linux-kernel - Re: [PATCH 2/2] arm64: dts: ti: k3-am64-main: Enable crypto accelerator

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Message-ID: <20220708220816.rwyr54ahzjvh7ad5@awhile>
Date:   Fri, 8 Jul 2022 17:08:16 -0500
From:   Nishanth Menon <nm@...com>
To:     Jayesh Choudhary <j-choudhary@...com>
CC:     <vigneshr@...com>, <devicetree@...r.kernel.org>,
        <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-am64-main: Enable crypto
 accelerator

On 16:57-20220708, Jayesh Choudhary wrote:
> From: Peter Ujfalusi <peter.ujfalusi@...com>
> 
> Add the node for SA2UL.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> [s-anna@...com: drop label, minor cleanups]
> Signed-off-by: Suman Anna <s-anna@...com>
> [j-choudhary@...com: drop rng-node, change flag to shared]


See thread: https://lore.kernel.org/all/1d6d171f-3c91-530a-27a5-c93153cb2378@ti.com/

lets be consistent as to having the RNG node with disable and logic for
doing the same.

> Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> index ada00575f0f2..dd2848cd0740 100644
> --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> @@ -1308,4 +1308,16 @@
>  		interrupt-names = "int0", "int1";
>  		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
>  	};
> +
> +	crypto: crypto@...00000 {
> +		compatible = "ti,am64-sa2ul";
> +		reg = <0x00 0x40900000 0x00 0x1200>;
> +		power-domains = <&k3_pds 133 TI_SCI_PD_SHARED>;
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges = <0x00 0x40900000 0x00 0x40900000 0x00 0x30000>;
> +		dmas = <&main_pktdma 0xc001 0>, <&main_pktdma 0x4002 0>,
> +		       <&main_pktdma 0x4003 0>;
> +		dma-names = "tx", "rx1", "rx2";
> +	};
>  };
> -- 
> 2.17.1
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D