From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 82C2830F539; Fri, 20 Feb 2026 22:28:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771626481; cv=none; b=t7Zg+UbylgQ4s6UwSMX1lLFAT2GapaFa4Ub1R89LA/Wimx5W6PX4qPULNjV1Ji1MW0Sm7gWU3bQykK9LOT8ge2JzNPFmSO5eouNgWSpqrYr1aAutBj4XMTAmJz+NSmBwmq5y4PsjpWjGUWBNKR1PJyPqpkULwCfRNtrzCTJ91tI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771626481; c=relaxed/simple; bh=wE0q/7dkOqR1gW9ECzxwZTApOZqI/Y970y7z51cz0x8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eRv/kQUW2/kYRAb3IQw9oMr6J26Dva/cK0+utDROP0n15mvV3kuP/n0CEybbHWzHUt00M4mzwnd8MDdi7Hvt/FpAWitHA9XaYKRYVJupkPa6r+iub+911JXvA75RezRqwZ4/wrr0aZn3sPL5XERzhdbcRukL8NmIzFTOFaLDvG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LELsAyP5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LELsAyP5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7266C116C6; Fri, 20 Feb 2026 22:27:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771626481; bh=wE0q/7dkOqR1gW9ECzxwZTApOZqI/Y970y7z51cz0x8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LELsAyP5zFERbgoJyfb6/3Jspc2YS9em7Ak2InKMdysOGPKJefGB22bdtnX970DA5 I7wiFwsT/yPn2+cjNanoMfmHI5CeZpsE+emmQT/hKQlW7HOjUXpxYXBiLDcIdmRZe9 asbNdn2KS3dFWbEdXfRFor/DzIUqmCT7UNg0a3umGYM5YKmRFx6nf7I7Xd/AbLFqt8 nnfkPC99V7o5oZEdmELPMFjuyTW9hpALr5UBkFsoOX9L+G+7UISXPOQnP5O/CGX0xD 9pOMRZ13MxCWQa9uXpD1Lq26U6expXd9Xi3Efg1oefBLBWNd84vRwvX2zovvuWWNfP n5pBfm5r1MVUA== Date: Fri, 20 Feb 2026 22:27:55 +0000 From: Conor Dooley To: Frank Li Cc: Max Hsu , Paul Walmsley , Samuel Holland , Vinod Koul , Frank Li , Green Wan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Debbelt , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-riscv@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Walmsley , devicetree@vger.kernel.org Subject: Re: [PATCH 5/5] riscv: dts: sifive: fu740: add PDMA device node Message-ID: <20260220-trilogy-passerby-fc792af8a00a@spud> References: <20260221-pdma-v1-0-838d929c2326@sifive.com> <20260221-pdma-v1-5-838d929c2326@sifive.com> Precedence: bulk X-Mailing-List: dmaengine@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="fcTsCJeLa/9CujzX" Content-Disposition: inline In-Reply-To: --fcTsCJeLa/9CujzX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 20, 2026 at 03:30:50PM -0500, Frank Li wrote: > On Sat, Feb 21, 2026 at 03:43:57AM +0800, Max Hsu wrote: > > The FU740 SoC includes a 4-channel Platform DMA (PDMA) controller. > > Add the device node to enable DMA support. > > > > Signed-off-by: Max Hsu > > --- > > arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 9 +++++++++ > > 1 file changed, 9 insertions(+) > > > > diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/bo= ot/dts/sifive/fu740-c000.dtsi > > index 6150f3397bff..30d0d6837c57 100644 > > --- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi > > +++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi > > @@ -329,6 +329,15 @@ gpio: gpio@10060000 { > > clocks =3D <&prci FU740_PRCI_CLK_PCLK>; > > status =3D "disabled"; > > }; > > + dma: dma-controller@3000000 { >=20 > not sure sifive, generally require orderby hex address, and need empty > line between child node. Correct on the ordering front, but the latter appears to be the style in the file at the moment so I don't care about that. >=20 > Frank > > + compatible =3D "sifive,fu740-c000-pdma", "sifive,pdma0"; > > + reg =3D <0x0 0x3000000 0x0 0x100000>; > > + interrupt-parent =3D <&plic0>; > > + interrupts =3D <11>, <12>, <13>, <14>, <15>, <16>, <17>, <18>; > > + dma-channels =3D <4>; > > + clocks =3D <&prci FU740_PRCI_CLK_PCLK>; > > + #dma-cells =3D <1>; > > + }; > > pcie@e00000000 { > > compatible =3D "sifive,fu740-pcie"; > > #address-cells =3D <3>; > > > > -- > > 2.43.0 > > --fcTsCJeLa/9CujzX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaZjf6wAKCRB4tDGHoIJi 0lEjAQDjgGPf3wvEr+LErvWPWwlnhitG9RybYY14S/6K35R3+QD9Estycm/22oj6 3d+6HADdHDeuruwB3TxblckrVngfsQQ= =FSgS -----END PGP SIGNATURE----- --fcTsCJeLa/9CujzX--