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 56F18CD4851 for ; Tue, 12 May 2026 14:41:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B084810EAD5; Tue, 12 May 2026 14:41:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="kEPOsJz3"; dkim-atps=neutral Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) by gabe.freedesktop.org (Postfix) with ESMTPS id 715E710EAD5 for ; Tue, 12 May 2026 14:41:42 +0000 (UTC) Received: by mail-wr1-f49.google.com with SMTP id ffacd0b85a97d-43fe608cb92so3575756f8f.2 for ; Tue, 12 May 2026 07:41:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778596901; x=1779201701; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=q/kJIKcZqxJ8G0thiFyFX6xJiY+UhKIMT0pGQl1UUr4=; b=kEPOsJz3GQoX6Nv7TiqFzR3XnyUrSn6Oc/NOBkJdzkrBnWhVGtcNfg/tzBNeHH/tEW wzvgbTS3InlsFa7KH5SzzMIEiuJOfymmd1akOG6BGwaxGsR1Ioqy55+QOsqmJew4/F70 4b3OshGen+LMhgmDhIbCAKTXpC10Y+R1BMwsmSxBy1gZUM1JrWRevBsrp6HGksvmqft2 zReQwrJG7XhvgXaif5xcx2DUUox5Ys/9KkqJD7Sb+cuPnckCONuRVFEFs8kqDKW2RZVI jgzPJ81Jn6uSfVhNgHAfzHhjB5/5HiP2SG3Z5V0zUcnBRGfJ3ZBhfjpxD/W0OQMnykrX xLGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778596901; x=1779201701; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=q/kJIKcZqxJ8G0thiFyFX6xJiY+UhKIMT0pGQl1UUr4=; b=ExisfPwTKUcFhZsoLqnnyNesY5tl5P6MpamaIUtt/Z4SmzAhAAZzE5iDM1al7fiBPC CKPPdYnt43rngSc7kze9s1U4jmVTMx8Ml0LuurM8v0IEfy7NeVZiFUvTomlBWUvNT0p+ MEx9T6ixkdZdqrDFV8SfnRAOp0NKOl27Er9wedFfrK9FrJyHVmeBRlsQ5SUnDFcKFuKr JKnQRSAFAZwJlAog8SzgR5Nr61qa70+dD4t7H7WhqzeDI48F1mcxc/IMWaTVL747wPBP U8gAcdhBi1qtgDV0iR6F0JW7PNlm8uUGrWvjkuODr9b8ltxT6SV6banXCYjD+Ru3YZHA 0ebA== X-Gm-Message-State: AOJu0Yxnqxzcu1U9nYc6SibRhnvVLER92Nn+v8yCBoZSYOk98VhTd46C nxRvPkBTSeL4F3Kaae5MMu1gOpmlqapuTngZUkiLPOAi+nSQtHv90JsU X-Gm-Gg: Acq92OGOYIJFLAeqkbdvQt+wrn8s1OvtqcPrbvlfBBp6uVDZBqtKJ59e2dBAhEX1zwL WvjdHwBfeCsXXq3gKe8fx7OQ03pCcT6f2qrsIGhtVWlpy4GQlFF1wTANk6WicmMUF5FeksU9imC hCTEpyy1kU9HksH0mMa55R6LRnOwnl2xZW2riUlW0K2vl7D44UIBBSEE6TL5USq94uUkDkOc+el J4ic/A2teOy1OfOrfv2zSWqtLMPhOB02Wv4AGMMa8LuUajybocSNfpuQlN/3UI6RGu8tKmR9Fm0 RBZzthl+8/5GV9TclTBgV9RqxvKtAex9nEA3JLnWfhVLhcd1fYWxeBJHUnV8PbGOEqloWvgmFV1 /Vx7uKKMEeRZqnK23SMy+kKBkJwX1B2asD9vh2iQP4dNXYHx8cQOuxLiKXT19sfOFMJ/SM8PFzA Rq8AgCoBZHCad0ccNUNWuCpuMdIrMW5GaDgqx0kpo8+fEsJ7zc5rZ10Bst+lrDBlCelkwM5AKmj 81E+LXHqUttSO89aF7Z2eUcT5zEhlSgtKU= X-Received: by 2002:a05:6000:420c:b0:43b:4136:1e6f with SMTP id ffacd0b85a97d-454637c817fmr27827468f8f.38.1778596900791; Tue, 12 May 2026 07:41:40 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:77f5:545a:798:321]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45491cab9c2sm34978713f8f.31.2026.05.12.07.41.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 07:41:40 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Biju Das , Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Geert Uytterhoeven , Magnus Damm Cc: dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v3 2/5] dt-bindings: display: renesas, rzg2l-du: Add RZ/T2H and RZ/N2H support Date: Tue, 12 May 2026 15:41:01 +0100 Message-ID: <20260512144104.761531-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260512144104.761531-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260512144104.761531-1-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: Lad Prabhakar Document the Display Unit (DU) support for the RZ/T2H and RZ/N2H SoCs. The DU block on RZ/T2H is functionally equivalent to the RZ/G2UL DU and supports the DPI interface, but includes SoC-specific register differences and has no reset control. Add a dedicated compatible string to represent this variant and update the allOf constraints accordingly. As the DU implementation on RZ/N2H matches RZ/T2H, describe it using an RZ/N2H specific compatible string with the RZ/T2H compatible as fallback. Signed-off-by: Lad Prabhakar --- v2->v3: - No change v1->v2: - Dropped the "port" property in favor of "ports" with a single port@0 child, to align with the existing RZ/G2L bindings and simplify the device tree structure. - Updated the commit message to reflect the change from "port" to "ports". - Dropped RB tag from Rob due to above changes. --- .../bindings/display/renesas,rzg2l-du.yaml | 20 +++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml index 5add3b832eab..7c84a9ecc7a7 100644 --- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml @@ -21,6 +21,7 @@ properties: - renesas,r9a07g043u-du # RZ/G2UL - renesas,r9a07g044-du # RZ/G2{L,LC} - renesas,r9a09g057-du # RZ/V2H(P) + - renesas,r9a09g077-du # RZ/T2H - items: - enum: - renesas,r9a07g054-du # RZ/V2L @@ -28,6 +29,9 @@ properties: - items: - const: renesas,r9a09g056-du # RZ/V2N - const: renesas,r9a09g057-du # RZ/V2H(P) fallback + - items: + - const: renesas,r9a09g087-du # RZ/N2H + - const: renesas,r9a09g077-du # RZ/T2H fallback reg: maxItems: 1 @@ -83,7 +87,6 @@ required: - interrupts - clocks - clock-names - - resets - power-domains - ports - renesas,vsps @@ -95,7 +98,9 @@ allOf: properties: compatible: contains: - const: renesas,r9a07g043u-du + enum: + - renesas,r9a07g043u-du + - renesas,r9a09g077-du then: properties: ports: @@ -138,6 +143,17 @@ allOf: required: - port@0 + - if: + properties: + compatible: + contains: + const: renesas,r9a09g077-du + then: + properties: + resets: false + else: + required: + - resets examples: # RZ/G2L DU -- 2.54.0