From patchwork Mon Jun 19 16:55:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 694217 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52F19C001B3 for ; Mon, 19 Jun 2023 16:56:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231639AbjFSQ4A (ORCPT ); Mon, 19 Jun 2023 12:56:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231466AbjFSQz4 (ORCPT ); Mon, 19 Jun 2023 12:55:56 -0400 Received: from mail-qk1-x72d.google.com (mail-qk1-x72d.google.com [IPv6:2607:f8b0:4864:20::72d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A919810D7 for ; Mon, 19 Jun 2023 09:55:50 -0700 (PDT) Received: by mail-qk1-x72d.google.com with SMTP id af79cd13be357-76241c98586so282347185a.0 for ; Mon, 19 Jun 2023 09:55:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1687193749; x=1689785749; 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=HXhpNMq77ixD+XgN0GcYbuylNiGuY9CxnraNzjgz9ZY=; b=PouTpA+2eidqrl2NfeWbcV1LWEd+x0sWxTYQqZBmR29e20+aBqMcRvmbdsZHxk/2Kq RlWwI7B6oc4NIV+fZrj9r54OOU1KWGPD93E/gAX81LmHhbzAz0pjOmQ9MyzQOqhaQ325 8/nMG/HMKeVZlzv/TM7cOrnvPqkTZAVZWRW5c= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687193749; x=1689785749; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HXhpNMq77ixD+XgN0GcYbuylNiGuY9CxnraNzjgz9ZY=; b=TU1D89d5BAHdFAo0ZTmiwhZozHh/Cahbq4gFlQOCy2oO3xlV77XuBVIg7PFJvnO7Ve Cwrp1KyN5mlohGRe5rzaL/qu8SUP3HjLul2531Hn4gpSfS11/SKwwiMm7IkMCRY1w4NW 63k78p75DqcohNWmoY9nBP8NzWe3d5HvxAbLqVH+ojH/7UDo9ypoHdJYf1R/ODI8Hx9P IZ/iFlgJ7/p9mOCibyI5ACgeXYpwZiJO/P62Gsyn3uGrOjtM+hGxC4uKeLa78OTaZZis jnWmvFyjDuzTTGuxN2lpcmy0pyNkpg38Lyyio9dcOmRwQ4/1z6U3lTp8Q2s7YmK3W/vN Cbww== X-Gm-Message-State: AC+VfDxaU9xk447Wze1x9/lGo9XB/5N+VaGtW/b+xlcL+OTDIMQVxjxI 9uIeLY7d+FRF9LrGHW1d8U6EFQ== X-Google-Smtp-Source: ACHHUZ6AP48wP9d8GIHmSV3eR8tx7WohjgeTcIWdUh34I5pP/yusbF5PhwUo6SmU/aUFLMfgqX8keg== X-Received: by 2002:a05:620a:cd2:b0:762:52a1:4687 with SMTP id b18-20020a05620a0cd200b0076252a14687mr4387025qkj.22.1687193749648; Mon, 19 Jun 2023 09:55:49 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.pdxnet.pdxeng.ch (host-79-25-27-4.retail.telecomitalia.it. [79.25.27.4]) by smtp.gmail.com with ESMTPSA id p23-20020a05620a15f700b0075d49ce31c3sm109103qkm.91.2023.06.19.09.55.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 09:55:49 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Philippe Cornu , Raphael Gallais-Pou , Amarula patchwork , michael@amarulasolutions.com, Dario Binacchi , Alexandre Torgue , Conor Dooley , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , Yannick Fertre , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v4 4/6] dt-bindings: display: stm32-ltdc: add optional st,fb-bpp property Date: Mon, 19 Jun 2023 18:55:23 +0200 Message-Id: <20230619165525.1035243-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230619165525.1035243-1-dario.binacchi@amarulasolutions.com> References: <20230619165525.1035243-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Boards that use the STM32F{4,7} series have limited amounts of RAM. The added property allows to size, within certain limits, the memory footprint required by the framebuffer. Signed-off-by: Dario Binacchi --- (no changes since v1) .../devicetree/bindings/display/st,stm32-ltdc.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml index d6ea4d62a2cf..1c3a3653579f 100644 --- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml @@ -42,6 +42,12 @@ properties: - for internal dpi input of the MIPI DSI host controller. Note: These 2 endpoints cannot be activated simultaneously. + st,fb-bpp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + bit depth of framebuffer (8, 16 or 32) + maxItems: 1 + required: - compatible - reg