From: Nick Chan <towinchenmi@gmail.com>
Date: Tue, 10 Jun 2025 13:45:28 +0000 (+0800)
Subject: arm64: dts: apple: t8015: Add I2C nodes
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e1313c2185d22c2f8db508db61d3e2c0e62193d7;p=users%2Fhch%2Fmisc.git

arm64: dts: apple: t8015: Add I2C nodes

Add I2C nodes for Apple A11 SoC.

Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250610-i2c-no-t2-v2-9-a5a71080fba9@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
---

diff --git a/arch/arm64/boot/dts/apple/t8015.dtsi b/arch/arm64/boot/dts/apple/t8015.dtsi
index 12acf8fc8bc6..e002ecee3390 100644
--- a/arch/arm64/boot/dts/apple/t8015.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015.dtsi
@@ -265,6 +265,62 @@
 			#performance-domain-cells = <0>;
 		};
 
+		i2c0: i2c@22e200000 {
+			compatible = "apple,t8015-i2c", "apple,i2c";
+			reg = <0x2 0x2e200000 0x0 0x1000>;
+			clocks = <&clkref>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 304 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-0 = <&i2c0_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_i2c0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@22e204000 {
+			compatible = "apple,t8015-i2c", "apple,i2c";
+			reg = <0x2 0x2e204000 0x0 0x1000>;
+			clocks = <&clkref>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 305 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-0 = <&i2c1_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_i2c1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@22e208000 {
+			compatible = "apple,t8015-i2c", "apple,i2c";
+			reg = <0x2 0x2e208000 0x0 0x1000>;
+			clocks = <&clkref>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 306 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-0 = <&i2c2_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_i2c2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@22e20c000 {
+			compatible = "apple,t8015-i2c", "apple,i2c";
+			reg = <0x2 0x2e20c000 0x0 0x1000>;
+			clocks = <&clkref>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 307 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-0 = <&i2c3_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_i2c3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		serial0: serial@22e600000 {
 			compatible = "apple,s5l-uart";
 			reg = <0x2 0x2e600000 0x0 0x4000>;
@@ -321,6 +377,26 @@
 				     <AIC_IRQ 54 IRQ_TYPE_LEVEL_HIGH>,
 				     <AIC_IRQ 55 IRQ_TYPE_LEVEL_HIGH>,
 				     <AIC_IRQ 56 IRQ_TYPE_LEVEL_HIGH>;
+
+			i2c0_pins: i2c0-pins {
+				pinmux = <APPLE_PINMUX(73, 1)>,
+					 <APPLE_PINMUX(72, 1)>;
+			};
+
+			i2c1_pins: i2c1-pins {
+				pinmux = <APPLE_PINMUX(182, 1)>,
+					 <APPLE_PINMUX(181, 1)>;
+			};
+
+			i2c2_pins: i2c2-pins {
+				pinmux = <APPLE_PINMUX(4, 1)>,
+					 <APPLE_PINMUX(3, 1)>;
+			};
+
+			i2c3_pins: i2c3-pins {
+				pinmux = <APPLE_PINMUX(184, 1)>,
+					 <APPLE_PINMUX(183, 1)>;
+			};
 		};
 
 		pinctrl_aop: pinctrl@2340f0000 {