linux-kernel - Re: [PATCH v8 03/11] arm64: dts: ti: k3-am62a-mcu: Add R5F remote proc node

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Message-ID: <e996f88c-0e43-4935-89d4-46ebe07d6442@phytec.de>
Date: Tue, 6 May 2025 13:20:37 +0200
From: Daniel Schultz <d.schultz@...tec.de>
To: Judith Mendez <jm@...com>, Nishanth Menon <nm@...com>,
 Vignesh Raghavendra <vigneshr@...com>
Cc: Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Hari Nagalla <hnagalla@...com>,
 Beleswar Padhi <b-padhi@...com>, Markus Schneider-Pargmann
 <msp@...libre.com>, Andrew Davis <afd@...com>,
 Devarsh Thakkar <devarsht@...com>, linux-arm-kernel@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 03/11] arm64: dts: ti: k3-am62a-mcu: Add R5F remote
 proc node


On 5/3/25 00:03, Judith Mendez wrote:
> From: Hari Nagalla <hnagalla@...com>
>
> AM62A SoCs have a single R5F core in the MCU voltage domain.
> Add the R5FSS node with the child node for core0 in MCU voltage
> domain .dtsi file.
>
> Signed-off-by: Hari Nagalla <hnagalla@...com>
> Signed-off-by: Judith Mendez <jm@...com>
> Acked-by: Andrew Davis <afd@...com>
Tested-by: Daniel Schultz <d.schultz@...tec.de>
> ---
>   arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 25 ++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
> index 9ed9d703ff24..ee961ced7208 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
> @@ -174,4 +174,29 @@ mcu_mcan1: can@...8000 {
>   		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
>   		status = "disabled";
>   	};
> +
> +	mcu_r5fss0: r5fss@...00000 {
> +		compatible = "ti,am62-r5fss";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x79000000 0x00 0x79000000 0x8000>,
> +			 <0x79020000 0x00 0x79020000 0x8000>;
> +		power-domains = <&k3_pds 7 TI_SCI_PD_EXCLUSIVE>;
> +		status = "disabled";
> +
> +		mcu_r5fss0_core0: r5f@...00000 {
> +			compatible = "ti,am62-r5f";
> +			reg = <0x79000000 0x00008000>,
> +			      <0x79020000 0x00008000>;
> +			reg-names = "atcm", "btcm";
> +			resets = <&k3_reset 9 1>;
> +			firmware-name = "am62a-mcu-r5f0_0-fw";
> +			ti,atcm-enable = <0>;
> +			ti,btcm-enable = <1>;
> +			ti,loczrama = <0>;
> +			ti,sci = <&dmsc>;
> +			ti,sci-dev-id = <9>;
> +			ti,sci-proc-ids = <0x03 0xff>;
> +		};
> +	};
>   };