linux-kernel - Re: [PATCH v3 4/4] arm64: dts: apple: t8103: Add cd321x nodes

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Date:   Fri, 26 Nov 2021 14:38:33 +0900
From:   Hector Martin <marcan@...can.st>
To:     Janne Grunau <j@...nau.net>, Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/4] arm64: dts: apple: t8103: Add cd321x nodes

On 23/11/2021 07.58, Janne Grunau wrote:
> 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@...nau.net>
> ---
>   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
> 

With sven's comments addressed,

Acked-by: Hector Martin <marcan@...can.st>

-- 
Hector Martin (marcan@...can.st)
Public Key: https://mrcn.st/pub