linux-kernel - Re: [PATCH 1/2] arm64: dts: imx95: add NETC related nodes

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Message-ID: <Z2MPPFZ9hETCXfVl@lizhi-Precision-Tower-5810>
Date: Wed, 18 Dec 2024 13:06:52 -0500
From: Frank Li <Frank.li@....com>
To: Wei Fang <wei.fang@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: imx95: add NETC related nodes

On Wed, Dec 18, 2024 at 02:17:24PM +0800, Wei Fang wrote:
> Add NETC related nodes for i.MX95.
>
> Signed-off-by: Wei Fang <wei.fang@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx95.dtsi | 93 ++++++++++++++++++++++++
>  1 file changed, 93 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index e9c7a8265d71..86f9fed9998c 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -1702,5 +1702,98 @@ ddr-pmu@...90dc0 {
>  			reg = <0x0 0x4e090dc0 0x0 0x200>;
>  			interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
>  		};
> +
> +		netc_blk_ctrl: system-controller@...e0000 {

keep order by hex address value.

4cde0000 should ahead ddr-pmu@...90dc0.

Frank

> +			compatible = "nxp,imx95-netc-blk-ctrl";
> +			reg = <0x0 0x4cde0000 0x0 0x10000>,
> +			      <0x0 0x4cdf0000 0x0 0x10000>,
> +			      <0x0 0x4c81000c 0x0 0x18>;
> +			reg-names = "ierb", "prb", "netcmix";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			power-domains = <&scmi_devpd IMX95_PD_NETC>;
> +			assigned-clocks = <&scmi_clk IMX95_CLK_ENET>,
> +					  <&scmi_clk IMX95_CLK_ENETREF>;
> +			assigned-clock-parents = <&scmi_clk IMX95_CLK_SYSPLL1_PFD2>,
> +						 <&scmi_clk IMX95_CLK_SYSPLL1_PFD0>;
> +			assigned-clock-rates = <666666666>, <250000000>;
> +			clocks = <&scmi_clk IMX95_CLK_ENET>;
> +			clock-names = "ipg";
> +			status = "disabled";
> +
> +			netc_bus0: pcie@...00000 {
> +				compatible = "pci-host-ecam-generic";
> +				reg = <0x0 0x4ca00000 0x0 0x100000>;
> +				#address-cells = <3>;
> +				#size-cells = <2>;
> +				device_type = "pci";
> +				bus-range = <0x0 0x0>;
> +				msi-map = <0x0 &its 0x60 0x1>,	//ENETC0 PF
> +					  <0x10 &its 0x61 0x1>, //ENETC0 VF0
> +					  <0x20 &its 0x62 0x1>, //ENETC0 VF1
> +					  <0x40 &its 0x63 0x1>, //ENETC1 PF
> +					  <0x80 &its 0x64 0x1>, //ENETC2 PF
> +					  <0x90 &its 0x65 0x1>, //ENETC2 VF0
> +					  <0xa0 &its 0x66 0x1>, //ENETC2 VF1
> +					  <0xc0 &its 0x67 0x1>; //NETC Timer
> +					 /* ENETC0~2 and Timer BAR0 - non-prefetchable memory */
> +				ranges = <0x82000000 0x0 0x4cc00000  0x0 0x4cc00000  0x0 0xe0000
> +					 /* Timer BAR2 - prefetchable memory */
> +					 0xc2000000 0x0 0x4cd00000  0x0 0x4cd00000  0x0 0x10000
> +					 /* ENETC0~2: VF0-1 BAR0 - non-prefetchable memory */
> +					 0x82000000 0x0 0x4cd20000  0x0 0x4cd20000  0x0 0x60000
> +					 /* ENETC0~2: VF0-1 BAR2 - prefetchable memory */
> +					 0xc2000000 0x0 0x4cd80000  0x0 0x4cd80000  0x0 0x60000>;
> +
> +				enetc_port0: ethernet@0,0 {
> +					compatible = "pci1131,e101";
> +					reg = <0x000000 0 0 0 0>;
> +					clocks = <&scmi_clk IMX95_CLK_ENETREF>;
> +					clock-names = "ref";
> +					status = "disabled";
> +				};
> +
> +				enetc_port1: ethernet@8,0 {
> +					compatible = "pci1131,e101";
> +					reg = <0x004000 0 0 0 0>;
> +					clocks = <&scmi_clk IMX95_CLK_ENETREF>;
> +					clock-names = "ref";
> +					status = "disabled";
> +				};
> +
> +				enetc_port2: ethernet@10,0 {
> +					compatible = "pci1131,e101";
> +					reg = <0x008000 0 0 0 0>;
> +					status = "disabled";
> +				};
> +
> +				netc_timer: ethernet@18,0 {
> +					reg = <0x00c000 0 0 0 0>;
> +					status = "disabled";
> +				};
> +			};
> +
> +			netc_bus1: pcie@...00000 {
> +				compatible = "pci-host-ecam-generic";
> +				reg = <0x0 0x4cb00000 0x0 0x100000>;
> +				#address-cells = <3>;
> +				#size-cells = <2>;
> +				device_type = "pci";
> +				bus-range = <0x1 0x1>;
> +					 /* EMDIO BAR0 - non-prefetchable memory */
> +				ranges = <0x82000000 0x0 0x4cce0000  0x0 0x4cce0000  0x0 0x20000
> +					 /* EMDIO BAR2 - prefetchable memory */
> +					 0xc2000000 0x0 0x4cd10000  0x0 0x4cd10000  0x0 0x10000>;
> +
> +				netc_emdio: mdio@0,0 {
> +					compatible = "pci1131,ee00";
> +					reg = <0x010000 0 0 0 0>;
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					status = "disabled";
> +				};
> +			};
> +		};
>  	};
>  };
> --
> 2.34.1
>