Commit c03edf1c authored by Janne Grunau's avatar Janne Grunau Committed by Hector Martin
Browse files

arm64: dts: apple: t8103: Add cd321x nodes 



All M1 Mac devices have 2 SoC connected USB-C ports and use cd321x USB
type C port switch and power deliver controllers. I2c bus and addresses
configuration are for all devices equal.
The iMac (24-inch, 2021) has a configuration with 2 additional USB-C
ports (j456) using two additional cd321x controllers.

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 90458f6e

arch/arm64/boot/dts/apple/t8103-j456.dts

+18 −0
Original line number Diff line number Diff line
@@ -21,6 +21,24 @@ 
	};

};



&i2c0 {

	hpm2: usb-pd@3b {

		compatible = "apple,cd321x";

		reg = <0x3b>;

		interrupt-parent = <&pinctrl_ap>;

		interrupts = <106 IRQ_TYPE_LEVEL_LOW>;

		interrupt-names = "irq";

	};



	hpm3: usb-pd@3c {

		compatible = "apple,cd321x";

		reg = <0x3c>;

		interrupt-parent = <&pinctrl_ap>;

		interrupts = <106 IRQ_TYPE_LEVEL_LOW>;

		interrupt-names = "irq";

	};

};



/*

 * Force the bus number assignments so that we can declare some of the

 * on-board devices and properties that are populated by the bootloader

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

+18 −0
Original line number Diff line number Diff line
@@ -39,6 +39,24 @@ 
	status = "okay";

};



&i2c0 {

	hpm0: usb-pd@38 {

		compatible = "apple,cd321x";

		reg = <0x38>;

		interrupt-parent = <&pinctrl_ap>;

		interrupts = <106 IRQ_TYPE_LEVEL_LOW>;

		interrupt-names = "irq";

	};



	hpm1: usb-pd@3f {

		compatible = "apple,cd321x";

		reg = <0x3f>;

		interrupt-parent = <&pinctrl_ap>;

		interrupts = <106 IRQ_TYPE_LEVEL_LOW>;

		interrupt-names = "irq";

	};

};



/*

 * Force the bus number assignments so that we can declare some of the

 * on-board devices and properties that are populated by the bootloader