From patchwork Thu Oct 14 10:25:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dillon Min X-Patchwork-Id: 12558205 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD359C4332F for ; Thu, 14 Oct 2021 10:25:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5C15610E6 for ; Thu, 14 Oct 2021 10:25:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230030AbhJNK12 (ORCPT ); Thu, 14 Oct 2021 06:27:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230126AbhJNK11 (ORCPT ); Thu, 14 Oct 2021 06:27:27 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46E7EC061753; 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Thu, 14 Oct 2021 03:25:22 -0700 (PDT) Received: from fmin-OptiPlex-7060.nreal.work ([137.59.103.165]) by smtp.gmail.com with ESMTPSA id ip10sm2105939pjb.40.2021.10.14.03.25.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Oct 2021 03:25:22 -0700 (PDT) From: dillon.minfei@gmail.com To: mchehab@kernel.org, mchehab+huawei@kernel.org, hverkuil-cisco@xs4all.nl, ezequiel@collabora.com, gnurou@gmail.com, pihsun@chromium.org, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, gabriel.fernandez@st.com, gabriel.fernandez@foss.st.com Cc: patrice.chotard@foss.st.com, hugues.fruchet@foss.st.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, Dillon Min Subject: [PATCH v4 2/8] media: dt-bindings: media: add document for STM32 DMA2d bindings Date: Thu, 14 Oct 2021 18:25:00 +0800 Message-Id: <1634207106-7632-3-git-send-email-dillon.minfei@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634207106-7632-1-git-send-email-dillon.minfei@gmail.com> References: <1634207106-7632-1-git-send-email-dillon.minfei@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Dillon Min This adds documentation of device tree bindings for the STM32 DMA2D Signed-off-by: Dillon Min Reviewed-by: Rob Herring --- v4: no change. .../devicetree/bindings/media/st,stm32-dma2d.yaml | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml diff --git a/Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml b/Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml new file mode 100644 index 000000000000..f97b4a246605 --- /dev/null +++ b/Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/st,stm32-dma2d.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Chrom-Art Accelerator DMA2D binding + +description: + Chrom-ART Accelerator(DMA2D), graphical hardware accelerator + enabling enhanced graphical user interface with minimum CPU load + + It can perform the following operations. + + - Filling a part or the whole of a destination image with a specific color. + - Copying a part or the whole of a source image into a part or the whole of + a destination image. + - Copying a part or the whole of a source image into a part or the whole of + a destination image with a pixel format conversion. + - Blending a part and/or two complete source images with different pixel + format and copy the result into a part or the whole of a destination image + with a different color format. (TODO) + + +maintainers: + - Dillon Min + +properties: + compatible: + const: st,stm32-dma2d + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: dma2d + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + +additionalProperties: false + +examples: + - | + #include + #include + dma2d: dma2d@4002b000 { + compatible = "st,stm32-dma2d"; + reg = <0x4002b000 0xc00>; + interrupts = <90>; + resets = <&rcc STM32F4_AHB1_RESET(DMA2D)>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(DMA2D)>; + clock-names = "dma2d"; + }; + +...