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charset="utf-8" From: Lad Prabhakar Add support for the CANFD controller on the Renesas RZ/T2H Soc. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g077.dtsi | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g077.dtsi index 63de8271f47c..19ace8d86160 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi @@ -237,6 +237,37 @@ rspi3: spi@81007000 { status =3D "disabled"; }; =20 + canfd: can@80040000 { + compatible =3D "renesas,r9a09g077-canfd"; + reg =3D <0 0x80040000 0 0x20000>; + interrupts =3D , + , + , + , + , + , + , + ; + interrupt-names =3D "g_err", "g_recc", + "ch0_err", "ch0_rec", "ch0_trx", + "ch1_err", "ch1_rec", "ch1_trx"; + clocks =3D <&cpg CPG_MOD 310>, + <&cpg CPG_CORE R9A09G077_CLK_PCLKH>, + <&cpg CPG_CORE R9A09G077_PCLKCAN>; + clock-names =3D "fck", "ram_clk", "can_clk"; + assigned-clocks =3D <&cpg CPG_CORE R9A09G077_PCLKCAN>; + assigned-clock-rates =3D <80000000>; + power-domains =3D <&cpg>; 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charset="utf-8" From: Lad Prabhakar Add support for the CANFD controller on the Renesas RZ/N2H Soc. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g087.dtsi index 9809a6a9c1c0..d76999377077 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi @@ -237,6 +237,37 @@ rspi3: spi@81007000 { status =3D "disabled"; }; =20 + canfd: can@80040000 { + compatible =3D "renesas,r9a09g087-canfd", "renesas,r9a09g077-canfd"; + reg =3D <0 0x80040000 0 0x20000>; + interrupts =3D , + , + , + , + , + , + , + ; + interrupt-names =3D "g_err", "g_recc", + "ch0_err", "ch0_rec", "ch0_trx", + "ch1_err", "ch1_rec", "ch1_trx"; + clocks =3D <&cpg CPG_MOD 310>, + <&cpg CPG_CORE R9A09G087_CLK_PCLKH>, + <&cpg CPG_CORE R9A09G087_PCLKCAN>; + clock-names =3D "fck", "ram_clk", "can_clk"; + assigned-clocks =3D <&cpg CPG_CORE R9A09G087_PCLKCAN>; + assigned-clock-rates =3D <80000000>; 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charset="utf-8" From: Lad Prabhakar Enable CANFD channel 0, which is available on the CN55 connector. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts index d1474f1bd523..e6d6012a5154 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts @@ -138,6 +138,16 @@ led-8 { }; }; =20 +&canfd { + pinctrl-0 =3D <&can0_pins>; + pinctrl-names =3D "default"; + status =3D "okay"; + + channel0 { + status =3D "okay"; + }; +}; + &i2c0 { pinctrl-0 =3D <&i2c0_pins>; pinctrl-names =3D "default"; @@ -166,6 +176,17 @@ &mdio2_phy { }; =20 &pinctrl { + /* + * CAN0 Pin Configuration: + * + * SW7[1] OFF; SW7[2] ON - Use P24_4 as CANTX0. + * SW7[3] OFF; SW7[4] ON - Use P24_3 as CANRX0. + */ + can0_pins: can0-pins { + pinmux =3D , /* CANRX0 */ + ; /* CANTX0 */ + }; + /* * GMAC2 Pin Configuration: * --=20 2.52.0 From nobody Mon Feb 9 18:49:08 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 F2F4E33D4E1 for ; 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charset="utf-8" From: Lad Prabhakar Enable CANFD channel 1, which is available on the CN35 connector. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../dts/renesas/r9a09g087m44-rzn2h-evk.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts index eaf73868783b..ff18632a4214 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -27,6 +27,13 @@ #define SD0_EMMC 1 #define SD0_SD (!SD0_EMMC) =20 +/* + * To enable CANFD interface disable both eMMC and SD card on SDHI0 by + * setting SD0_EMMC and SD0_SD macros to 0 as pins P12_0 and P12_1 + * will be used for CANFD interface. + */ +#define CANFD_ENABLE (!SD0_EMMC && !SD0_SD) + /* * P17_4 =3D SD1_CD; DSW5[3] =3D ON; DSW19[1] =3D OFF; DSW19[2] =3D ON * P08_6 =3D SD1_IOVS; DSW5[3] =3D ON @@ -173,6 +180,18 @@ led-11 { }; }; =20 +#if CANFD_ENABLE +&canfd { + pinctrl-0 =3D <&can1_pins>; + pinctrl-names =3D "default"; + status =3D "okay"; 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charset="utf-8" From: Lad Prabhakar Add CANFD node to RZ/V2N ("R9A09G056") SoC DTSI. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g056.dtsi | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g056.dtsi index b37eb7319ac1..928b0d162643 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi @@ -664,6 +664,66 @@ i3c: i3c@12400000 { status =3D "disabled"; }; =20 + canfd: can@12440000 { + compatible =3D "renesas,r9a09g056-canfd", "renesas,r9a09g047-canfd"; + reg =3D <0 0x12440000 0 0x40000>; + interrupts =3D , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + interrupt-names =3D "g_err", "g_recc", + "ch0_err", "ch0_rec", "ch0_trx", + "ch1_err", "ch1_rec", "ch1_trx", + "ch2_err", "ch2_rec", "ch2_trx", + "ch3_err", "ch3_rec", "ch3_trx", + "ch4_err", "ch4_rec", "ch4_trx", + "ch5_err", "ch5_rec", "ch5_trx"; + clocks =3D <&cpg CPG_MOD 0x9c>, <&cpg CPG_MOD 0x9d>, + <&cpg CPG_MOD 0x9e>; + clock-names =3D "fck", "ram_clk", "can_clk"; + assigned-clocks =3D <&cpg CPG_MOD 0x9e>; + assigned-clock-rates =3D <80000000>; + resets =3D <&cpg 0xa1>, <&cpg 0xa2>; + reset-names =3D "rstp_n", "rstc_n"; + power-domains =3D <&cpg>; + status =3D "disabled"; + + channel0 { + status =3D "disabled"; + }; + channel1 { + status =3D "disabled"; + }; + channel2 { + status =3D "disabled"; + }; + channel3 { + status =3D "disabled"; + }; + channel4 { + status =3D "disabled"; + }; + channel5 { + status =3D "disabled"; + }; + }; + rspi0: spi@12800000 { compatible =3D "renesas,r9a09g056-rspi", "renesas,r9a09g057-rspi"; reg =3D <0x0 0x12800000 0x0 0x400>; --=20 2.52.0 From nobody Mon Feb 9 18:49:08 2026 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (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 4FC793446B3 for ; Wed, 24 Dec 2025 17:52:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Wed, 24 Dec 2025 09:52:24 -0800 (PST) Received: from iku.Home ([2a06:5906:61b:2d00:3371:7b65:aaf4:d2e4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47be3a4651bsm140167935e9.7.2025.12.24.09.52.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 09:52:23 -0800 (PST) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-renesas-soc@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 6/6] arm64: dts: renesas: r9a09g057: Add CANFD node Date: Wed, 24 Dec 2025 17:52:04 +0000 Message-ID: <20251224175204.3400062-7-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224175204.3400062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251224175204.3400062-1-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 Add CANFD node to RZ/V2H(P) ("R9A09G057") SoC DTSI. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a09g057.dtsi | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g057.dtsi index cb0308b84002..0db05e24b789 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi @@ -690,6 +690,66 @@ i3c: i3c@12400000 { status =3D "disabled"; }; =20 + canfd: can@12440000 { + compatible =3D "renesas,r9a09g057-canfd", "renesas,r9a09g047-canfd"; + reg =3D <0 0x12440000 0 0x40000>; + interrupts =3D , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + interrupt-names =3D "g_err", "g_recc", + "ch0_err", "ch0_rec", "ch0_trx", + "ch1_err", "ch1_rec", "ch1_trx", + "ch2_err", "ch2_rec", "ch2_trx", + "ch3_err", "ch3_rec", "ch3_trx", + "ch4_err", "ch4_rec", "ch4_trx", + "ch5_err", "ch5_rec", "ch5_trx"; + clocks =3D <&cpg CPG_MOD 0x9c>, <&cpg CPG_MOD 0x9d>, + <&cpg CPG_MOD 0x9e>; + clock-names =3D "fck", "ram_clk", "can_clk"; + assigned-clocks =3D <&cpg CPG_MOD 0x9e>; + assigned-clock-rates =3D <80000000>; + resets =3D <&cpg 0xa1>, <&cpg 0xa2>; + reset-names =3D "rstp_n", "rstc_n"; + power-domains =3D <&cpg>; + status =3D "disabled"; + + channel0 { + status =3D "disabled"; + }; + channel1 { + status =3D "disabled"; + }; + channel2 { + status =3D "disabled"; + }; + channel3 { + status =3D "disabled"; + }; + channel4 { + status =3D "disabled"; + }; + channel5 { + status =3D "disabled"; + }; + }; + rspi0: spi@12800000 { compatible =3D "renesas,r9a09g057-rspi"; reg =3D <0x0 0x12800000 0x0 0x400>; --=20 2.52.0