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arm64: dts: apple: t8103: Add cd321x nodes

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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: Janne Grunau <j@jannau.net>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Tested-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Janne Grunau 2021-11-23 23:49:25 +01:00 committed by Hector Martin
parent 90458f6eec
commit c03edf1c0f
2 changed files with 36 additions and 0 deletions
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18
arch/arm64/boot/dts/apple/t8103-j456.dts
View file

@ -21,6 +21,24 @@ aliases {
};
};
&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

18
arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
View file

@ -39,6 +39,24 @@ &serial0 {
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