From mboxrd@z Thu Jan 1 00:00:00 1970 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 8E8CCCD343F for ; Fri, 15 May 2026 07:56:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB75E10F456; Fri, 15 May 2026 07:56:47 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="CjtyTl7B"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id B974910F456 for ; Fri, 15 May 2026 07:56:45 +0000 (UTC) Received: from [127.0.1.1] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A6641DF3; Fri, 15 May 2026 09:56:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1778831795; bh=kHksZJfpFMV47h8nwdHcFDKgVfCurmMft/yFeQpokLU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=CjtyTl7BKFORFxXGnJeNvzbmSSVUqrxquhD21HgFSdeVL8I8/1KCtAO01MdUovqHy lCZbSnK24bWQAcwqqT6v5mUzRaRlDBecdtKlizgrz8We81Pi0aJWQbNYeH1Ivpp88w EuWYHcQsWF2l3sRE0pLSBRRjwKXnbLr5VS/gGJAU= From: Tomi Valkeinen Date: Fri, 15 May 2026 10:56:15 +0300 Subject: [PATCH v2 2/5] dt-bindings: display: bridge: Document Renesas R-Car V4H DSC bindings MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260515-rcar-du-dsc-v2-2-f6b9240a1240@ideasonboard.com> References: <20260515-rcar-du-dsc-v2-0-f6b9240a1240@ideasonboard.com> In-Reply-To: <20260515-rcar-du-dsc-v2-0-f6b9240a1240@ideasonboard.com> To: Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm , Marek Vasut , Laurent Pinchart , Kieran Bingham , Philipp Zabel Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3100; i=tomi.valkeinen+renesas@ideasonboard.com; h=from:subject:message-id; bh=2I8UDeCqT/cBmhnGJPNLMM2v8v1+nikKwEBiZMwtls4=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBqBtG2M72BZzHevVD8zRuqeGWA/kb2BC2cu1W8W /sf8JS0C6GJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCagbRtgAKCRD6PaqMvJYe 9SuND/97d4q15M/MxEJqemEDlJuPGo3MYsLEmpCOe4VcccZcdIasFG1Y8xuVhcKNeIRB4ceEBij zxxiJM9HCZW985QX/XYqR0V7rznlqUpIxVFxs7kRpNY9QvWWrvoZoCl/RbheecYSiEIftyKD2SQ nd7HtIK39JI5SZ+1aLHs6rEk5H7XEyaDxBVV5zBguOox6r1y2faVBheqey7io+23NVp/Fha7mao +F7OGlt8mPSiLnp2ahTR7yAeLZkoWEPqfqnidmnYE190W2VQ+ywOofeiNlt1Hlu7NAUNkp2yrEm nUiZTKnoAMDLfQalS71D5UJOwpFs4GRPLkkKOWEtdVU9wBZ7LIptfV6VyD8pUOyV/e+RaA9rkFl YvuxEH73Iu1ZlnuRPHH0NSy17NO3UH1y8lMwzJtvJJFVCJ+I1CsSemopxPnOqnSZC3xVl9Yb5Ji T6kVrMFDK7lYz1NPqzRAyP5tdoyIwZp7pLACOj66QBmAqNxBm/PISPwdlDmSH7l9/P28a55gDfA VTnCQrO4YnSfiRNm5COKCKFkm5XM/czcN3KdXiSwpAR+0q/TQAdYH+s3pq3CSsnvDDTAWnrgPSo iPB48b+xc5TOGQcSMlBkrM3d0p+P9cbprW4R5zeLQxM91R2312LjrHzQzIJPLjCH0MEn7EK3cOb 9Bhmw/XB2E92Iiw== X-Developer-Key: i=tomi.valkeinen+renesas@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Marek Vasut The Renesas DSC Display Stream Compression is a bridge embedded in the Renesas R-Car V4H SoC. The bridge performs VESA DSC encoding of up to 8k or 400 Mpixel/s . Signed-off-by: Marek Vasut [tomi.valkeinen: fix the example] Signed-off-by: Tomi Valkeinen --- .../bindings/display/bridge/renesas,dsc.yaml | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsc.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsc.yaml new file mode 100644 index 000000000000..2918d592732b --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsc.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/renesas,dsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car DSC Display Stream Compression + +maintainers: + - Marek Vasut + +description: | + This binding describes the VESA DSC Display Stream Compression encoder + embedded in the Renesas R-Car V4H SoC. The encoder supports all DSC1.1 + encoding mechanisms, configurable bits-per-pixel, resolution up to 8k. + +properties: + compatible: + const: renesas,r8a779g0-dsc + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: R-Car DU input port + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: R-Car DSI output port + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - interrupts + - power-domains + - resets + - ports + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + dsc@feb8d000 { + compatible = "renesas,r8a779g0-dsc"; + reg = <0xfeb8d000 0x400>; + interrupts = ; + clocks = <&cpg CPG_MOD 2819>; + power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>; + resets = <&cpg 2819>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsc_in_dsi1: endpoint { + remote-endpoint = <&du_out_dsi1>; + }; + }; + + port@1 { + reg = <1>; + dsc_out_dsi1: endpoint { + remote-endpoint = <&dsi1_in>; + }; + }; + }; + }; +... -- 2.43.0