From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Add CANFD node to RZ/V2N ("R9A09G056") SoC DTSI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 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/dts/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 = "disabled";
 		};
 
+		canfd: can@12440000 {
+			compatible = "renesas,r9a09g056-canfd", "renesas,r9a09g047-canfd";
+			reg = <0 0x12440000 0 0x40000>;
+			interrupts = <GIC_SPI 709 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 710 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 697 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 703 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 711 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 698 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 704 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 712 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 699 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 705 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 713 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 700 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 706 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 714 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 701 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 707 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 715 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 708 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 716 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "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 = <&cpg CPG_MOD 0x9c>, <&cpg CPG_MOD 0x9d>,
+				 <&cpg CPG_MOD 0x9e>;
+			clock-names = "fck", "ram_clk", "can_clk";
+			assigned-clocks = <&cpg CPG_MOD 0x9e>;
+			assigned-clock-rates = <80000000>;
+			resets = <&cpg 0xa1>, <&cpg 0xa2>;
+			reset-names = "rstp_n", "rstc_n";
+			power-domains = <&cpg>;
+			status = "disabled";
+
+			channel0 {
+				status = "disabled";
+			};
+			channel1 {
+				status = "disabled";
+			};
+			channel2 {
+				status = "disabled";
+			};
+			channel3 {
+				status = "disabled";
+			};
+			channel4 {
+				status = "disabled";
+			};
+			channel5 {
+				status = "disabled";
+			};
+		};
+
 		rspi0: spi@12800000 {
 			compatible = "renesas,r9a09g056-rspi",  "renesas,r9a09g057-rspi";
 			reg = <0x0 0x12800000 0x0 0x400>;
-- 
2.52.0

On Wed, 24 Dec 2025 at 18:52, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Add CANFD node to RZ/V2N ("R9A09G056") SoC DTSI.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.20.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds