linux-kernel - Re: [PATCH v4 9/9] arm64: dts: apple: t600x: Add SMC node

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Message-ID: <aB3_jnRXu4wKdD4o@blossom>
Date: Fri, 9 May 2025 09:13:50 -0400
From: Alyssa Rosenzweig <alyssa@...enzweig.io>
To: sven@...npeter.dev
Cc: Janne Grunau <j@...nau.net>, Neal Gompa <neal@...pa.dev>,
	Hector Martin <marcan@...can.st>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sebastian Reichel <sre@...nel.org>, Lee Jones <lee@...nel.org>,
	Marc Zyngier <maz@...nel.org>,
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
	asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 9/9] arm64: dts: apple: t600x: Add SMC node

Reviewed-by: Alyssa Rosenzweig <alyssa@...enzweig.io>

Le Sat , May 03, 2025 at 10:06:56AM +0000, Sven Peter via B4 Relay a écrit :
> From: Hector Martin <marcan@...can.st>
> 
> Signed-off-by: Hector Martin <marcan@...can.st>
> Signed-off-by: Sven Peter <sven@...npeter.dev>
> ---
>  arch/arm64/boot/dts/apple/t600x-die0.dtsi | 35 +++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
> index 110bc6719512e334e04b496fb157cb4368679957..4993a8ace87b2fc7e645b08c19fcd9b0c21896aa 100644
> --- a/arch/arm64/boot/dts/apple/t600x-die0.dtsi
> +++ b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
> @@ -24,6 +24,41 @@ aic: interrupt-controller@...100000 {
>  		power-domains = <&ps_aic>;
>  	};
>  
> +	smc: smc@...400000 {
> +		compatible = "apple,t6000-smc", "apple,smc";
> +		reg = <0x2 0x90400000 0x0 0x4000>,
> +			<0x2 0x91e00000 0x0 0x100000>;
> +		reg-names = "smc", "sram";
> +		mboxes = <&smc_mbox>;
> +
> +		smc_gpio: gpio {
> +			compatible = "apple,smc-gpio";
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +		};
> +
> +		smc_reboot: reboot {
> +			compatible = "apple,smc-reboot";
> +			nvmem-cells = <&shutdown_flag>, <&boot_stage>,
> +				<&boot_error_count>, <&panic_count>, <&pm_setting>;
> +			nvmem-cell-names = "shutdown_flag", "boot_stage",
> +				"boot_error_count", "panic_count", "pm_setting";
> +		};
> +	};
> +
> +	smc_mbox: mbox@...408000 {
> +		compatible = "apple,t6000-asc-mailbox", "apple,asc-mailbox-v4";
> +		reg = <0x2 0x90408000 0x0 0x4000>;
> +		interrupt-parent = <&aic>;
> +		interrupts = <AIC_IRQ 0 754 IRQ_TYPE_LEVEL_HIGH>,
> +			<AIC_IRQ 0 755 IRQ_TYPE_LEVEL_HIGH>,
> +			<AIC_IRQ 0 756 IRQ_TYPE_LEVEL_HIGH>,
> +			<AIC_IRQ 0 757 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "send-empty", "send-not-empty",
> +			"recv-empty", "recv-not-empty";
> +		#mbox-cells = <0>;
> +	};
> +
>  	pinctrl_smc: pinctrl@...820000 {
>  		compatible = "apple,t6000-pinctrl", "apple,pinctrl";
>  		reg = <0x2 0x90820000 0x0 0x4000>;
> 
> -- 
> 2.34.1
> 
>