[][kernel][mt7981][eth][Add DTS for the SFP]

[Description]
Add DTS for the SFP.

Without this patch, the ETH driver is unable to bring up the SFP
modules.

[Release-log]
N/A


Change-Id: Icfa56dd09e5c5642022d985186de8f44b639b15c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8861262
diff --git a/21.02/files/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-sfp.dts b/21.02/files/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-sfp.dts
new file mode 100644
index 0000000..e0c1165
--- /dev/null
+++ b/21.02/files/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-sfp.dts
@@ -0,0 +1,319 @@
+/dts-v1/;
+#include "mt7981.dtsi"
+/ {
+	model = "MediaTek MT7981 RFB";
+	compatible = "mediatek,mt7981-spim-snand-sfp";
+	chosen {
+		bootargs = "console=ttyS0,115200n1 loglevel=8  \
+			    earlycon=uart8250,mmio32,0x11002000";
+	};
+
+	memory {
+		// fpga ddr2: 128MB*2
+		reg = <0 0x40000000 0 0x10000000>;
+	};
+
+	gpio-keys {
+			compatible = "gpio-keys";
+				reset {
+					label = "reset";
+					linux,code = <KEY_RESTART>;
+					gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+				};
+
+				wps {
+					label = "wps";
+					linux,code = <KEY_WPS_BUTTON>;
+					gpios = <&pio 0 GPIO_ACTIVE_HIGH>;
+				};
+	};
+
+	nmbm_spim_nand {
+		compatible = "generic,nmbm";
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		lower-mtd-device = <&spi_nand>;
+		forced-create;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "BL2";
+				reg = <0x00000 0x0100000>;
+				read-only;
+			};
+
+			partition@100000 {
+				label = "u-boot-env";
+				reg = <0x0100000 0x0080000>;
+			};
+
+			factory: partition@180000 {
+				label = "Factory";
+				reg = <0x180000 0x0200000>;
+			};
+
+			partition@380000 {
+				label = "FIP";
+				reg = <0x380000 0x0200000>;
+			};
+
+			partition@580000 {
+				label = "ubi";
+				reg = <0x580000 0x4000000>;
+			};
+		};
+	};
+
+	sfp_cage1: sfp@1 {
+		compatible = "sff,sfp";
+		i2c-bus = <&i2c0>;
+		mod-def0-gpios = <&pio 25 1>;
+		los-gpios = <&pio 28 0>;
+		tx-disable-gpios = <&pio 27 0>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c_pins>;
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+
+	gmac0: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+			pause;
+		};
+	};
+
+	gmac1: mac@1 {
+		compatible = "mediatek,eth-mac";
+		reg = <1>;
+		phy-mode = "2500base-x";
+		managed = "in-band-status";
+		sfp = <&sfp_cage1>;
+	};
+
+	mdio: mdio-bus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reset-gpios = <&pio 14 1>;
+		reset-delay-us = <600>;
+
+		switch@0 {
+			compatible = "mediatek,mt7531";
+			reg = <31>;
+			reset-gpios = <&pio 39 0>;
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					label = "lan1";
+				};
+
+				port@1 {
+					reg = <1>;
+					label = "lan2";
+				};
+
+				port@2 {
+					reg = <2>;
+					label = "lan3";
+				};
+
+				port@3 {
+					reg = <3>;
+					label = "lan4";
+				};
+
+				port@6 {
+					reg = <6>;
+					label = "cpu";
+					ethernet = <&gmac0>;
+					phy-mode = "2500base-x";
+
+					fixed-link {
+						speed = <2500>;
+						full-duplex;
+						pause;
+					};
+				};
+			};
+		};
+	};
+};
+
+&hnat {
+	mtketh-wan = "eth1";
+	mtketh-lan = "lan";
+	mtketh-max-gmac = <2>;
+	status = "okay";
+};
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_flash_pins>;
+	status = "okay";
+	spi_nand: spi_nand@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-nand";
+		spi-cal-enable;
+		spi-cal-mode = "read-data";
+		spi-cal-datalen = <7>;
+		spi-cal-data = /bits/ 8 <0x53 0x50 0x49 0x4E 0x41 0x4E 0x44>;
+		spi-cal-addrlen = <5>;
+		spi-cal-addr = /bits/ 32 <0x0 0x0 0x0 0x0 0x0>;
+		reg = <0>;
+		spi-max-frequency = <52000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spic_pins>;
+	status = "disabled";
+
+	slb9670: slb9670@0 {
+		compatible = "infineon,slb9670";
+		reg = <0>; /* CE0 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		spi-cal-enable;
+		spi-cal-mode = "read-data";
+		spi-cal-datalen = <2>;
+		spi-cal-data = /bits/ 8 <0x00 0x1b>;
+		spi-max-frequency = <20000000>;
+	};
+};
+
+&wbsys {
+	mediatek,mtd-eeprom = <&factory 0x0000>;
+	status = "okay";
+	pinctrl-names = "dbdc";
+	pinctrl-0 = <&wf_dbdc_pins>;
+};
+
+&pio {
+
+	i2c_pins: i2c-pins-g1 {
+		mux {
+			function = "i2c";
+			groups = "i2c0_1";
+		};
+	};
+
+	pcm_pins: pcm-pins-g0 {
+		mux {
+			function = "pcm";
+			groups = "pcm";
+		};
+	};
+
+	pwm0_pin: pwm0-pin-g0 {
+		mux {
+			function = "pwm";
+			groups = "pwm0_0";
+		};
+	};
+
+	pwm1_pin: pwm1-pin-g0 {
+		mux {
+			function = "pwm";
+			groups = "pwm1_0";
+		};
+	};
+
+	pwm2_pin: pwm2-pin {
+		mux {
+			function = "pwm";
+			groups = "pwm2";
+		};
+	};
+
+	spi0_flash_pins: spi0-pins {
+		mux {
+			function = "spi";
+			groups = "spi0", "spi0_wp_hold";
+		};
+
+		conf-pu {
+			pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
+			drive-strength = <MTK_DRIVE_8mA>;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
+		};
+
+		conf-pd {
+			pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
+			drive-strength = <MTK_DRIVE_8mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
+		};
+	};
+
+	spic_pins: spi1-pins {
+		mux {
+			function = "spi";
+			groups = "spi1_1";
+		};
+	};
+
+	uart1_pins: uart1-pins-g1 {
+		mux {
+			function = "uart";
+			groups = "uart1_1";
+		};
+	};
+
+	uart2_pins: uart2-pins-g1 {
+		mux {
+			function = "uart";
+			groups = "uart2_1";
+		};
+	};
+
+	wf_dbdc_pins: wf_dbdc-pins {
+		mux {
+			function = "eth";
+			groups = "wf0_mode1";
+		};
+		conf {
+			pins = "WF_HB1", "WF_HB2", "WF_HB3", "WF_HB4",
+			       "WF_HB0", "WF_HB0_B", "WF_HB5", "WF_HB6",
+			       "WF_HB7", "WF_HB8", "WF_HB9", "WF_HB10",
+			       "WF_TOP_CLK", "WF_TOP_DATA", "WF_XO_REQ",
+			       "WF_CBA_RESETB", "WF_DIG_RESETB";
+			drive-strength = <MTK_DRIVE_4mA>;
+		};
+	};
+};
+
+&xhci {
+	status = "okay";
+};
diff --git a/21.02/files/target/linux/mediatek/image/mt7981.mk b/21.02/files/target/linux/mediatek/image/mt7981.mk
index eb745b6..788619d 100755
--- a/21.02/files/target/linux/mediatek/image/mt7981.mk
+++ b/21.02/files/target/linux/mediatek/image/mt7981.mk
@@ -77,6 +77,23 @@
 endef
 TARGET_DEVICES += mt7981-spim-nand-rfb
 
+define Device/mt7981-spim-nand-sfp
+  DEVICE_VENDOR := MediaTek
+  DEVICE_MODEL := mt7981-spim-nand-sfp
+  DEVICE_DTS := mt7981-spim-nand-sfp
+  DEVICE_DTS_DIR := $(DTS_DIR)/mediatek
+  SUPPORTED_DEVICES := mediatek,mt7981-rfb,ubi
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 65536k
+  KERNEL_IN_UBI := 1
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += mt7981-spim-nand-sfp
+
 define Device/mt7981-spim-nand-gsw
   DEVICE_VENDOR := MediaTek
   DEVICE_MODEL := mt7981-spim-nand-gsw