linux-kernel - [PATCH 14/14] arm64: dts: renesas: r9a09g087: Add SPIs support

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Message-ID: <20251028133151.1487327-15-cosmin-gabriel.tanislav.xa@renesas.com>
Date: Tue, 28 Oct 2025 15:31:45 +0200
From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
To: 
Cc: Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	linux-spi@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Subject: [PATCH 14/14] arm64: dts: renesas: r9a09g087: Add SPIs support

Add support for the four SPI peripherals on the Renesas RZ/N2H Soc.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index db117b6f75a1..a19349dc8e53 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -188,6 +188,78 @@ sci5: serial@...05000 {
 			status = "disabled";
 		};
 
+		rspi0: spi@...07000 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007000 0x0 0x400>;
+			interrupts = <GIC_SPI 636 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 637 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 638 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 634 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 635 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 104>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi1: spi@...07400 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007400 0x0 0x400>;
+			interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 642 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 643 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 639 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 640 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 105>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi2: spi@...07800 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007800 0x0 0x400>;
+			interrupts = <GIC_SPI 646 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 647 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 648 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 644 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 645 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 106>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi3: spi@...07000 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x81007000 0x0 0x400>;
+			interrupts = <GIC_SPI 651 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 652 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 653 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 649 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 650 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 602>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		wdt0: watchdog@...82000 {
 			compatible = "renesas,r9a09g087-wdt", "renesas,r9a09g077-wdt";
 			reg = <0 0x80082000 0 0x400>,
-- 
2.51.1