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Message-ID: <80bc264c-7d30-574a-7b80-6cf9d40f255f@mediatek.com>
Date:   Thu, 24 Nov 2022 11:45:39 +0800
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Subject: Re: [PATCH v4] arm64: dts: mt8195: Add Ethernet controller
Content-Language: en-US
To:     Biao Huang <biao.huang@mediatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>
CC:     <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        Miles Chen <miles.chen@mediatek.com>,
        Pablo Sun <pablo.sun@mediatek.com>,
        Bear Wang <bear.wang@mediatek.com>
References: <20221020085203.1974-1-biao.huang@mediatek.com>
 <20221020085203.1974-2-biao.huang@mediatek.com>
From:   Macpaul Lin <macpaul.lin@mediatek.com>
In-Reply-To: <20221020085203.1974-2-biao.huang@mediatek.com>
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Precedence: bulk


On 10/20/22 16:52, Biao Huang wrote:
> Add Ethernet controller node for mt8195.
> 
> Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Dear Matthias,

Biao also found this patch for ethernet node seems missing in 6.2 dts 
pull-request.

Just a remind for this patch.
Please help to review this patch if you have time.
Thanks!

> ---
>   arch/arm64/boot/dts/mediatek/mt8195-demo.dts | 88 ++++++++++++++++++++
>   arch/arm64/boot/dts/mediatek/mt8195.dtsi     | 86 +++++++++++++++++++
>   2 files changed, 174 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> index 4fbd99eb496a..0e8496d837ef 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> @@ -258,6 +258,72 @@ &mt6359_vsram_others_ldo_reg {
>   };
>   
>   &pio {
> +	eth_default_pins: eth-default-pins {
> +		pins-txd {
> +			pinmux = <PINMUX_GPIO77__FUNC_GBE_TXD3>,
> +				 <PINMUX_GPIO78__FUNC_GBE_TXD2>,
> +				 <PINMUX_GPIO79__FUNC_GBE_TXD1>,
> +				 <PINMUX_GPIO80__FUNC_GBE_TXD0>;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +		};
> +		pins-cc {
> +			pinmux = <PINMUX_GPIO85__FUNC_GBE_TXC>,
> +				 <PINMUX_GPIO88__FUNC_GBE_TXEN>,
> +				 <PINMUX_GPIO87__FUNC_GBE_RXDV>,
> +				 <PINMUX_GPIO86__FUNC_GBE_RXC>;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +		};
> +		pins-rxd {
> +			pinmux = <PINMUX_GPIO81__FUNC_GBE_RXD3>,
> +				 <PINMUX_GPIO82__FUNC_GBE_RXD2>,
> +				 <PINMUX_GPIO83__FUNC_GBE_RXD1>,
> +				 <PINMUX_GPIO84__FUNC_GBE_RXD0>;
> +		};
> +		pins-mdio {
> +			pinmux = <PINMUX_GPIO89__FUNC_GBE_MDC>,
> +				 <PINMUX_GPIO90__FUNC_GBE_MDIO>;
> +			input-enable;
> +		};
> +		pins-power {
> +			pinmux = <PINMUX_GPIO91__FUNC_GPIO91>,
> +				 <PINMUX_GPIO92__FUNC_GPIO92>;
> +			output-high;
> +		};
> +	};
> +
> +	eth_sleep_pins: eth-sleep-pins {
> +		pins-txd {
> +			pinmux = <PINMUX_GPIO77__FUNC_GPIO77>,
> +				 <PINMUX_GPIO78__FUNC_GPIO78>,
> +				 <PINMUX_GPIO79__FUNC_GPIO79>,
> +				 <PINMUX_GPIO80__FUNC_GPIO80>;
> +		};
> +		pins-cc {
> +			pinmux = <PINMUX_GPIO85__FUNC_GPIO85>,
> +				 <PINMUX_GPIO88__FUNC_GPIO88>,
> +				 <PINMUX_GPIO87__FUNC_GPIO87>,
> +				 <PINMUX_GPIO86__FUNC_GPIO86>;
> +		};
> +		pins-rxd {
> +			pinmux = <PINMUX_GPIO81__FUNC_GPIO81>,
> +				 <PINMUX_GPIO82__FUNC_GPIO82>,
> +				 <PINMUX_GPIO83__FUNC_GPIO83>,
> +				 <PINMUX_GPIO84__FUNC_GPIO84>;
> +		};
> +		pins-mdio {
> +			pinmux = <PINMUX_GPIO89__FUNC_GPIO89>,
> +				 <PINMUX_GPIO90__FUNC_GPIO90>;
> +			input-disable;
> +			bias-disable;
> +		};
> +		pins-power {
> +			pinmux = <PINMUX_GPIO91__FUNC_GPIO91>,
> +				 <PINMUX_GPIO92__FUNC_GPIO92>;
> +			input-disable;
> +			bias-disable;
> +		};
> +	};
> +
>   	gpio_keys_pins: gpio-keys-pins {
>   		pins {
>   			pinmux = <PINMUX_GPIO106__FUNC_GPIO106>;
> @@ -434,6 +500,28 @@ &xhci0 {
>   	status = "okay";
>   };
>   
> +&eth {
> +	phy-mode ="rgmii-rxid";
> +	phy-handle = <&ethernet_phy0>;
> +	snps,reset-gpio = <&pio 93 GPIO_ACTIVE_HIGH>;
> +	snps,reset-delays-us = <0 10000 10000>;
> +	mediatek,tx-delay-ps = <2030>;
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&eth_default_pins>;
> +	pinctrl-1 = <&eth_sleep_pins>;
> +	status = "okay";
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		ethernet_phy0: ethernet-phy@1 {
> +			compatible = "ethernet-phy-id001c.c916";
> +			reg = <0x1>;
> +		};
> +	};
> +};
> +
>   &xhci1 {
>   	vusb33-supply = <&mt6359_vusb_ldo_reg>;
>   	status = "okay";
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index 905d1a90b406..0639ad9d261c 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -1042,6 +1042,92 @@ spis1: spi@1101e000 {
>   			status = "disabled";
>   		};
>   
> +		eth: ethernet@11021000 {
> +			compatible = "mediatek,mt8195-gmac", "snps,dwmac-5.10a";
> +			reg = <0 0x11021000 0 0x4000>;
> +			interrupts = <GIC_SPI 716 IRQ_TYPE_LEVEL_HIGH 0>;
> +			interrupt-names = "macirq";
> +			clock-names = "axi",
> +				      "apb",
> +				      "mac_cg",
> +				      "mac_main",
> +				      "ptp_ref",
> +				      "rmii_internal";
> +			clocks = <&pericfg_ao CLK_PERI_AO_ETHERNET>,
> +				 <&pericfg_ao CLK_PERI_AO_ETHERNET_BUS>,
> +				 <&pericfg_ao CLK_PERI_AO_ETHERNET_MAC>,
> +				 <&topckgen CLK_TOP_SNPS_ETH_250M>,
> +				 <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>,
> +				 <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>;
> +			assigned-clocks = <&topckgen CLK_TOP_SNPS_ETH_250M>,
> +					  <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>,
> +					  <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>;
> +			assigned-clock-parents = <&topckgen CLK_TOP_ETHPLL_D2>,
> +						 <&topckgen CLK_TOP_ETHPLL_D8>,
> +						 <&topckgen CLK_TOP_ETHPLL_D10>;
> +			power-domains = <&spm MT8195_POWER_DOMAIN_ETHER>;
> +			mediatek,pericfg = <&infracfg_ao>;
> +			snps,axi-config = <&stmmac_axi_setup>;
> +			snps,mtl-rx-config = <&mtl_rx_setup>;
> +			snps,mtl-tx-config = <&mtl_tx_setup>;
> +			snps,txpbl = <16>;
> +			snps,rxpbl = <16>;
> +			snps,clk-csr = <0>;
> +			status = "disabled";
> +
> +			stmmac_axi_setup: stmmac-axi-config {
> +				snps,wr_osr_lmt = <0x7>;
> +				snps,rd_osr_lmt = <0x7>;
> +				snps,blen = <0 0 0 0 16 8 4>;
> +			};
> +
> +			mtl_rx_setup: rx-queues-config {
> +				snps,rx-queues-to-use = <4>;
> +				snps,rx-sched-sp;
> +				queue0 {
> +					snps,dcb-algorithm;
> +					snps,map-to-dma-channel = <0x0>;
> +				};
> +				queue1 {
> +					snps,dcb-algorithm;
> +					snps,map-to-dma-channel = <0x0>;
> +				};
> +				queue2 {
> +					snps,dcb-algorithm;
> +					snps,map-to-dma-channel = <0x0>;
> +				};
> +				queue3 {
> +					snps,dcb-algorithm;
> +					snps,map-to-dma-channel = <0x0>;
> +				};
> +			};
> +
> +			mtl_tx_setup: tx-queues-config {
> +				snps,tx-queues-to-use = <4>;
> +				snps,tx-sched-wrr;
> +				queue0 {
> +					snps,weight = <0x10>;
> +					snps,dcb-algorithm;
> +					snps,priority = <0x0>;
> +				};
> +				queue1 {
> +					snps,weight = <0x11>;
> +					snps,dcb-algorithm;
> +					snps,priority = <0x1>;
> +				};
> +				queue2 {
> +					snps,weight = <0x12>;
> +					snps,dcb-algorithm;
> +					snps,priority = <0x2>;
> +				};
> +				queue3 {
> +					snps,weight = <0x13>;
> +					snps,dcb-algorithm;
> +					snps,priority = <0x3>;
> +				};
> +			};
> +		};
> +
>   		xhci0: usb@11200000 {
>   			compatible = "mediatek,mt8195-xhci",
>   				     "mediatek,mtk-xhci";

Regards,
Macpaul Lin