linux-kernel - Re: [PATCH v2 2/6] arm64: dts: ti: k3-j7200-main: Add SERDES lane control mux

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Message-ID: <20200908123013.jvim7rlokzvxdpse@akan>
Date:   Tue, 8 Sep 2020 07:30:13 -0500
From:   Nishanth Menon <nm@...com>
To:     Roger Quadros <rogerq@...com>
CC:     <t-kristo@...com>, <robh+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <nsekhar@...com>,
        <kishon@...com>
Subject: Re: [PATCH v2 2/6] arm64: dts: ti: k3-j7200-main: Add SERDES lane
 control mux

On 17:52-20200907, Roger Quadros wrote:
> The SERDES lane control mux registers are present in the
> CTRLMMR space.
> 
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> index 1702ac0bbf40..e72c7a0ccad5 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> @@ -18,6 +18,21 @@
>  		};
>  	};
>  
> +	scm_conf: scm-conf@...000 {
> +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> +		reg = <0 0x00100000 0 0x1c000>;

Just to stay consistent with j7200 stuff we are trying to keep clean:

reg = <0x00 0x00100000 0x00 0x1c000>;

> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x00100000 0x1c000>;

ranges = <0x00 0x00 0x00100000 0x1c000>;

> +
> +		serdes_ln_ctrl: serdes-ln-ctrl@...0 {
> +			compatible = "mmio-mux";
> +			#mux-control-cells = <1>;
> +			mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
> +					<0x4088 0x3>, <0x408c 0x3>; /* SERDES0 lane2/3 select */
> +		};
> +	};
> +
>  	gic500: interrupt-controller@...0000 {
>  		compatible = "arm,gic-v3";
>  		#address-cells = <2>;
> -- 
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> 

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