linux-kernel - Re: [PATCH v7 01/11] arm64: dts: ti: k3-am62: Add ATCM and BTCM cbass ranges

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Message-ID: <fe5583ca-d476-4e57-b412-3dd4fe4ff82c@ti.com>
Date: Tue, 15 Apr 2025 11:34:26 -0500
From: Andrew Davis <afd@...com>
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>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Hari Nagalla <hnagalla@...com>,
        Beleswar
 Prasad <b-padhi@...com>,
        Markus Schneider-Pargmann <msp@...libre.com>,
        Devarsh Thakkar <devarsht@...v0571a.ent.ti.com>
Subject: Re: [PATCH v7 01/11] arm64: dts: ti: k3-am62: Add ATCM and BTCM cbass
 ranges

On 4/15/25 10:31 AM, Judith Mendez wrote:
> Add cbass ranges for ATCM and BTCM on am62x device, without
> these, remoteproc driver fails to probe and attach to the DM
> r5 core and IPC communication is broken.
> 
> Signed-off-by: Judith Mendez <jm@...com>
> ---

Acked-by: Andrew Davis <afd@...com>

>   arch/arm64/boot/dts/ti/k3-am62.dtsi | 8 ++++++--
>   1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi
> index bfb55ca113239..59f6dff552ed4 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi
> @@ -86,7 +86,9 @@ cbass_main: bus@...00 {
>   			 /* Wakeup Domain Range */
>   			 <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */
>   			 <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>,
> -			 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;
> +			 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>,
> +			 <0x00 0x78000000 0x00 0x78000000 0x00 0x00008000>, /* DM R5 ATCM*/
> +			 <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/
>   
>   		cbass_mcu: bus@...0000 {
>   			bootph-all;
> @@ -103,7 +105,9 @@ cbass_wakeup: bus@...000 {
>   			#size-cells = <2>;
>   			ranges = <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */
>   				 <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */
> -				 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>;
> +				 <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>,
> +				 <0x00 0x78000000 0x00 0x78000000 0x00 0x00008000>, /* DM R5 ATCM*/
> +				 <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/
>   		};
>   	};
>