Commit 90458f6e authored by Janne Grunau's avatar Janne Grunau Committed by Hector Martin
Browse files

arm64: dts: apple: t8103: Add i2c nodes 



Apple M1 has at least 5 i2c controllers. i2c0, i2c1 and i2c3 are used
on all M1 Mac devices. The 2020 Mac Mini uses i2c2 and the 13-inch
MacBook Pro uses i2c2 and i2c4.

Signed-off-by: default avatarJanne Grunau <j@jannau.net>
Reviewed-by: default avatarSven Peter <sven@svenpeter.dev>
Tested-by: default avatarHector Martin <marcan@marcan.st>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
parent 7c77ab91

arch/arm64/boot/dts/apple/t8103-j274.dts

+4 −0
Original line number Diff line number Diff line
@@ -39,3 +39,7 @@ 
		local-mac-address = [00 10 18 00 00 00];

	};

};



&i2c2 {

	status = "okay";

};

arch/arm64/boot/dts/apple/t8103-j293.dts

+8 −0
Original line number Diff line number Diff line
@@ -31,3 +31,11 @@ 


/delete-node/ &port01;

/delete-node/ &port02;



&i2c2 {

	status = "okay";

};



&i2c4 {

	status = "okay";

};

arch/arm64/boot/dts/apple/t8103.dtsi

+87 −0
Original line number Diff line number Diff line
@@ -111,6 +111,68 @@ 
		ranges;

		nonposted-mmio;



		i2c0: i2c@235010000 {

			compatible = "apple,t8103-i2c", "apple,i2c";

			reg = <0x2 0x35010000 0x0 0x4000>;

			clocks = <&clk24>;

			interrupt-parent = <&aic>;

			interrupts = <AIC_IRQ 627 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-0 = <&i2c0_pins>;

			pinctrl-names = "default";

			#address-cells = <0x1>;

			#size-cells = <0x0>;

		};



		i2c1: i2c@235014000 {

			compatible = "apple,t8103-i2c", "apple,i2c";

			reg = <0x2 0x35014000 0x0 0x4000>;

			clocks = <&clk24>;

			interrupt-parent = <&aic>;

			interrupts = <AIC_IRQ 628 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-0 = <&i2c1_pins>;

			pinctrl-names = "default";

			#address-cells = <0x1>;

			#size-cells = <0x0>;

		};



		i2c2: i2c@235018000 {

			compatible = "apple,t8103-i2c", "apple,i2c";

			reg = <0x2 0x35018000 0x0 0x4000>;

			clocks = <&clk24>;

			interrupt-parent = <&aic>;

			interrupts = <AIC_IRQ 629 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-0 = <&i2c2_pins>;

			pinctrl-names = "default";

			#address-cells = <0x1>;

			#size-cells = <0x0>;

			status = "disabled"; /* not used in all devices */

		};



		i2c3: i2c@23501c000 {

			compatible = "apple,t8103-i2c", "apple,i2c";

			reg = <0x2 0x3501c000 0x0 0x4000>;

			clocks = <&clk24>;

			interrupt-parent = <&aic>;

			interrupts = <AIC_IRQ 630 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-0 = <&i2c3_pins>;

			pinctrl-names = "default";

			#address-cells = <0x1>;

			#size-cells = <0x0>;

		};



		i2c4: i2c@235020000 {

			compatible = "apple,t8103-i2c", "apple,i2c";

			reg = <0x2 0x35020000 0x0 0x4000>;

			clocks = <&clk24>;

			interrupt-parent = <&aic>;

			interrupts = <AIC_IRQ 631 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-0 = <&i2c4_pins>;

			pinctrl-names = "default";

			#address-cells = <0x1>;

			#size-cells = <0x0>;

			status = "disabled"; /* only used in J293 */

		};



		serial0: serial@235200000 {

			compatible = "apple,s5l-uart";

			reg = <0x2 0x35200000 0x0 0x1000>;
@@ -153,6 +215,31 @@ 
				     <AIC_IRQ 195 IRQ_TYPE_LEVEL_HIGH>,

				     <AIC_IRQ 196 IRQ_TYPE_LEVEL_HIGH>;



			i2c0_pins: i2c0-pins {

				pinmux = <APPLE_PINMUX(192, 1)>,

					 <APPLE_PINMUX(188, 1)>;

			};



			i2c1_pins: i2c1-pins {

				pinmux = <APPLE_PINMUX(201, 1)>,

					 <APPLE_PINMUX(199, 1)>;

			};



			i2c2_pins: i2c2-pins {

				pinmux = <APPLE_PINMUX(163, 1)>,

					 <APPLE_PINMUX(162, 1)>;

			};



			i2c3_pins: i2c3-pins {

				pinmux = <APPLE_PINMUX(73, 1)>,

					 <APPLE_PINMUX(72, 1)>;

			};



			i2c4_pins: i2c4-pins {

				pinmux = <APPLE_PINMUX(135, 1)>,

					 <APPLE_PINMUX(134, 1)>;

			};



			pcie_pins: pcie-pins {

				pinmux = <APPLE_PINMUX(150, 1)>,

					 <APPLE_PINMUX(151, 1)>,