i2c: improve i2c architecture, add sifive i2c driver

2026-03-25 19:07:59 +02:00
parent f416414b93
commit 7f256cf3a6
23 changed files with 1129 additions and 312 deletions
@@ -235,6 +235,31 @@
 			status = "disabled";
 		};

+		i2c0: i2c@10030000 {
+			compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+			reg = <0x00 0x10030000 0x00 0x1000>;
+			interrupt-parent = <&plic>;
+			interrupts = <52>;
+			clocks = <&prci CLK_PCLK>;
+			reg-shift = <2>;
+			reg-io-width = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+        };
+
+		i2c1: i2c@10031000 {
+			compatible = "sifive,fu740-c000-i2c", "sifive,i2c0";
+			reg = <0x00 0x10031000 0x00 0x1000>;
+			interrupt-parent = <&plic>;
+			interrupts = <53>;
+			clocks = <&prci CLK_PCLK>;
+			reg-shift = <2>;
+			reg-io-width = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
 	};

 	memory@80000000 {