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From:   Biao Huang <biao.huang@mediatek.com>
To:     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>,
        Biao Huang <biao.huang@mediatek.com>,
        <macpaul.lin@mediatek.com>
Subject: [PATCH v3] arm64: dts: mt8195: Add Ethernet controller
Date:   Thu, 20 Oct 2022 10:41:55 +0800
Message-ID: <20221020024155.24520-2-biao.huang@mediatek.com>
In-Reply-To: <20221020024155.24520-1-biao.huang@mediatek.com>
References: <20221020024155.24520-1-biao.huang@mediatek.com>
MIME-Version: 1.0
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Precedence: bulk

Add Ethernet controller node for mt8195.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8195-demo.dts | 88 ++++++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt8195.dtsi     | 88 ++++++++++++++++++++
 2 files changed, 176 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..7efaf92c5ff3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -1042,6 +1042,94 @@ 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>;
+			#address-cells = <0>;
+			#size-cells = <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";
-- 
2.25.1