[PATCH v2 2/4] arm64: dts: renesas: r9a09g087: Add I2C controller nodes
From: Prabhakar
Date: Mon Jul 07 2025 - 11:36:05 EST
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
The Renesas RZ/N2H ("R9A09G087") SoC includes three I2C (RIIC) channels.
Adds the device tree nodes for all three I2C controllers to RZ/N2H
SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v1->v2:
- Fixed W=1 warnings in the device tree files.
- Fixed clock for i2c2.
---
arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index e57a91adcb68..7452aca6b05b 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -90,6 +90,51 @@ sci0: serial@80005000 {
status = "disabled";
};
+ i2c0: i2c@80088000 {
+ compatible = "renesas,riic-r9a09g087", "renesas,riic-r9a09g077";
+ reg = <0 0x80088000 0 0x400>;
+ interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 615 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 616 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 617 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "eei", "rxi", "txi", "tei";
+ clocks = <&cpg CPG_MOD 100>;
+ power-domains = <&cpg>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@80088400 {
+ compatible = "renesas,riic-r9a09g087", "renesas,riic-r9a09g077";
+ reg = <0 0x80088400 0 0x400>;
+ interrupts = <GIC_SPI 618 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 619 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 620 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 621 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "eei", "rxi", "txi", "tei";
+ clocks = <&cpg CPG_MOD 101>;
+ power-domains = <&cpg>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@81008000 {
+ compatible = "renesas,riic-r9a09g087", "renesas,riic-r9a09g077";
+ reg = <0 0x81008000 0 0x400>;
+ interrupts = <GIC_SPI 622 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 623 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 624 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 625 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "eei", "rxi", "txi", "tei";
+ clocks = <&cpg CPG_MOD 601>;
+ power-domains = <&cpg>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
cpg: clock-controller@80280000 {
compatible = "renesas,r9a09g087-cpg-mssr";
reg = <0 0x80280000 0 0x1000>,
--
2.49.0