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 D8E2DCD343F for ; Fri, 15 May 2026 09:10:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 234A010E00F; Fri, 15 May 2026 09:10:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="DHKkwbeS"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2DFA310E00F for ; Fri, 15 May 2026 09:10:01 +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 0A0508FA; Fri, 15 May 2026 11:09:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1778836190; bh=kHksZJfpFMV47h8nwdHcFDKgVfCurmMft/yFeQpokLU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DHKkwbeSS5VYcx4gG5/X+1z7Y/8pVMELOaeTkpby2KYZcrKfSEZzBUOBOHWotYAMx M0sGiedY/dy1qwq4TaVD4qbhi/jDtxdj+akVcK9sUSaddgjACvJa9rKZQwdzl00saV 5nxi5M/woIWNq9VIK7B69IFUGh3742lRAwK1rzWg= From: Tomi Valkeinen Date: Fri, 15 May 2026 12:09:27 +0300 Subject: [PATCH v3 2/7] 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-v3-2-164157820498@ideasonboard.com> References: <20260515-rcar-du-dsc-v3-0-164157820498@ideasonboard.com> In-Reply-To: <20260515-rcar-du-dsc-v3-0-164157820498@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/ZANAwAIAfo9qoy8lh71AcsmYgBqBuLhbW1mhCjr09AFE2KgytB8mnKa6AjvIuikT NyD2PGebFmJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCagbi4QAKCRD6PaqMvJYe 9TSfD/0YKMJMP2O2NflaziOWV6m+6vSbdgJxqk1w/6BmTL8dSzVAeNYs03V0D7qyb6+dgYdwpwQ oE1QxE5RbhQbgScVDrFRpy5CzjLQG5ivXgq3fbGE5VOSDXQdgu5Y4BjimG2Z1LY9uml8LUjRMhf 2a2AyCJuitisvfvXAvOklFqax+njfL7bEEENgIUdyOMXq3xHEmtjBqniVpYb2xDATFjbr8NSh9g LmTUYLU7HfYrv9vw8CsHAwBkBpqPrmPvgytbTHFOsW3/eclBhNLJWvQg8N/6sZPVtoGmWSFv3DT 9+Gz2BBr/Cm8BK1yro6z0Pb72vuukaIIOS9Tz7V+i9DT0jyTZgzene86mwD22kkKeUgtcq00ikw xqh7kRnag/g2zUVUJxNblJZW80+l+ACfl5lxif2f8FW+ep2TYta2bhjP8iUo+x7xmPwu/wyy2Nw l1tzkCQKRagba9DJPqM8IUmvoF2nrtA8lq2JmsbHhZtOZTUtWFJ2RKgtkPCXO/MamEeApKlahO8 XM0l4G9/0Bqwf7jJtpZgicyD3YbPSY6sQULQKnrlHVSBwJnV7xhCLT+BRPCVetsr1y1bB3yvloh ZCmji19tyhi8gaCNj0esJJA7Unuc7slB+pH8dns88nVkEuX1jBk8piw3ZorJlfZu+haZSGIWeRt H7CCBOKyMrV3b7g== 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