From patchwork Tue Jan 3 06:46:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aradhya Bhatia X-Patchwork-Id: 13087245 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5E113C53210 for ; Tue, 3 Jan 2023 06:55:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dlnODqjHlnSlNag9EAD86gy+k1xUqrUSHBxmLRv3wqQ=; b=maw4BFyIKrDQfB 8R4525kmyVers/DsfHhvOwUMNBZXNzkdP57DK9gHbVLYEgB70H1yRIicz6SYkJW1ohIbRPG2k+SDd nACg6ltnF1CXtaJH+ZnRnmqQ0e97XTXwL8C6HlcNaSLbdFv8WJCscYZHMPhRr9VhTF+g99dmYwrWb Cds+NKk3WRgjexg7rDtGFPUXde6kebYCv+lvc3GJHqwjYVHIjvAm0Ja3eVs6xSe+s78YGqkuVGymS RgyHPDPFum+UH6KwTfGIj/tHoAq4m9DeO1T7/UKWKKXFvRKbxXkAWKrL+zA7A+1Q/yvth+ecFG613 e6MNRECVYeTsRe+h6JYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCbBY-00HHDt-OS; Tue, 03 Jan 2023 06:54:09 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCb4X-00HEzd-Qu; Tue, 03 Jan 2023 06:47:03 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 3036kLwp036782; Tue, 3 Jan 2023 00:46:21 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1672728381; bh=b0z+/hBdGdVLdLi21sE8VV0IYVdDrIzO1ouT2JZpjtM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=BCFc5nTBx+vUGLfqxyuBUAEwmYbBXBfffMPEV2nyqZF5VYthxYtOkcB/9gZIooWq4 CSAiwIeqhZudz9LbENd71VEOQI6zbF4J7ia3cKTGjNelcqL1IFV9x988A+j/z0SGUA IiWqhEAgrTW6PIq0nBxTWwCMbJahAMcChHGH5dXM= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 3036kLZ0077095 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 3 Jan 2023 00:46:21 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Tue, 3 Jan 2023 00:46:21 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Tue, 3 Jan 2023 00:46:21 -0600 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 3036kKAR085946; Tue, 3 Jan 2023 00:46:20 -0600 From: Aradhya Bhatia To: Rob Herring , Krzysztof Kozlowski , Tomi Valkeinen , Jyri Sarha , David Airlie , Daniel Vetter , Laurent Pinchart , Thierry Reding , Sam Ravnborg , Maxime Ripard , Liam Girdwood , Mark Brown , Lad Prabhakar , Paul Walmsley , Palmer Dabbelt , Albert Ou , Matthias Brugger , Guo Ren CC: DRI Development List , Devicetree List , Linux Kernel List , Linux RISC-V List , Linux ARM Kernel List , Linux Mediatek List , Linux C-SKY Arch List , Nishanth Menon , Vignesh Raghavendra , Rahul T R , Devarsh Thakkar , Jai Luthra , Jayesh Choudhary , Aradhya Bhatia Subject: [RFC PATCH 3/4] dt-bindings: panel: Introduce dual-link LVDS panel Date: Tue, 3 Jan 2023 12:16:14 +0530 Message-ID: <20230103064615.5311-4-a-bhatia1@ti.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230103064615.5311-1-a-bhatia1@ti.com> References: <20230103064615.5311-1-a-bhatia1@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230102_224658_736065_F70AF8C1 X-CRM114-Status: GOOD ( 17.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dual-link LVDS interfaces have 2 links, with even pixels traveling on one link, and odd pixels on the other. These panels are also generic in nature, with no documented constraints, much like their single-link counterparts, "panel-lvds". Add a new compatible, "panel-dual-lvds", and a dt-binding document for these panels. Signed-off-by: Aradhya Bhatia --- .../display/panel/panel-dual-lvds.yaml | 157 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 158 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/panel-dual-lvds.yaml diff --git a/Documentation/devicetree/bindings/display/panel/panel-dual-lvds.yaml b/Documentation/devicetree/bindings/display/panel/panel-dual-lvds.yaml new file mode 100644 index 000000000000..88a7aa2410be --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/panel-dual-lvds.yaml @@ -0,0 +1,157 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/panel-dual-lvds.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic Dual-Link LVDS Display Panel + +maintainers: + - Aradhya Bhatia + - Thierry Reding + +description: | + A dual-LVDS interface is a dual-link connection with the even pixels + traveling on one link, and the odd pixels traveling on the other. + +allOf: + - $ref: panel-common.yaml# + - $ref: /schemas/display/lvds.yaml/# + +properties: + compatible: + oneOf: + - items: + - enum: + - lincolntech,lcd185-101ct + - microtips,13-101hieb0hf0-s + - const: panel-dual-lvds + - const: panel-dual-lvds + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: The sink for first set of LVDS pixels. + + properties: + dual-lvds-odd-pixels: + type: boolean + + dual-lvds-even-pixels: + type: boolean + + oneOf: + - required: [dual-lvds-odd-pixels] + - required: [dual-lvds-even-pixels] + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: The sink for second set of LVDS pixels. + + properties: + dual-lvds-even-pixels: + type: boolean + + dual-lvds-odd-pixels: + type: boolean + + oneOf: + - required: [dual-lvds-even-pixels] + - required: [dual-lvds-odd-pixels] + + allOf: + - if: + properties: + port@0: + properties: + dual-lvds-odd-pixels: true + required: + - dual-lvds-odd-pixels + then: + properties: + port@1: + properties: + dual-lvds-even-pixels: true + dual-lvds-odd-pixels: false + + - if: + properties: + port@0: + properties: + dual-lvds-even-pixels: true + required: + - dual-lvds-even-pixels + then: + properties: + port@1: + properties: + dual-lvds-odd-pixels: true + dual-lvds-even-pixels: false + + required: + - port@0 + - port@1 + + port: false + +unevaluatedProperties: false + +required: + - compatible + - width-mm + - height-mm + - data-mapping + - panel-timing + - ports + +examples: + - |+ + panel-dual-lvds { + compatible = "microtips,13-101hieb0hf0-s", "panel-dual-lvds"; + + width-mm = <217>; + height-mm = <136>; + + data-mapping = "vesa-24"; + + panel-timing { + clock-frequency = <150275000>; + hactive = <1920>; + vactive = <1200>; + hfront-porch = <32>; + hsync-len = <52>; + hback-porch = <24>; + vfront-porch = <24>; + vsync-len = <8>; + vback-porch = <3>; + de-active = <1>; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dual-lvds-odd-pixels; + lcd_in0: endpoint { + remote-endpoint = <&oldi_out0>; + }; + }; + + port@1 { + reg = <1>; + dual-lvds-even-pixels; + lcd_in1: endpoint { + remote-endpoint = <&oldi_out1>; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 7f86d02cb427..c13f24293ab1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6595,6 +6595,7 @@ T: git git://anongit.freedesktop.org/drm/drm-misc S: Maintained F: drivers/gpu/drm/panel/panel-lvds.c F: Documentation/devicetree/bindings/display/lvds.yaml +F: Documentation/devicetree/bindings/display/panel/panel-dual-lvds.yaml F: Documentation/devicetree/bindings/display/panel/panel-lvds.yaml DRM DRIVER FOR MANTIX MLAF057WE51 PANELS