From daae3ecaeb1b14ba06fe7c0ca1c1d88bdf094d07 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 19 May 2026 11:00:17 +0100
Subject: [PATCH] arm64: dts: renesas: r9a08g046: Add rsci{0..3} device nodes

Add rsci{0..3} device nodes to the RZ/G3L ("R9A08G046") SoC DTSI.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260519100022.116318-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
index 4bb156dc3b23..03bdee870528 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
@@ -358,6 +358,90 @@ i2c3: i2c@10090c00 {
 			status = "disabled";
 		};
 
+		rsci0: serial@100b8000 {
+			compatible = "renesas,r9a08g046-rsci";
+			reg = <0 0x100b8000 0 0x1000>;
+			interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 417 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 418 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 420 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "eri", "rxi", "txi", "tei",
+					  "aed", "bfd";
+			clocks = <&cpg CPG_MOD R9A08G046_RSCI0_TCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSCI0_PCLK>;
+			clock-names = "operation", "bus";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G046_RSCI0_PRESETN>,
+				 <&cpg R9A08G046_RSCI0_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			status = "disabled";
+		};
+
+		rsci1: serial@100f1000 {
+			compatible = "renesas,r9a08g046-rsci";
+			reg = <0 0x100f1000 0 0x1000>;
+			interrupts = <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 423 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 424 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 426 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 427 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "eri", "rxi", "txi", "tei",
+					  "aed", "bfd";
+			clocks = <&cpg CPG_MOD R9A08G046_RSCI1_TCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSCI1_PCLK>;
+			clock-names = "operation", "bus";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G046_RSCI1_PRESETN>,
+				 <&cpg R9A08G046_RSCI1_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			status = "disabled";
+		};
+
+		rsci2: serial@100f2000 {
+			compatible = "renesas,r9a08g046-rsci";
+			reg = <0 0x100f2000 0 0x1000>;
+			interrupts = <GIC_SPI 428 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 429 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 430 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 431 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 433 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "eri", "rxi", "txi", "tei",
+					  "aed", "bfd";
+			clocks = <&cpg CPG_MOD R9A08G046_RSCI2_TCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSCI2_PCLK>;
+			clock-names = "operation", "bus";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G046_RSCI2_PRESETN>,
+				 <&cpg R9A08G046_RSCI2_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			status = "disabled";
+		};
+
+		rsci3: serial@100f3000 {
+			compatible = "renesas,r9a08g046-rsci";
+			reg = <0 0x100f3000 0 0x1000>;
+			interrupts = <GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 437 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 439 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "eri", "rxi", "txi", "tei",
+					  "aed", "bfd";
+			clocks = <&cpg CPG_MOD R9A08G046_RSCI3_TCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSCI3_PCLK>;
+			clock-names = "operation", "bus";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G046_RSCI3_PRESETN>,
+				 <&cpg R9A08G046_RSCI3_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			status = "disabled";
+		};
+
 		canfd: can@100c0000 {
 			reg = <0 0x100c0000 0 0x20000>;
 			/* placeholder */