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X-IronPort-AV: E=McAfee;i="6400,9594,10412"; a="286479858" X-IronPort-AV: E=Sophos;i="5.92,283,1650956400"; d="scan'208";a="286479858" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2022 04:25:41 -0700 X-IronPort-AV: E=Sophos;i="5.92,283,1650956400"; d="scan'208";a="597626946" Received: from punajuuri.fi.intel.com (HELO paasikivi.fi.intel.com) ([10.237.72.43]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2022 04:25:36 -0700 Received: from paasikivi.fi.intel.com (localhost [127.0.0.1]) by paasikivi.fi.intel.com (Postfix) with SMTP id 5DB25202EA; Tue, 19 Jul 2022 14:25:34 +0300 (EEST) Date: Tue, 19 Jul 2022 11:25:34 +0000 From: Sakari Ailus To: Paul Kocialkowski Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Hans Verkuil , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni , Rob Herring Subject: Re: [PATCH v5 1/6] dt-bindings: media: Add Allwinner A31 ISP bindings documentation Message-ID: References: <20220704173523.76729-1-paul.kocialkowski@bootlin.com> <20220704173523.76729-2-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220719_042545_579373_DE81E92C X-CRM114-Status: GOOD ( 22.10 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Paul, On Tue, Jul 19, 2022 at 12:04:31PM +0200, Paul Kocialkowski wrote: > Hi Sakari, > > On Sun 17 Jul 22, 11:37, Sakari Ailus wrote: > > Hi Paul, > > > > On Mon, Jul 04, 2022 at 07:35:18PM +0200, Paul Kocialkowski wrote: > > > This introduces YAML bindings documentation for the Allwinner A31 Image > > > Signal Processor (ISP). > > > > > > Signed-off-by: Paul Kocialkowski > > > Reviewed-by: Rob Herring > > > --- > > > .../media/allwinner,sun6i-a31-isp.yaml | 97 +++++++++++++++++++ > > > 1 file changed, 97 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml > > > > > > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml > > > new file mode 100644 > > > index 000000000000..2fda6e05e16c > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml > > > @@ -0,0 +1,97 @@ > > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-isp.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Allwinner A31 Image Signal Processor Driver (ISP) Device Tree Bindings > > > + > > > +maintainers: > > > + - Paul Kocialkowski > > > + > > > +properties: > > > + compatible: > > > + enum: > > > + - allwinner,sun6i-a31-isp > > > + - allwinner,sun8i-v3s-isp > > > + > > > + reg: > > > + maxItems: 1 > > > + > > > + interrupts: > > > + maxItems: 1 > > > + > > > + clocks: > > > + items: > > > + - description: Bus Clock > > > + - description: Module Clock > > > + - description: DRAM Clock > > > + > > > + clock-names: > > > + items: > > > + - const: bus > > > + - const: mod > > > + - const: ram > > > + > > > + resets: > > > + maxItems: 1 > > > + > > > + ports: > > > + $ref: /schemas/graph.yaml#/properties/ports > > > + > > > + properties: > > > + port@0: > > > + $ref: /schemas/graph.yaml#/properties/port > > > + description: CSI0 input port > > > + > > > + port@1: > > > + $ref: /schemas/graph.yaml#/properties/port > > > + description: CSI1 input port > > > > Do both support a single PHY with a single data only? If multiple data lanes > > are supported, please require data-lanes property (on endpoint). > > There's actually no PHY involved here: the ISP drivers gets its video stream > from these CSI controllers which are the ones interfacing with a MIPI CSI-2 > receiver (on A31/V3 it uses an external D-PHY, on A83T the D-PHY is collocated > with the controller). > > So I think the data-lanes property is not relevant here. > > What do you think? Ah, indeed, if it's an internal bus, then data-lanes isn't relevant. -- Sakari Ailus _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel