e356bfac 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10472,6 +10472,11 @@ 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 LT8912 MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy --=20 2.25.1 From nobody Sat May 10 03:36:45 2025 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=1611501041; cv=none; d=zohomail.com; s=zohoarc; b=LfdvpaSb5n+BvQ31oyazgGzIJv1YTDPo41XjNn69QqlmnT/LEMTCupR95sLPUOi73SBp+TJh77dRlTbBxDQgejZrNva7aOC1ZtXa0H1sXNjdtOdgcoak33PD1diuz/rTE7HN63dNI11SdZmXBCZgC6FavPzQI2SV8rURULlPA0A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611501041; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=FoNg5AxQI4V1qtA0QyPR2OGG7LR5DacbOuc0I2tSWfbNPaROWNe/7K7LydxkF/TvoTLZMcOrKnl50KNkLZ40trLF3TPNUH9iZ4pCCyK/0mjGDnLJTNP33R94UPZZwIo39QCihvyT50hhroKd/V3Y6MZdQhF/mwaPpSnsrzZqIj4= 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 1611501041721236.2382239684532; Sun, 24 Jan 2021 07:10:41 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726426AbhAXPK2 (ORCPT ); Sun, 24 Jan 2021 10:10:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726362AbhAXPJ2 (ORCPT ); Sun, 24 Jan 2021 10:09:28 -0500 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A52CC0613D6; Sun, 24 Jan 2021 07:08:48 -0800 (PST) Received: by mail-wm1-x331.google.com with SMTP id 190so8417183wmz.0; Sun, 24 Jan 2021 07:08:48 -0800 (PST) Received: from adgra-XPS-15-9570.home (2a01cb0008bd2700e58e9e649f9020b2.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:e58e:9e64:9f90:20b2]) by smtp.gmail.com with ESMTPSA id m18sm244608wrx.17.2021.01.24.07.08.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jan 2021 07:08:46 -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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=bPwf4qkir49pVBSitB1Do8De4PPdvI6685ybt24v+l9t1TtNQfcEsur0Je7nsRbi0N ILXUQ3ulIGpUzLhgKy+WPEFxCwLT1b6v4C8+l1/VXFl0IqYsJdIHammgIPqadmYW9NtO HivSY1nzRSUp7N0BcM8VfZ8eg5dmexoVdKQKWJQmQlBpBIcivKzh42OS0QnUxrX/Vegs ey6kH0lP32cZNTosC0JaosIuX7CuaddjOd0C+Cf3cgx4Ve+2WkL9N0GyNMXGq0/Z4o7G Glr3CLkxnMFeexWx9pqZ0REXGXhnqQIPOWvLHzrzu2yFUYA2vnPuiX5MHNENvyXvPGI1 ngCw== 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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=UnD7KX2kBJ24AicfKnRfSc0ysRn6goFXHIDBwZkOnUVZYD7AGoSDWDtfTkIzjH7eZ3 Gw5o+g+yZY4jjLtyTBqWYG/gAZnPmGPktohR36RwnuuHG/s2BcjBlznRuVH33NlhfCdg DuBmFVdtF7bUi9PXYsdMXCx+MMq7EKOKFn6ecY2BuQ/CkmJjT53R5yo+/QMEYkPZHmI8 e3YD66sVZCWSLHvHo6tE+x+6htYkKYpDv9Kpno1Y809pVzmyvoIFA8QpgJwsAtEQPYZY DjH1HCno3MCJoQmRQf/gNKD7B2z28TyVywScFIR7c8/0jNk5ludyu+6xr/i6BEehADkM WrBQ== X-Gm-Message-State: AOAM531VfdsWTai5rYd/7W+m0C/99jBgIix6vQER+fjPjNy5qKtn051B 6gwJExPaOEB1TpfmgS+r13Y= X-Google-Smtp-Source: ABdhPJzayFhOgFZntgiAOE/EY618MX5PY+t/LDNbQv/eVErJ+86mON1JNnZWa3lXxDa4I2nqJiaAeg== X-Received: by 2002:a1c:2501:: with SMTP id l1mr12006281wml.41.1611500926916; Sun, 24 Jan 2021 07:08:46 -0800 (PST) From: Adrien Grassein Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, a.hajda@samsung.com, 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 Subject: [PATCH 1/2] dt-bindings: display: bridge: Add documentation for LT8912 Date: Sun, 24 Jan 2021 16:08:34 +0100 Message-Id: <20210124150835.1522899-3-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210124150835.1522899-1-adrien.grassein@gmail.com> References: <20210124150835.1522899-1-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 LT8912 is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein --- .../display/bridge/lontium,lt8912.yaml | 92 +++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontiu= m,lt8912.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt891= 2.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.ya= ml new file mode 100644 index 000000000000..ed1a6ddaab2f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912 MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912 is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912 + + reg: + maxItems: 1 + + ddc-i2c-bus: + maxItems: 1 + description: i2c bus used to read EDID of the connected display. + + dsi-lanes: + maxItems: 1 + description: dsi lanes count interconnected with lt8912. + + 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-1 for MIPI input + + required: + - port@0 + +required: + - compatible + - ddc-i2c-bus + - dsi-lanes + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hdmi-bridge@48 { + compatible =3D "lontium,lt8912"; + reg =3D <0x48>; + reset-gpios =3D <&max7323 0 GPIO_ACTIVE_LOW>; + dsi-lanes =3D <4>; + ddc-i2c-bus =3D <&ddc_i2c_bus>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_out_in: endpoint { + remote-endpoint =3D <&mipi_dsi_out>; + }; + }; + }; + }; + }; + + ddc_i2c_bus: i2c5 { + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 5aa18cbfb883..01e7e356bfac 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10472,6 +10472,11 @@ 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 LT8912 MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy --=20 2.25.1 From nobody Sat May 10 03:36:45 2025 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=1611501082; cv=none; d=zohomail.com; s=zohoarc; b=OBfebRj1EiAYEUi/m1X0EnX5tNsUYZFdKhDT31yCsti/iXrAqbQlFW1eePnWhP0A43fZjh4cJ2Mw2aaqz7j5Awt8h7nKxzfZ9ac+NinGVTye1Qw4n0aaMx09RCOLhNdB0K7Ty0J/Hw7sz5IIUc0IxQ3OpHA/gBd7VVr8haOJE6U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611501082; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=xkUG7S5Sw0xDi+Z96aUr443gD3FEW1KzhOw9XyD9WoA=; b=PAVDHX/vKHzUKwgpJC3L4MhyJOB6yFR4F4CvCjbgYTn9fVaBNrd/99o4UBL4Gama62SEvRWDLiLH7UCLDyEsX2G9bvSAxWG8Vun+xjB1cblbFCFx2EezKUFbjKCSa8CvSehUiAHIOaxsd1nln49vt9eQFBLG9zXFJRmrlomFLOQ= 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 1611501082962113.44183269380562; Sun, 24 Jan 2021 07:11:22 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726483AbhAXPKn (ORCPT ); Sun, 24 Jan 2021 10:10:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726363AbhAXPJa (ORCPT ); Sun, 24 Jan 2021 10:09:30 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10043C0613ED; Sun, 24 Jan 2021 07:08:49 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id r9so3103695wro.9; Sun, 24 Jan 2021 07:08:48 -0800 (PST) Received: from adgra-XPS-15-9570.home (2a01cb0008bd2700e58e9e649f9020b2.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:e58e:9e64:9f90:20b2]) by smtp.gmail.com with ESMTPSA id m18sm244608wrx.17.2021.01.24.07.08.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jan 2021 07:08:47 -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=xkUG7S5Sw0xDi+Z96aUr443gD3FEW1KzhOw9XyD9WoA=; b=ggliS7Iz2RvWLJrhi85sUCjG1edaN9Y3RBETPEYLEmSt8gd6ObGmT/ihp3rFru4qJw Ph0MdKzGnuigIVnkFAvMWgZovEtwPM21CZ6Pa/hCkbpq9Fv6UdIzWGdg5ExbFtyfm8IN XOXOWq9aC5FuPFRTQCDrRHYOStBZbXFuNhS6HF6eLHMs2dtv6o5muPPXLinGp33CmsAF o3hZ/hXcgpWkLWNE6lJ1pPcJEraa89wX06VP7vHCwLltHfBUuIKBRhMGmH2weAlhKGkI c7cscp+3Xc2m9pk0BatndU7ggYe4YLBM6hOVuroBqsjciialA9D5tE6L0ZIfBLn8IA22 vIEw== 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=xkUG7S5Sw0xDi+Z96aUr443gD3FEW1KzhOw9XyD9WoA=; b=T0trDktFI9MWCDRSjo7BFG+P7WSb9kp30o/4XCKl62euHdxKHfxaFbUMP6Wd/M7AG+ LeSOuGAtXhAOeSjbValo1oAIWEwfiv8/vif0e7h1SYZDToXvWLA1ABFgcq/1SDl/yInA cH3UDHa4mZeJ81LFnENZjDRwdbs5p3HL6gZnQQbz3UvDAZGfyVwWHaY3mKY/bZg8rLAC EbPH36dGWnQ0JO0C+yzbTLvIlDSRVpgN8lUq88pvoCeAMdmpgzg8M+zgT7/btseD7E0j RGcPvTCvuszYVKSPVpSolj7qleooy/U9wlXWXNrAB6e3GDMjNZFHGaNXsbMlV9AqtEcK epXA== X-Gm-Message-State: AOAM531waeS81YPVAcz6dgFovVsORC4SIS7FQyCDQ6ZEAcJZv/a1GRZ2 0F0AG5HUtIaz6UjHoSnUszmsfffWrO4= X-Google-Smtp-Source: ABdhPJwPkd2EjtReMFA5HeZf2FxAGLzE/pMCeSJIDYKpMaJOdHyHFryJShGYTrdPYnzl5zD9NTmGkg== X-Received: by 2002:adf:c64f:: with SMTP id u15mr3002958wrg.270.1611500927709; Sun, 24 Jan 2021 07:08:47 -0800 (PST) From: Adrien Grassein Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, a.hajda@samsung.com, 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 Subject: [PATCH 2/2] drm/bridge: Introduce LT8912 DSI to HDMI bridge Date: Sun, 24 Jan 2021 16:08:35 +0100 Message-Id: <20210124150835.1522899-4-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210124150835.1522899-1-adrien.grassein@gmail.com> References: <20210124150835.1522899-1-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 Lt8912 is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein --- MAINTAINERS | 1 + drivers/gpu/drm/bridge/Kconfig | 14 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/lontium-lt8912.c | 749 ++++++++++++++++++++++++ 4 files changed, 765 insertions(+) create mode 100644 drivers/gpu/drm/bridge/lontium-lt8912.c diff --git a/MAINTAINERS b/MAINTAINERS index 01e7e356bfac..65fb19382e40 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10476,6 +10476,7 @@ LONTIUM LT8912 MIPI TO HDMI BRIDGE M: Adrien Grassein S: Maintained F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml +F: drivers/gpu/drm/bridge/lontium-lt8912.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..5b36d4b86e3c 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_LT8912 + tristate "Lontium LT8912 DSI/HDMI bridge" + depends on OF + select DRM_PANEL_BRIDGE + select DRM_KMS_HELPER + select REGMAP_I2C + help + Driver for Lontium LT8912 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-lt8912". + 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..5a1b201cea1f 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-$(CONFIG_DRM_LONTIUM_LT8912) +=3D lontium-lt8912.o obj-$(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-lt8912.c b/drivers/gpu/drm/brid= ge/lontium-lt8912.c new file mode 100644 index 000000000000..dd2ac92a5730 --- /dev/null +++ b/drivers/gpu/drm/bridge/lontium-lt8912.c @@ -0,0 +1,749 @@ +// 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