linux-kernel - [PATCH v2 3/4] ARM: dts: renesas: r7s9210: add rpc-if node

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Message-Id: <175232758473.19062.5154901385305519621.sendpatchset@1.0.0.127.in-addr.arpa>
Date: Sat, 12 Jul 2025 15:39:44 +0200
From: Magnus Damm <damm@...nsource.se>
To: linux-renesas-soc@...r.kernel.org
Cc: robh@...nel.org,Magnus Damm <damm@...nsource.se>,geert+renesas@...der.be,devicetree@...r.kernel.org,conor+dt@...nel.org,krzk@...nel.org,linux-kernel@...r.kernel.org,wsa+renesas@...g-engineering.com,sergei.shtylyov@...il.com,p.zabel@...gutronix.de
Subject: [PATCH v2 3/4] ARM: dts: renesas: r7s9210: add rpc-if node

From: Magnus Damm <damm@...nsource.se>

Add one on-chip rpc-if device to r7s9210 (RZ/A2M). This kind of device tends
to interface to one or more on-board SPI / Hyper / Octo flash devices.

Signed-off-by: Magnus Damm <damm@...nsource.se>
---

 Changes since V1:
 - Added reg-names

 Applies to next-20250710

 arch/arm/boot/dts/renesas/r7s9210.dtsi |   13 +++++++++++++
 1 file changed, 13 insertions(+)

--- 0001/arch/arm/boot/dts/renesas/r7s9210.dtsi
+++ work/arch/arm/boot/dts/renesas/r7s9210.dtsi	2025-07-11 04:26:10.383216792 +0900
@@ -198,6 +198,19 @@
 			status = "disabled";
 		};
 
+		rpc0: spi@...00000 {
+			compatible = "renesas,r7s9210-rpc-if";
+			reg = <0x1f800000 0x100>, <0x20000000 0x10000000>;
+			reg-names = "regs", "dirmap";
+			interrupts = <GIC_SPI 445 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 83>;
+			power-domains = <&cpg>;
+			num-cs = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		ether0: ethernet@...04000 {
 			compatible = "renesas,ether-r7s9210";
 			reg = <0xe8204000 0x200>;