[PATCH v3 1/2] arm64: dts: airoha: en7581: Add more nodes to EN7581 SoC evaluation board

[Lorenzo Bianconi]

Introduce the following nodes to EN7581 SoC and EN7581 evaluation board:
- rng controller
- pinctrl
- i2c controllers

Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
---
 arch/arm64/boot/dts/airoha/en7581-evb.dts |  4 +++
 arch/arm64/boot/dts/airoha/en7581.dtsi    | 60 +++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)

diff --git a/arch/arm64/boot/dts/airoha/en7581-evb.dts b/arch/arm64/boot/dts/airoha/en7581-evb.dts
index a4cdcadd1ae547cfc79553208f991767602705fd..d53b72d18242e3cee8b37c7b1b719d662fd6db8d 100644
--- a/arch/arm64/boot/dts/airoha/en7581-evb.dts
+++ b/arch/arm64/boot/dts/airoha/en7581-evb.dts
@@ -64,3 +64,7 @@ reserved_bmt at 7e00000 {
 		};
 	};
 };
+
+&i2c0 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi
index dbd296b049f99721186ab435d6e6b8dff73b73af..9a419796594d3a99e1187dcca622469bf5a888c3 100644
--- a/arch/arm64/boot/dts/airoha/en7581.dtsi
+++ b/arch/arm64/boot/dts/airoha/en7581.dtsi
@@ -3,6 +3,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/en7523-clk.h>
+#include <dt-bindings/reset/airoha,en7581-reset.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -123,6 +124,12 @@ timer {
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
 	};
 
+	clk20m: clock-20000000 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <20000000>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -181,5 +188,58 @@ uart1: serial at 1fbf0000 {
 			interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
 			clock-frequency = <1843200>;
 		};
+
+		rng at 1faa1000 {
+			compatible = "airoha,en7581-trng";
+			reg = <0x0 0x1faa1000 0x0 0xc04>;
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		system-controller at 1fbf0200 {
+			compatible = "airoha,en7581-gpio-sysctl", "syscon",
+				     "simple-mfd";
+			reg = <0x0 0x1fbf0200 0x0 0xc0>;
+
+			en7581_pinctrl: pinctrl {
+				compatible = "airoha,en7581-pinctrl";
+
+				interrupt-parent = <&gic>;
+				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+
+				gpio-controller;
+				#gpio-cells = <2>;
+
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+		};
+
+		i2c0: i2c at 1fbf8000 {
+			compatible = "mediatek,mt7621-i2c";
+			reg = <0x0 0x1fbf8000 0x0 0x100>;
+
+			resets = <&scuclk EN7581_I2C2_RST>;
+
+			clocks = <&clk20m>;
+			clock-frequency = <100000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+
+		i2c1: i2c at 1fbf8100 {
+			compatible = "mediatek,mt7621-i2c";
+			reg = <0x0 0x1fbf8100 0x0 0x100>;
+
+			resets = <&scuclk EN7581_I2C_MASTER_RST>;
+
+			clocks = <&clk20m>;
+			clock-frequency = <100000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
 	};
 };

-- 
2.48.1