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 32A59366DA3; Fri, 28 Aug 2026 16:21:51 +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=1787934113; cv=none; b=gWEMhZ0F6e4duZqs8AWQ+JQoTPvDSzN/CArWtlWkUrRxN2SEMzcjJu4W+cNg6ZDrK3GVmFuo0q/UjdZqeLT3CCm/OByex/uNuoQQN28ENpvP2dwz8RPlF9aIqpVIDOWxcNN4Bw4ikoOvELngU7NNdXo+7n8GeyYpJAPsmWEGVVc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787934113; c=relaxed/simple; bh=BX7Ip8uAT4O3Cu2AY+CH6LhtblYazToBKL6QCvtyuFo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=B4BhxYO21dhYw++BYyworn7zKASqRY8BFwg3y0RVaECApm4nS/mBqO0+qlh4Vgaer/tRLjDKqRmJqV+soxo1s9f/otDSiKhFTLnrpZCFXZUjFHQk7SQPtcbrcMeGK7PGARVCFWFhsV2n8kdK37EQvVqMFPaXwYzm4c6Av4xXt48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QzDtX1fW; 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="QzDtX1fW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 251D41F000E9; Fri, 28 Aug 2026 16:21:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787934111; bh=n5cdlXyDppmfJXRYYz52pa+3kGjY+vQ3tL6RUIYinmI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=QzDtX1fWSxprwm4P+6bJgphzCF99XG+w5QZ4rst5AcaMxfXX5mJr0yTt4xGDsqUpI fZfpOaqmwLDkBsrqipSiPmwIfDPJwtB8xG6ABo4n7gB4SvxvOdRxZm7kKd7mqCsi7g o2FWlO6IaPOEFgG3AGNLBw4NrbukiGCFxKKzDSlRTWM8yyOEjJMQutoQDkRLyvKn62 DStQUAqtGOISADuyHHszGPjJJKHgYOl2+lW/58WE+XbmB1SQOayb8yZj3srNUFo4my f/rbCcZFs9QwEdlG3DeMRASt+7yvmV4bnSyZ9FT6IsakMMqbZUDuUx+j4395OhIXhp W7GDQi3jVLNsg== Date: Fri, 28 Aug 2026 17:21:47 +0100 From: Conor Dooley To: Cosmin Tanislav Cc: Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , linux-iio@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 7/9] dt-bindings: iio: adc: renesas,r9a09g077-adc: document DMA support Message-ID: <20260828-stoppable-clone-db6c2fefe0fd@spud> References: <20260828145943.2077589-1-cosmin-gabriel.tanislav.xa@renesas.com> <20260828145943.2077589-8-cosmin-gabriel.tanislav.xa@renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="5gSPc2i/A8WI5ivx" Content-Disposition: inline In-Reply-To: <20260828145943.2077589-8-cosmin-gabriel.tanislav.xa@renesas.com> --5gSPc2i/A8WI5ivx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 28, 2026 at 05:59:40PM +0300, Cosmin Tanislav wrote: > The ADC can transfer conversion results to memory over DMA. >=20 > Allow up to three DMA specifiers, as the ADC conversion DMA request can > be routed to any of the SoC's three DMA controllers. >=20 > Signed-off-by: Cosmin Tanislav > --- > .../bindings/iio/adc/renesas,r9a09g077-adc.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-= adc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.= yaml > index dc0206b28231..4b5934ac296b 100644 > --- a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml > @@ -57,6 +57,18 @@ properties: > - const: adclk > - const: pclk > =20 > + dmas: > + minItems: 1 > + maxItems: 3 > + description: > + Must contain a list of references to DMA RX specifiers. > + > + dma-names: > + minItems: 1 > + maxItems: 3 > + items: > + const: rx How does this make any sense? If the device can make use of three DMA controllers at once, you need 3 names. If it cannot, then just limit this to 1. pw-bot: changes-requested Thanks, Conor. > + > power-domains: > maxItems: 1 > =20 > --=20 > 2.55.0 >=20 --5gSPc2i/A8WI5ivx Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCapG1mgAKCRB4tDGHoIJi 0iiHAP94zOQvc2anyw/mmBqZvGqptkvLUUt0DY1ASYo5ypbzCAD/a4R9IE4owZ2e TwBoDA0m6XZXiz2c1BP/Vw13/5Nmfwo= =diCa -----END PGP SIGNATURE----- --5gSPc2i/A8WI5ivx--