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Thu, 20 May 2021 08:18:49 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2D4BC07A828; Thu, 20 May 2021 04:05:42 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id t21so8830582plo.2; Thu, 20 May 2021 04:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=XBy9vet7ecbTieMl5w7ONcl3S+12Ffks8ZHajUtvih4=; b=X0HdMz5ZwR9zT2Q8z3IGYnpAH3nk/I9nRl2oFclAbogcoCLk1CobJMr5cU/P/NOLa5 K2ZDAgiCheDTEHXLpP3Ijky9EFzhg2GOHvjDSFWjzBTjZw1hE+ZPBe9GKe+KUE1bhA5A 1rQx5lquADoJXygBiqLId5iqY2DOe554IE4Q0vhEeRKzz46Rwb8eow89ytrRXs23vhXq PFODefq1UVbzZkkWFeJWA0PM8uWIs8zUF4IS2JS/5U1JzS09E1FVYRrfpFhnnAGxtYs/ z8qRxM6vTl0faDTzbRNmbEahovudKPlBcJLyFrSQwbINqwDF2gJcZnXIR38quKxH2+vD N6/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=XBy9vet7ecbTieMl5w7ONcl3S+12Ffks8ZHajUtvih4=; b=VRuyXLQID2QemLXzqX3KEsQU5aDUVGu6JoD2R6hQT3uIQTi1H7c+0eEN2giHWBv8Nt tShdNIZzkkHHWv6c711UhyAiFLiF0v0ibzEvPzWs+1WuiFYmwkEwrZBgIi1OHCxJFgHW /wV7JzRtFNOzXv2/rDvcysB/bP8lgLIHEkaMWfAz3s44N1fFPy7fC5EjEZJMtPlhmCTZ +02IJJg53odMsEkGeE3VsavFFrxtQC0FGsDFxZIX46QA8o9yTTrZa1CoxIv/94lMYp/L YEn9io03IDQkeGXydDdqSNkIAKZjz7QrHVoCI30ztfM4t9uHGx3OLkEBBHFvmA5IdhGR NJmA== X-Gm-Message-State: AOAM532/tL4ypDjstQ/WFZhyOtwNeEtfGXBmiXOnGQ/FejGacyAwlM/A 3bt/ZoivLBADO1PXoqPrjjk= X-Google-Smtp-Source: ABdhPJx4bbnNZMo/QBlVObti6Fy8xgBBS897VBNNSetxObrcuWvv34rqucpZqtf5HBvS8mfyWi9FQg== X-Received: by 2002:a17:90a:ab0c:: with SMTP id m12mr4249958pjq.179.1621508742496; Thu, 20 May 2021 04:05:42 -0700 (PDT) Received: from fmin-OptiPlex-7060.nreal.work ([137.59.103.165]) by smtp.gmail.com with ESMTPSA id hk15sm5839121pjb.53.2021.05.20.04.05.38 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 May 2021 04:05:42 -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 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 2/7] media: dt-bindings: media: add document for STM32 DMA2D bindings Date: Thu, 20 May 2021 19:05:22 +0800 Message-Id: <1621508727-24486-3-git-send-email-dillon.minfei@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1621508727-24486-1-git-send-email-dillon.minfei@gmail.com> References: <1621508727-24486-1-git-send-email-dillon.minfei@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dillon Min This adds documentation of device tree bindings for the STM32 DMA2D Signed-off-by: Dillon Min --- .../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"; + }; + +... -- 2.7.4