linux-kernel - Re: [PATCH v3 3/4] arm64: dts: ti: k3-j7200-mcu: add mcu cpsw nuss node

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Date:   Fri, 18 Sep 2020 10:54:24 -0500
From:   Suman Anna <s-anna@...com>
To:     Grygorii Strashko <grygorii.strashko@...com>,
        Tero Kristo <t-kristo@...com>,
        Rob Herring <robh+dt@...nel.org>, Nishanth Menon <nm@...com>
CC:     Peter Ujfalusi <peter.ujfalusi@...com>,
        Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: Re: [PATCH v3 3/4] arm64: dts: ti: k3-j7200-mcu: add mcu cpsw nuss
 node

On 9/18/20 10:38 AM, Grygorii Strashko wrote:
> Add DT node for The TI j7200 MCU SoC Gigabit Ethernet two ports Switch
> subsystem (MCU CPSW NUSS).

nit, %s/j7200/J7200/ on this patch and the next.

regards
Suman

> 
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
> Tested-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi      | 74 +++++++++++++++++++
>  1 file changed, 74 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> index 7ecdfdb46436..a994276a8b3d 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> @@ -34,6 +34,20 @@
>  		};
>  	};
>  
> +	mcu_conf: syscon@...00000 {
> +		compatible = "syscon", "simple-mfd";
> +		reg = <0x0 0x40f00000 0x0 0x20000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x40f00000 0x20000>;
> +
> +		phy_gmii_sel: phy@...0 {
> +			compatible = "ti,am654-phy-gmii-sel";
> +			reg = <0x4040 0x4>;
> +			#phy-cells = <1>;
> +		};
> +	};
> +
>  	chipid@...00014 {
>  		compatible = "ti,am654-chipid";
>  		reg = <0x00 0x43000014 0x00 0x4>;
> @@ -136,4 +150,64 @@
>  			ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
>  		};
>  	};
> +
> +	mcu_cpsw: ethernet@...00000 {
> +		compatible = "ti,j721e-cpsw-nuss";
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		reg = <0x0 0x46000000 0x0 0x200000>;
> +		reg-names = "cpsw_nuss";
> +		ranges = <0x0 0x0 0x0 0x46000000 0x0 0x200000>;
> +		dma-coherent;
> +		clocks = <&k3_clks 18 21>;
> +		clock-names = "fck";
> +		power-domains = <&k3_pds 18 TI_SCI_PD_EXCLUSIVE>;
> +
> +		dmas = <&mcu_udmap 0xf000>,
> +		       <&mcu_udmap 0xf001>,
> +		       <&mcu_udmap 0xf002>,
> +		       <&mcu_udmap 0xf003>,
> +		       <&mcu_udmap 0xf004>,
> +		       <&mcu_udmap 0xf005>,
> +		       <&mcu_udmap 0xf006>,
> +		       <&mcu_udmap 0xf007>,
> +		       <&mcu_udmap 0x7000>;
> +		dma-names = "tx0", "tx1", "tx2", "tx3",
> +			    "tx4", "tx5", "tx6", "tx7",
> +			    "rx";
> +
> +		ethernet-ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			cpsw_port1: port@1 {
> +				reg = <1>;
> +				ti,mac-only;
> +				label = "port1";
> +				ti,syscon-efuse = <&mcu_conf 0x200>;
> +				phys = <&phy_gmii_sel 1>;
> +			};
> +		};
> +
> +		davinci_mdio: mdio@f00 {
> +			compatible = "ti,cpsw-mdio","ti,davinci_mdio";
> +			reg = <0x0 0xf00 0x0 0x100>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			clocks = <&k3_clks 18 21>;
> +			clock-names = "fck";
> +			bus_freq = <1000000>;
> +		};
> +
> +		cpts@...00 {
> +			compatible = "ti,am65-cpts";
> +			reg = <0x0 0x3d000 0x0 0x400>;
> +			clocks = <&k3_clks 18 2>;
> +			clock-names = "cpts";
> +			interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "cpts";
> +			ti,cpts-ext-ts-inputs = <4>;
> +			ti,cpts-periodic-outputs = <2>;
> +		};
> +	};
>  };
>