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Tue, 03 Mar 2026 15:33:22 -0800 (PST) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 1/2] arm64: dts: renesas: r9a09g056: Add DMA support for RSPI channels Date: Tue, 3 Mar 2026 23:33:13 +0000 Message-ID: <20260303233314.2928711-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260303233314.2928711-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260303233314.2928711-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Enable DMA support for RSPI channels. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Added all the possible DMA channels --- arch/arm64/boot/dts/renesas/r9a09g056.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g056.dtsi index 494f0e5a83ab..9192c5bf7e59 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi @@ -784,6 +784,13 @@ rspi0: spi@12800000 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7b>, <&cpg 0x7c>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x448c>, <&dmac0 0x448d>, + <&dmac1 0x448c>, <&dmac1 0x448d>, + <&dmac2 0x448c>, <&dmac2 0x448d>, + <&dmac3 0x448c>, <&dmac3 0x448d>, + <&dmac4 0x448c>, <&dmac4 0x448d>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; @@ -805,6 +812,13 @@ rspi1: spi@12800400 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7d>, <&cpg 0x7e>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x448e>, <&dmac0 0x448f>, + <&dmac1 0x448e>, <&dmac1 0x448f>, + <&dmac2 0x448e>, <&dmac2 0x448f>, + <&dmac3 0x448e>, <&dmac3 0x448f>, + <&dmac4 0x448e>, <&dmac4 0x448f>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; @@ -826,6 +840,13 @@ rspi2: spi@12800800 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7f>, <&cpg 0x80>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x4490>, <&dmac0 0x4491>, + <&dmac1 0x4490>, <&dmac1 0x4491>, + <&dmac2 0x4490>, <&dmac2 0x4491>, + <&dmac3 0x4490>, <&dmac3 0x4491>, + <&dmac4 0x4490>, <&dmac4 0x4491>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; --=20 2.53.0 From nobody Wed Apr 15 13:19:17 2026 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F4833563E8 for ; 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charset="utf-8" From: Lad Prabhakar Enable DMA support for RSPI channels. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Added all the possible DMA channels --- arch/arm64/boot/dts/renesas/r9a09g057.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g057.dtsi index 02ec79a556f0..7be228f267fb 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi @@ -765,6 +765,13 @@ rspi0: spi@12800000 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7b>, <&cpg 0x7c>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x448c>, <&dmac0 0x448d>, + <&dmac1 0x448c>, <&dmac1 0x448d>, + <&dmac2 0x448c>, <&dmac2 0x448d>, + <&dmac3 0x448c>, <&dmac3 0x448d>, + <&dmac4 0x448c>, <&dmac4 0x448d>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; @@ -786,6 +793,13 @@ rspi1: spi@12800400 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7d>, <&cpg 0x7e>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x448e>, <&dmac0 0x448f>, + <&dmac1 0x448e>, <&dmac1 0x448f>, + <&dmac2 0x448e>, <&dmac2 0x448f>, + <&dmac3 0x448e>, <&dmac3 0x448f>, + <&dmac4 0x448e>, <&dmac4 0x448f>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; @@ -807,6 +821,13 @@ rspi2: spi@12800800 { clock-names =3D "pclk", "pclk_sfr", "tclk"; resets =3D <&cpg 0x7f>, <&cpg 0x80>; reset-names =3D "presetn", "tresetn"; + dmas =3D <&dmac0 0x4490>, <&dmac0 0x4491>, + <&dmac1 0x4490>, <&dmac1 0x4491>, + <&dmac2 0x4490>, <&dmac2 0x4491>, + <&dmac3 0x4490>, <&dmac3 0x4491>, + <&dmac4 0x4490>, <&dmac4 0x4491>; + dma-names =3D "rx", "tx", "rx", "tx", "rx", + "tx", "rx", "tx", "rx", "tx"; power-domains =3D <&cpg>; #address-cells =3D <1>; #size-cells =3D <0>; --=20 2.53.0