From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 862483CEBBB; Tue, 25 Aug 2026 07:21:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787642501; cv=none; b=CbLWiqsljlGMX9F15sEA+yhkSy8GwN+lL72ROKSzZ2kFUcg7tNinzlIksi8jwwjnMheT6+bvtdhO7LzFqvOFFHoLFCmAb6Hs2lh5zvtvN1D5+pp/rOmChr+l1oojikme3phbbBRBqNIK3mjJTHFIV0bOTkXuiNojdFo1oAEBMeg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787642501; c=relaxed/simple; bh=HYlImQsUiycttBRc9q8I68WzOfPR90j1mrb7B9SGsHU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cmyz1DS76urxGp+c5wLHRcZPErZepN8mhnuegaoOGxfoindky8MvPzHbEPsUdDtzDhy9ntKh2Od0RDeigZXr7GgNrprxXR1XWl5hB4oiBEXTnL5F9yHiE282h6HgDBCcqJ3PDwJam6MSkPKHQGZEPYE0IM5IipmfoZcFUtH6yUo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L5uKnFVN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="L5uKnFVN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54B6A1F000E9; Tue, 25 Aug 2026 07:21:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787642500; bh=rYTDFbaE1JJfaMo+4gmChPHhIQlrt73MEiayTTjME6k=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=L5uKnFVN6U7JlDpZjykUYsM31mRreDBUSIQQxhl6O0emTFTI0MCN5iu57fN5BLwsY clMRmla9IT/J2d4ZtzQkQMz64gKEL7j+jJI4AO7krfKlUj3p3t8nTnI4RUG1dthoIy yjfFJpTJq3h71mEBqLe51I6RCD3NLSbg8E3K80luAGV1qOEPXwuSMBbwDDIOvILkQj 2Xryd1YQ6/+UlWjX+jTQAUnVzN+56Zu1uB/bcHQxvVaHTLuU7VygGRMRDJ0ZUktl7l OXg6A4BlxLOq0jhKVFXXk06vroD1BwrvR8kaiEeTwfChjcv/OVzJL3Qkcxpa+d1DXi 9KLhSCW+m64jg== Message-ID: Date: Tue, 25 Aug 2026 09:21:33 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] media: dt-bindings: Add Rockchip JPEG decoder To: Sascha Hauer , Lucas Sinn , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Philipp Zabel Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260824-rockchip-jpegdec-v1-0-8011822bf500@pengutronix.de> <20260824-rockchip-jpegdec-v1-1-8011822bf500@pengutronix.de> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 24/08/2026 09:01, Sascha Hauer wrote: > Add a devicetree binding schema for the JPEG hardware decoder Rockchip > integrates into a number of its SoCs. Documents the single register > window (task registers plus the LLP link-table block at offset 0x300), > the decode interrupt, the aclk/hclk clocks, the AXI/AHB resets, the IOMMU > and the power domain. > > The core is not tied to one SoC. Downstream it is known as the VDPU720 > and the same block sits on the RK3528, RK3562, RK356x, RK3576, RK3588 and > RV1126B, with only the clocks, the resets and the power domain differing, > none of which this schema constrains. A compatible per SoC is all it > takes to cover them; the RK3568 and the RK3588 are the two that have been > tested and are enabled here. > > The resets and the power domain are required. The block cannot be > reached with its domain off, and the driver falls back to pulsing the > reset lines when a frame times out and the in-block soft reset does not > complete, which a node without them would leave with no way to recover. > > The IOMMU stays optional. The driver never refers to it, it is a platform > integration detail, and rockchip-vpu.yaml does not require it for the > other codec blocks on these SoCs either. > > Assisted-by: Claude:claude-opus-5 > --- > .../bindings/media/rockchip,jpeg-decoder.yaml | 92 ++++++++++++++++++++++ > MAINTAINERS | 8 ++ > 2 files changed, 100 insertions(+) > > diff --git a/Documentation/devicetree/bindings/media/rockchip,jpeg-decoder.yaml b/Documentation/devicetree/bindings/media/rockchip,jpeg-decoder.yaml > new file mode 100644 > index 0000000000000..e20c1bf43ef3e > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/rockchip,jpeg-decoder.yaml > @@ -0,0 +1,92 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/rockchip,jpeg-decoder.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Rockchip JPEG Decoder > + > +maintainers: > + - Lucas Sinn > + - Sascha Hauer > + > +description: > + Rockchip's in-house JPEG/MJPEG hardware decoder, known downstream as the > + VDPU720. The same core is integrated into a number of Rockchip SoCs, which > + differ only in the clocks, resets and power domain they are wired to. A > + dedicated Link List Processor (LLP) register block, located at offset 0x300 > + within the same register window, allows the hardware to decode a chain of > + frames autonomously ("link mode"). > + > +properties: > + compatible: > + enum: > + - rockchip,rk3568-jpegd > + - rockchip,rk3588-jpegd How this can be v1 if you send VPU720 for rk3588 already? https://lore.kernel.org/all/20260819-rk3588-jpegdec-v1-4-33d74cdf369c@pengutronix.de/ Were there more versions? Best regards, Krzysztof