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 adresses configuration are for all devices equal. The iMac (24-inch, 2021) has a configuration with 2 additional USB-C ports (j456) using two addiotional cd321x controllers. Signed-off-by: Janne Grunau <j@xxxxxxxxxx> --- arch/arm64/boot/dts/apple/t8103-j456.dts | 18 ++++++++++++++++++ arch/arm64/boot/dts/apple/t8103-jxxx.dtsi | 18 ++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8103-j456.dts b/arch/arm64/boot/dts/apple/t8103-j456.dts index 7267e069355b..c6b8c28455f5 100644 --- a/arch/arm64/boot/dts/apple/t8103-j456.dts +++ b/arch/arm64/boot/dts/apple/t8103-j456.dts @@ -21,6 +21,24 @@ aliases { }; }; +&i2c0 { + hpm2: tps6598x@3b { + compatible = "apple,cd321x"; + reg = <0x3b>; + interrupt-parent = <&pinctrl_ap>; + interrupts = <106 IRQ_TYPE_LEVEL_LOW>; + interrupt-names = "irq"; + }; + + hpm3: tps6598x@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 diff --git a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi index 53d22b434d76..5f748f3f60d2 100644 --- a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi +++ b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi @@ -39,6 +39,24 @@ &serial0 { status = "okay"; }; +&i2c0 { + hpm0: tps6598x@38 { + compatible = "apple,cd321x"; + reg = <0x38>; + interrupt-parent = <&pinctrl_ap>; + interrupts = <106 IRQ_TYPE_LEVEL_LOW>; + interrupt-names = "irq"; + }; + + hpm1: tps6598x@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 -- 2.34.0