| // SPDX-License-Identifier: (GPL-2.0 OR MIT) |
| /* |
| * Device Tree file for Clearfog GTR machines rev 1.0 (88F6825) |
| * |
| * Rabeeh Khoury <rabeeh@solid-run.com>, based on Russell King clearfog work |
| */ |
| |
| /* |
| SERDES mapping - |
| 0. SATA1 on CON18, or optionally mini PCIe CON3 - PCIe0 |
| 1. 6141 switch (2.5Gbps capable) |
| 2. SATA0 on CON17, or optionally mini PCIe CON4 - PCIe1 |
| 3. USB 3.0 Host |
| 4. mini PCIe CON2 - PCIe2 |
| 5. SFP connector, or optionally SGMII Ethernet 1512 PHY |
| |
| USB 2.0 mapping - |
| 0. USB 2.0 - 0 USB pins header CON12 |
| 1. USB 2.0 - 1 mini PCIe CON2 |
| 2. USB 2.0 - 2 to USB 3.0 connector (used with SERDES #3) |
| |
| Pin mapping - |
| 0,1 - console UART |
| 2,3 - I2C0 - connected to I2C EEPROM, two temperature sensors, |
| front panel and PSE controller |
| 4,5 - MDC/MDIO |
| 6..17 - RGMII |
| 18 - Topaz switch reset (active low) |
| 19 - 1512 phy reset |
| 20 - 1512 phy reset (eth2, optional) |
| 21,28,37,38,39,40 - SD0 |
| 22 - USB 3.0 current limiter enable (active high) |
| 24 - SFP TX fault (input active high) |
| 25 - SFP present (input active low) |
| 26,27 - I2C1 - connected to SFP |
| 29 - Fan PWM |
| 30 - CON4 mini PCIe wifi disable |
| 31 - CON3 mini PCIe wifi disable |
| 32 - Fuse programming power toggle (1.8v) |
| 33 - CON4 mini PCIe reset |
| 34 - CON2 mini PCIe wifi disable |
| 35 - CON3 mini PCIe reset |
| 36 - Rear button (GPIO active low) |
| 41 - CON1 front panel connector |
| 42 - Front LED1, or front panel CON1 |
| 43 - Micron L-PBGA 24 ball SPI (1Gb) CS, or TPM SPI CS |
| 44 - CON2 mini PCIe reset |
| 45 - TPM PIRQ signal, or front panel CON1 |
| 46 - SFP TX disable |
| 47 - Control isolation of boot sensitive SAR signals |
| 48 - PSE reset |
| 49 - PSE OSS signal |
| 50 - PSE interrupt |
| 52 - Front LED2, or front panel |
| 53 - Front button |
| 54 - SFP LOS (input active high) |
| 55 - Fan sense |
| 56(mosi),57(clk),58(miso) - SPI interface - 32Mb SPI, 1Gb SPI and TPM |
| 59 - SPI 32Mb W25Q32BVZPIG CS0 chip select (bootable) |
| */ |
| |
| /dts-v1/; |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/leds/common.h> |
| #include "armada-385.dtsi" |
| |
| / { |
| compatible = "marvell,armada385", "marvell,armada380"; |
| |
| aliases { |
| /* So that mvebu u-boot can update the MAC addresses */ |
| ethernet1 = ð0; |
| ethernet2 = ð1; |
| ethernet3 = ð2; |
| i2c0 = &i2c0; |
| i2c1 = &i2c1; |
| }; |
| |
| chosen { |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| memory { |
| device_type = "memory"; |
| reg = <0x00000000 0x10000000>; /* 256 MB */ |
| }; |
| |
| reg_3p3v: regulator-3p3v { |
| compatible = "regulator-fixed"; |
| regulator-name = "3P3V"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| }; |
| |
| reg_5p0v: regulator-5p0v { |
| compatible = "regulator-fixed"; |
| regulator-name = "5P0V"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| regulator-always-on; |
| }; |
| |
| v_usb3_con: regulator-v-usb3-con { |
| compatible = "regulator-fixed"; |
| gpio = <&gpio0 22 GPIO_ACTIVE_LOW>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&cf_gtr_usb3_con_vbus>; |
| regulator-max-microvolt = <5000000>; |
| regulator-min-microvolt = <5000000>; |
| regulator-name = "v_usb3_con"; |
| vin-supply = <®_5p0v>; |
| regulator-boot-on; |
| regulator-always-on; |
| }; |
| |
| soc { |
| ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000 |
| MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000 |
| MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000 |
| MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000 |
| MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>; |
| |
| internal-regs { |
| |
| rtc@a3800 { |
| status = "okay"; |
| }; |
| |
| i2c@11000 { /* ROM, temp sensor and front panel */ |
| pinctrl-0 = <&i2c0_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| i2c@11100 { /* SFP (CON5/CON6) */ |
| pinctrl-0 = <&cf_gtr_i2c1_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| pinctrl@18000 { |
| cf_gtr_switch_reset_pins: cf-gtr-switch-reset-pins { |
| marvell,pins = "mpp18"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_usb3_con_vbus: cf-gtr-usb3-con-vbus { |
| marvell,pins = "mpp22"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_fan_pwm: cf-gtr-fan-pwm { |
| marvell,pins = "mpp23"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_i2c1_pins: i2c1-pins { |
| /* SFP */ |
| marvell,pins = "mpp26", "mpp27"; |
| marvell,function = "i2c1"; |
| }; |
| |
| cf_gtr_sdhci_pins: cf-gtr-sdhci-pins { |
| marvell,pins = "mpp21", "mpp28", |
| "mpp37", "mpp38", |
| "mpp39", "mpp40"; |
| marvell,function = "sd0"; |
| }; |
| |
| cf_gtr_isolation_pins: cf-gtr-isolation-pins { |
| marvell,pins = "mpp47"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_poe_reset_pins: cf-gtr-poe-reset-pins { |
| marvell,pins = "mpp48"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_spi1_cs_pins: spi1-cs-pins { |
| marvell,pins = "mpp59"; |
| marvell,function = "spi1"; |
| }; |
| |
| cf_gtr_front_button_pins: cf-gtr-front-button-pins { |
| marvell,pins = "mpp53"; |
| marvell,function = "gpio"; |
| }; |
| |
| cf_gtr_rear_button_pins: cf-gtr-rear-button-pins { |
| marvell,pins = "mpp36"; |
| marvell,function = "gpio"; |
| }; |
| }; |
| |
| sdhci@d8000 { |
| bus-width = <4>; |
| no-1-8-v; |
| non-removable; |
| pinctrl-0 = <&cf_gtr_sdhci_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| vmmc = <®_3p3v>; |
| wp-inverted; |
| }; |
| |
| usb@58000 { |
| status = "okay"; |
| }; |
| |
| usb3@f0000 { |
| status = "okay"; |
| }; |
| |
| usb3@f8000 { |
| vbus-supply = <&v_usb3_con>; |
| status = "okay"; |
| }; |
| }; |
| |
| pcie { |
| status = "okay"; |
| /* |
| * The PCIe units are accessible through |
| * the mini-PCIe connectors on the board. |
| */ |
| pcie@1,0 { |
| reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| }; |
| |
| pcie@2,0 { |
| reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| }; |
| |
| pcie@3,0 { |
| reset-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| }; |
| }; |
| }; |
| |
| sfp0: sfp { |
| compatible = "sff,sfp"; |
| i2c-bus = <&i2c1>; |
| los-gpio = <&gpio1 22 GPIO_ACTIVE_HIGH>; |
| mod-def0-gpio = <&gpio0 25 GPIO_ACTIVE_LOW>; |
| tx-disable-gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| gpio-keys { |
| compatible = "gpio-keys"; |
| pinctrl-0 = <&cf_gtr_rear_button_pins &cf_gtr_front_button_pins>; |
| pinctrl-names = "default"; |
| |
| button_0 { |
| label = "Rear Button"; |
| gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; |
| linux,can-disable; |
| linux,code = <BTN_0>; |
| }; |
| |
| button_1 { |
| label = "Front Button"; |
| gpios = <&gpio1 21 GPIO_ACTIVE_LOW>; |
| linux,can-disable; |
| linux,code = <BTN_1>; |
| }; |
| }; |
| |
| gpio-leds { |
| compatible = "gpio-leds"; |
| |
| led1 { |
| function = LED_FUNCTION_CPU; |
| color = <LED_COLOR_ID_GREEN>; |
| gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| led2 { |
| function = LED_FUNCTION_HEARTBEAT; |
| color = <LED_COLOR_ID_GREEN>; |
| gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>; |
| }; |
| }; |
| }; |
| |
| &bm { |
| status = "okay"; |
| }; |
| |
| &bm_bppi { |
| status = "okay"; |
| }; |
| |
| ð0 { |
| /* ethernet@70000 */ |
| pinctrl-0 = <&ge0_rgmii_pins>; |
| pinctrl-names = "default"; |
| phy = <&phy_dedicated>; |
| phy-mode = "rgmii-id"; |
| buffer-manager = <&bm>; |
| bm,pool-long = <0>; |
| bm,pool-short = <1>; |
| status = "okay"; |
| }; |
| |
| ð1 { |
| /* ethernet@30000 */ |
| bm,pool-long = <2>; |
| bm,pool-short = <1>; |
| buffer-manager = <&bm>; |
| phys = <&comphy1 1>; |
| phy-mode = "2500base-x"; |
| status = "okay"; |
| |
| fixed-link { |
| speed = <2500>; |
| full-duplex; |
| }; |
| }; |
| |
| ð2 { |
| /* ethernet@34000 */ |
| bm,pool-long = <3>; |
| bm,pool-short = <1>; |
| buffer-manager = <&bm>; |
| managed = "in-band-status"; |
| phys = <&comphy5 1>; |
| phy-mode = "sgmii"; |
| sfp = <&sfp0>; |
| status = "okay"; |
| }; |
| |
| &mdio { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&mdio_pins>; |
| status = "okay"; |
| |
| phy_dedicated: ethernet-phy@0 { |
| /* |
| * Annoyingly, the marvell phy driver configures the LED |
| * register, rather than preserving reset-loaded setting. |
| * We undo that rubbish here. |
| */ |
| marvell,reg-init = <3 16 0 0x1017>; |
| reg = <0>; |
| }; |
| }; |
| |
| &uart0 { |
| pinctrl-0 = <&uart0_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &spi1 { |
| /* |
| * CS0: W25Q32 flash |
| */ |
| pinctrl-0 = <&spi1_pins &cf_gtr_spi1_cs_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| |
| spi-flash@0 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "w25q32", "jedec,spi-nor"; |
| reg = <0>; /* Chip select 0 */ |
| spi-max-frequency = <3000000>; |
| status = "okay"; |
| }; |
| }; |
| |
| &i2c0 { |
| pinctrl-0 = <&i2c0_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| |
| /* U26 temperature sensor placed near SoC */ |
| temp1: nct75@4c { |
| compatible = "lm75"; |
| reg = <0x4c>; |
| }; |
| |
| /* U27 temperature sensor placed near RTC battery */ |
| temp2: nct75@4d { |
| compatible = "lm75"; |
| reg = <0x4d>; |
| }; |
| |
| /* 2Kb eeprom */ |
| eeprom@53 { |
| compatible = "atmel,24c02"; |
| reg = <0x53>; |
| }; |
| }; |
| |
| &ahci0 { |
| status = "okay"; |
| }; |
| |
| &ahci1 { |
| status = "okay"; |
| }; |
| |
| &gpio0 { |
| pinctrl-0 = <&cf_gtr_fan_pwm>; |
| pinctrl-names = "default"; |
| |
| wifi-disable { |
| gpio-hog; |
| gpios = <30 GPIO_ACTIVE_LOW>, <31 GPIO_ACTIVE_LOW>; |
| output-low; |
| line-name = "wifi-disable"; |
| }; |
| }; |
| |
| &gpio1 { |
| pinctrl-0 = <&cf_gtr_isolation_pins &cf_gtr_poe_reset_pins>; |
| pinctrl-names = "default"; |
| |
| lte-disable { |
| gpio-hog; |
| gpios = <2 GPIO_ACTIVE_LOW>; |
| output-low; |
| line-name = "lte-disable"; |
| }; |
| |
| /* |
| * This signal, when asserted, isolates Armada 38x sample at reset pins |
| * from control of external devices. Should be de-asserted after reset. |
| */ |
| sar-isolation { |
| gpio-hog; |
| gpios = <15 GPIO_ACTIVE_LOW>; |
| output-low; |
| line-name = "sar-isolation"; |
| }; |
| |
| poe-reset { |
| gpio-hog; |
| gpios = <16 GPIO_ACTIVE_LOW>; |
| output-low; |
| line-name = "poe-reset"; |
| }; |
| }; |