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Message-ID: <87e215a7-0b27-4336-9f9c-e63ade0772ef@lunn.ch>
Date: Mon, 28 Oct 2024 14:09:06 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Inochi Amaoto <inochiama@...il.com>
Cc: Chen Wang <unicorn_wang@...look.com>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Inochi Amaoto <inochiama@...look.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Richard Cochran <richardcochran@...il.com>,
Jisheng Zhang <jszhang@...nel.org>,
Thomas Bonnefille <thomas.bonnefille@...tlin.com>,
Liu Gui <kenneth.liu@...hgo.com>, Yixun Lan <dlan@...too.org>,
Longbin Li <looong.bin@...il.com>, devicetree@...r.kernel.org,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org
Subject: Re: [PATCH] riscv: dts: sophgo: Add ethernet configuration for cv18xx
> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> @@ -210,6 +210,55 @@ i2c4: i2c@...0000 {
> status = "disabled";
> };
>
> + gmac0: ethernet@...0000 {
> + compatible = "snps,dwmac-3.70a";
> + reg = <0x04070000 0x10000>;
> + clocks = <&clk CLK_AXI4_ETH0>, <&clk CLK_ETH0_500M>;
> + clock-names = "stmmaceth", "ptp_ref";
> + interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "macirq";
> + phy-handle = <&phy0>;
> + phy-mode = "rmii";
> + rx-fifo-depth = <8192>;
> + tx-fifo-depth = <8192>;
> + snps,multicast-filter-bins = <0>;
> + snps,perfect-filter-entries = <1>;
> + snps,aal;
> + snps,txpbl = <8>;
> + snps,rxpbl = <8>;
> + snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
> + snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
> + snps,axi-config = <&gmac0_stmmac_axi_setup>;
> + status = "disabled";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + phy0: phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + };
> + };
It is not clear to me what cv18xx.dtsi represents, and where the PHY
node should be, here, or in a .dts file. Is this a SOM, and the PHY is
on the SOM?
Andrew
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