arm64: dts: mediatek: mt7988: add I2C controllers

MT7988 has three on-SoC I2C controllers that are the same hardware
blocks as already noticed on MT7981 chipsets.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20240604064302.487-2-zajec5@gmail.comSigned-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

arch/arm64/boot/dts/mediatek/mt7988a.dtsi

@@ -124,6 +124,45 @@ pwm@10048000 {
 			status = "disabled";
 		};
 
+		i2c@11003000 {
+			compatible = "mediatek,mt7981-i2c";
+			reg = <0 0x11003000 0 0x1000>,
+			      <0 0x10217080 0 0x80>;
+			interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_I2C_BCK>,
+				 <&infracfg CLK_INFRA_66M_AP_DMA_BCK>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c@11004000 {
+			compatible = "mediatek,mt7981-i2c";
+			reg = <0 0x11004000 0 0x1000>,
+			      <0 0x10217100 0 0x80>;
+			interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_I2C_BCK>,
+				 <&infracfg CLK_INFRA_66M_AP_DMA_BCK>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c@11005000 {
+			compatible = "mediatek,mt7981-i2c";
+			reg = <0 0x11005000 0 0x1000>,
+			      <0 0x10217180 0 0x80>;
+			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_I2C_BCK>,
+				 <&infracfg CLK_INFRA_66M_AP_DMA_BCK>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		usb@11190000 {
 			compatible = "mediatek,mt7988-xhci", "mediatek,mtk-xhci";
 			reg = <0 0x11190000 0 0x2e00>,