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 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 73CA1CCD184 for ; Sat, 11 Oct 2025 18:34:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=vdgUFtkm94mHMBHalEL+1YJRTb25XyzuTOkQ6dZPhg0=; b=KFEdGc/e5SmsSec1++f5bFp/yR anz0qj/jFzFX39CGCMN/KLPzoaLHhdiwHEDPy5XidVZUDjhE83EP3rPvY8ohgQedk26xiAjr7L8xx 5qHlYbDZJS0+HnH/Edn6QkHmRsf4it0gpMUpXoKTQ8Ly7eRZ0g1UKQDWQh+Q4Z4w0Y4FvEReaP2Uh UkBf1Pw8WJzKmqvL/mj8rdU/SdnswQh2fx25QuFmeOEaRPdfcsMsfR3SFZ1O4Y0L33kztZlfqy0DD zswwMsZLBi9X24WMPEFQFoPdmct9VJMSx5l7DROoPnulh++t2FQThTJui9XvZtqeJNX04kQ+IjceQ lOnOb6NQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7ePf-0000000AU6g-1HOH; Sat, 11 Oct 2025 18:33:51 +0000 Received: from mout-p-202.mailbox.org ([80.241.56.172]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7ePc-0000000AU5Y-2dAb for linux-arm-kernel@lists.infradead.org; Sat, 11 Oct 2025 18:33:49 +0000 Received: from smtp102.mailbox.org (smtp102.mailbox.org [10.196.197.102]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-202.mailbox.org (Postfix) with ESMTPS id 4ckXLY5pVpz9stX; Sat, 11 Oct 2025 20:33:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1760207621; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=vdgUFtkm94mHMBHalEL+1YJRTb25XyzuTOkQ6dZPhg0=; b=tvieORiUSpm+Ij/BMeA1PDJxzh9FRbKW4uZQKQkqMh7ZEGiLU+LqEw39F02RO9zeWjc0Og GOXipSQ3M5UMIqxVePTTKGMY2KbYSEKXSegulyMejZ3yfe7TB0fBn3Y0YfPq8QD3N+JdO3 6VM486SZI9folujOv1fLvpjxsTG8xs8rQO6e6a1uzcd8BYOXjpyx+e1wo3KSzimfHckUhv Rp5VBYY97WvJPr1t4KByyhQeXnBcKZ+FRkgTiMJnBTi+vcB97Xkv/f2emuDnl6JFzUHarC MDPxOvilfdm+qWScvCl7qiuZqEWrpK0OoaZj1nPdmEIN00I5sCvqDkPWU5G0rA== From: Marek Vasut DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1760207620; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=vdgUFtkm94mHMBHalEL+1YJRTb25XyzuTOkQ6dZPhg0=; b=QBi/+FcS8hxT72VHRf+1mvhqm0ZKUlL0BLSASB8vkTCHXSOoS5+wa18l8jctHiWDTsYSv+ lT5PQTGmyzJHyme8ksiBgN0aQ/mxelnXw+91JLvpO8RMsMWLp8hjrPVXrTBkXWtGddgTKm n4aQ45mkIuXBEioFJ2vOEGIu2NlkYDsGXYZg8K8dvLPPKKh8ZTt01P/KseRomdJWDIR3Xg j5HP8IppXQ2TTsJ9nS/adjStX8VLYjU91bd88nBPcoBiCtRSRiQCnfmACVkoLzRioza7sE YMTxbofk8MKP4Qii+dEp9k2APyfXkR8NnBGdOBmezuxPxbIFUIz+axSyl4LkaQ== To: linux-media@vger.kernel.org Cc: Marek Vasut , Fabio Estevam , Laurent Pinchart , Mauro Carvalho Chehab , Ming Qian , Mirela Rabulea , Nicolas Dufresne , Pengutronix Kernel Team , Sascha Hauer , Shawn Guo , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 1/2] media: dt-bindings: nxp,imx8-jpeg: Document optional SRAM support Date: Sat, 11 Oct 2025 20:32:25 +0200 Message-ID: <20251011183306.163564-1-marek.vasut@mailbox.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MBO-RS-META: gcxiegt8bjoymzjuz9h7zp6547zejcc5 X-MBO-RS-ID: 44f7b4e555e363a6778 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251011_113348_815063_94BC817F X-CRM114-Status: UNSURE ( 7.94 ) X-CRM114-Notice: Please train this message. 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 Document optional phandle to mmio-sram, which can describe an SRAM region used for descriptor storage instead of regular DRAM region. Use of SRAM instead of DRAM for descriptor storage may improve bus access pattern and performance. Signed-off-by: Marek Vasut --- Cc: Fabio Estevam Cc: Laurent Pinchart Cc: Mauro Carvalho Chehab Cc: Ming Qian Cc: Mirela Rabulea Cc: Nicolas Dufresne Cc: Pengutronix Kernel Team Cc: Sascha Hauer Cc: Shawn Guo Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-media@vger.kernel.org --- V2: - New patch --- Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml index 4cba42ba7cf72..e3170647f44db 100644 --- a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml +++ b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml @@ -55,6 +55,12 @@ properties: minItems: 1 # Wrapper and all slots maxItems: 5 # Wrapper and 4 slots + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Optional phandle to a reserved on-chip SRAM regions. The SRAM can + be used for descriptor storage, which may improve bus utilization. + required: - compatible - reg -- 2.51.0