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Date: Sat, 4 Mar 2023 23:57:18 +0100
From: Emil Renner Berthing <emil.renner.berthing@...onical.com>
To: Samin Guo <samin.guo@...rfivetech.com>
Cc: linux-riscv@...ts.infradead.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Richard Cochran <richardcochran@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Peter Geis <pgwipeout@...il.com>,
Yanhong Wang <yanhong.wang@...rfivetech.com>
Subject: Re: [PATCH v5 05/12] riscv: dts: starfive: jh7110: Add ethernet
device nodes
On Fri, 3 Mar 2023 at 10:01, Samin Guo <samin.guo@...rfivetech.com> wrote:
>
> Add JH7110 ethernet device node to support gmac driver for the JH7110
> RISC-V SoC.
>
> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
> Signed-off-by: Samin Guo <samin.guo@...rfivetech.com>
> ---
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 91 ++++++++++++++++++++++++
> 1 file changed, 91 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 09806418ed1b..2ce28292b721 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -233,6 +233,13 @@
> #clock-cells = <0>;
> };
>
> + stmmac_axi_setup: stmmac-axi-config {
> + snps,lpi_en;
> + snps,wr_osr_lmt = <4>;
> + snps,rd_osr_lmt = <4>;
> + snps,blen = <256 128 64 32 0 0 0>;
> + };
> +
> tdm_ext: tdm-ext-clock {
> compatible = "fixed-clock";
> clock-output-names = "tdm_ext";
> @@ -518,5 +525,89 @@
> gpio-controller;
> #gpio-cells = <2>;
> };
> +
> + gmac0: ethernet@...30000 {
> + compatible = "starfive,jh7110-dwmac", "snps,dwmac-5.20";
> + reg = <0x0 0x16030000 0x0 0x10000>;
> + clocks = <&aoncrg JH7110_AONCLK_GMAC0_AXI>,
> + <&aoncrg JH7110_AONCLK_GMAC0_AHB>,
> + <&syscrg JH7110_SYSCLK_GMAC0_PTP>,
> + <&aoncrg JH7110_AONCLK_GMAC0_TX_INV>,
> + <&syscrg JH7110_SYSCLK_GMAC0_GTXC>;
> + clock-names = "stmmaceth", "pclk", "ptp_ref",
> + "tx", "gtx";
> + resets = <&aoncrg JH7110_AONRST_GMAC0_AXI>,
> + <&aoncrg JH7110_AONRST_GMAC0_AHB>;
> + reset-names = "stmmaceth", "ahb";
> + interrupts = <7>, <6>, <5>;
> + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
> + phy-mode = "rgmii-id";
> + snps,multicast-filter-bins = <64>;
> + snps,perfect-filter-entries = <8>;
> + rx-fifo-depth = <2048>;
> + tx-fifo-depth = <2048>;
> + snps,fixed-burst;
> + snps,no-pbl-x8;
> + snps,force_thresh_dma_mode;
> + snps,axi-config = <&stmmac_axi_setup>;
> + snps,tso;
> + snps,en-tx-lpi-clockgating;
> + snps,txpbl = <16>;
> + snps,rxpbl = <16>;
> + status = "disabled";
> + phy-handle = <&phy0>;
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "snps,dwmac-mdio";
> +
> + phy0: ethernet-phy@0 {
> + reg = <0>;
> + };
> + };
> + };
> +
> + gmac1: ethernet@...40000 {
> + compatible = "starfive,jh7110-dwmac", "snps,dwmac-5.20";
> + reg = <0x0 0x16040000 0x0 0x10000>;
> + clocks = <&syscrg JH7110_SYSCLK_GMAC1_AXI>,
> + <&syscrg JH7110_SYSCLK_GMAC1_AHB>,
> + <&syscrg JH7110_SYSCLK_GMAC1_PTP>,
> + <&syscrg JH7110_SYSCLK_GMAC1_TX_INV>,
> + <&syscrg JH7110_SYSCLK_GMAC1_GTXC>;
> + clock-names = "stmmaceth", "pclk", "ptp_ref",
> + "tx", "gtx";
> + resets = <&syscrg JH7110_SYSRST_GMAC1_AXI>,
> + <&syscrg JH7110_SYSRST_GMAC1_AHB>;
> + reset-names = "stmmaceth", "ahb";
> + interrupts = <78>, <77>, <76>;
> + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
> + phy-mode = "rgmii-id";
> + snps,multicast-filter-bins = <64>;
> + snps,perfect-filter-entries = <8>;
> + rx-fifo-depth = <2048>;
> + tx-fifo-depth = <2048>;
> + snps,fixed-burst;
> + snps,no-pbl-x8;
> + snps,force_thresh_dma_mode;
> + snps,axi-config = <&stmmac_axi_setup>;
> + snps,tso;
> + snps,en-tx-lpi-clockgating;
> + snps,txpbl = <16>;
> + snps,rxpbl = <16>;
> + status = "disabled";
> + phy-handle = <&phy1>;
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "snps,dwmac-mdio";
> +
> + phy1: ethernet-phy@1 {
> + reg = <0>;
I'm getting errors on eth1 unless this is set to <1>. In any case the
number after @ in the node name should match the reg value.
> + };
> + };
> + };
> };
> };
> --
> 2.17.1
>
>
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> linux-riscv@...ts.infradead.org
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