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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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aecc313490
SolidRun Clearfog GTR L8 and S4 SBCs are based on Armada 385. They features 8 (L8) or 4 (S4) switched Ethernet ports, 1 1Gb Ethernet port, 1 directly connected SFP port, 1 SFP port behind the switch (not currently described in DT), 3 mini-PCIe slots, eMMC, SPI flash, USB3 port. https://developer.solid-run.com/products/clearfog-gtr-a385/ Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
451 lines
9.2 KiB
Plaintext
451 lines
9.2 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/*
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* Device Tree file for Clearfog GTR machines rev 1.0 (88F6825)
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*
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* Rabeeh Khoury <rabeeh@solid-run.com>, based on Russell King clearfog work
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*/
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/*
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SERDES mapping -
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0. SATA1 on CON18, or optionally mini PCIe CON3 - PCIe0
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1. 6141 switch (2.5Gbps capable)
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2. SATA0 on CON17, or optionally mini PCIe CON4 - PCIe1
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3. USB 3.0 Host
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4. mini PCIe CON2 - PCIe2
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5. SFP connector, or optionally SGMII Ethernet 1512 PHY
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USB 2.0 mapping -
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0. USB 2.0 - 0 USB pins header CON12
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1. USB 2.0 - 1 mini PCIe CON2
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2. USB 2.0 - 2 to USB 3.0 connector (used with SERDES #3)
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Pin mapping -
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0,1 - console UART
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2,3 - I2C0 - connected to I2C EEPROM, two temperature sensors,
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front panel and PSE controller
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4,5 - MDC/MDIO
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6..17 - RGMII
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18 - Topaz switch reset (active low)
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19 - 1512 phy reset
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20 - 1512 phy reset (eth2, optional)
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21,28,37,38,39,40 - SD0
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22 - USB 3.0 current limiter enable (active high)
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24 - SFP TX fault (input active high)
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25 - SFP present (input active low)
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26,27 - I2C1 - connected to SFP
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29 - Fan PWM
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30 - CON4 mini PCIe wifi disable
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31 - CON3 mini PCIe wifi disable
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32 - Fuse programming power toggle (1.8v)
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33 - CON4 mini PCIe reset
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34 - CON2 mini PCIe wifi disable
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35 - CON3 mini PCIe reset
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36 - Rear button (GPIO active low)
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41 - CON1 front panel connector
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42 - Front LED1, or front panel CON1
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43 - Micron L-PBGA 24 ball SPI (1Gb) CS, or TPM SPI CS
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44 - CON2 mini PCIe reset
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45 - TPM PIRQ signal, or front panel CON1
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46 - SFP TX disable
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47 - Control isolation of boot sensitive SAR signals
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48 - PSE reset
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49 - PSE OSS signal
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50 - PSE interrupt
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52 - Front LED2, or front panel
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53 - Front button
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54 - SFP LOS (input active high)
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55 - Fan sense
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56(mosi),57(clk),58(miso) - SPI interface - 32Mb SPI, 1Gb SPI and TPM
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59 - SPI 32Mb W25Q32BVZPIG CS0 chip select (bootable)
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*/
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/leds/common.h>
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#include "armada-385.dtsi"
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/ {
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compatible = "marvell,armada385", "marvell,armada380";
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aliases {
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/* So that mvebu u-boot can update the MAC addresses */
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ethernet1 = ð0;
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ethernet2 = ð1;
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ethernet3 = ð2;
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory {
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device_type = "memory";
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reg = <0x00000000 0x10000000>; /* 256 MB */
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};
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reg_3p3v: regulator-3p3v {
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compatible = "regulator-fixed";
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regulator-name = "3P3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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reg_5p0v: regulator-5p0v {
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compatible = "regulator-fixed";
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regulator-name = "5P0V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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};
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v_usb3_con: regulator-v-usb3-con {
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compatible = "regulator-fixed";
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gpio = <&gpio0 22 GPIO_ACTIVE_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&cf_gtr_usb3_con_vbus>;
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regulator-max-microvolt = <5000000>;
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regulator-min-microvolt = <5000000>;
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regulator-name = "v_usb3_con";
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vin-supply = <®_5p0v>;
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regulator-boot-on;
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regulator-always-on;
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};
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soc {
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ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
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MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
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MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
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MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
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MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
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internal-regs {
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rtc@a3800 {
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status = "okay";
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};
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i2c@11000 { /* ROM, temp sensor and front panel */
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pinctrl-0 = <&i2c0_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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i2c@11100 { /* SFP (CON5/CON6) */
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pinctrl-0 = <&cf_gtr_i2c1_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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pinctrl@18000 {
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cf_gtr_switch_reset_pins: cf-gtr-switch-reset-pins {
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marvell,pins = "mpp18";
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marvell,function = "gpio";
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};
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cf_gtr_usb3_con_vbus: cf-gtr-usb3-con-vbus {
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marvell,pins = "mpp22";
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marvell,function = "gpio";
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};
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cf_gtr_fan_pwm: cf-gtr-fan-pwm {
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marvell,pins = "mpp23";
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marvell,function = "gpio";
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};
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cf_gtr_i2c1_pins: i2c1-pins {
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/* SFP */
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marvell,pins = "mpp26", "mpp27";
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marvell,function = "i2c1";
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};
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cf_gtr_sdhci_pins: cf-gtr-sdhci-pins {
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marvell,pins = "mpp21", "mpp28",
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"mpp37", "mpp38",
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"mpp39", "mpp40";
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marvell,function = "sd0";
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};
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cf_gtr_isolation_pins: cf-gtr-isolation-pins {
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marvell,pins = "mpp47";
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marvell,function = "gpio";
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};
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cf_gtr_poe_reset_pins: cf-gtr-poe-reset-pins {
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marvell,pins = "mpp48";
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marvell,function = "gpio";
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};
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cf_gtr_spi1_cs_pins: spi1-cs-pins {
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marvell,pins = "mpp59";
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marvell,function = "spi1";
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};
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cf_gtr_front_button_pins: cf-gtr-front-button-pins {
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marvell,pins = "mpp53";
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marvell,function = "gpio";
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};
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cf_gtr_rear_button_pins: cf-gtr-rear-button-pins {
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marvell,pins = "mpp36";
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marvell,function = "gpio";
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};
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};
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sdhci@d8000 {
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bus-width = <4>;
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no-1-8-v;
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non-removable;
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pinctrl-0 = <&cf_gtr_sdhci_pins>;
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pinctrl-names = "default";
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status = "okay";
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vmmc = <®_3p3v>;
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wp-inverted;
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};
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usb@58000 {
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status = "okay";
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};
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usb3@f0000 {
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status = "okay";
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};
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usb3@f8000 {
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vbus-supply = <&v_usb3_con>;
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status = "okay";
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};
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};
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pcie {
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status = "okay";
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/*
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* The PCIe units are accessible through
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* the mini-PCIe connectors on the board.
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*/
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pcie@1,0 {
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reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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pcie@2,0 {
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reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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pcie@3,0 {
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reset-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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};
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};
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sfp0: sfp {
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compatible = "sff,sfp";
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i2c-bus = <&i2c1>;
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los-gpio = <&gpio1 22 GPIO_ACTIVE_HIGH>;
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mod-def0-gpio = <&gpio0 25 GPIO_ACTIVE_LOW>;
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tx-disable-gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-0 = <&cf_gtr_rear_button_pins &cf_gtr_front_button_pins>;
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pinctrl-names = "default";
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button_0 {
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label = "Rear Button";
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gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
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linux,can-disable;
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linux,code = <BTN_0>;
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};
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button_1 {
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label = "Front Button";
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gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
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linux,can-disable;
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linux,code = <BTN_1>;
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};
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};
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gpio-leds {
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compatible = "gpio-leds";
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led1 {
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function = LED_FUNCTION_CPU;
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color = <LED_COLOR_ID_GREEN>;
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gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
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};
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led2 {
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function = LED_FUNCTION_HEARTBEAT;
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color = <LED_COLOR_ID_GREEN>;
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gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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&bm {
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status = "okay";
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};
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&bm_bppi {
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status = "okay";
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};
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ð0 {
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/* ethernet@70000 */
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pinctrl-0 = <&ge0_rgmii_pins>;
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pinctrl-names = "default";
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phy = <&phy_dedicated>;
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phy-mode = "rgmii-id";
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buffer-manager = <&bm>;
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bm,pool-long = <0>;
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bm,pool-short = <1>;
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status = "okay";
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};
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ð1 {
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/* ethernet@30000 */
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bm,pool-long = <2>;
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bm,pool-short = <1>;
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buffer-manager = <&bm>;
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phys = <&comphy1 1>;
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phy-mode = "2500base-x";
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status = "okay";
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fixed-link {
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speed = <2500>;
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full-duplex;
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};
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};
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ð2 {
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/* ethernet@34000 */
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bm,pool-long = <3>;
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bm,pool-short = <1>;
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buffer-manager = <&bm>;
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managed = "in-band-status";
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phys = <&comphy5 1>;
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phy-mode = "sgmii";
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sfp = <&sfp0>;
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status = "okay";
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};
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&mdio {
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pinctrl-names = "default";
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pinctrl-0 = <&mdio_pins>;
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status = "okay";
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phy_dedicated: ethernet-phy@0 {
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/*
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* Annoyingly, the marvell phy driver configures the LED
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* register, rather than preserving reset-loaded setting.
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* We undo that rubbish here.
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*/
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marvell,reg-init = <3 16 0 0x1017>;
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reg = <0>;
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};
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};
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&uart0 {
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pinctrl-0 = <&uart0_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&spi1 {
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/*
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* CS0: W25Q32 flash
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*/
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pinctrl-0 = <&spi1_pins &cf_gtr_spi1_cs_pins>;
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pinctrl-names = "default";
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status = "okay";
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spi-flash@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "w25q32", "jedec,spi-nor";
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reg = <0>; /* Chip select 0 */
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spi-max-frequency = <3000000>;
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status = "okay";
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};
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};
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&i2c0 {
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pinctrl-0 = <&i2c0_pins>;
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pinctrl-names = "default";
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status = "okay";
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/* U26 temperature sensor placed near SoC */
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temp1: nct75@4c {
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compatible = "lm75";
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reg = <0x4c>;
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};
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/* U27 temperature sensor placed near RTC battery */
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temp2: nct75@4d {
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compatible = "lm75";
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reg = <0x4d>;
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};
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/* 2Kb eeprom */
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eeprom@53 {
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compatible = "atmel,24c02";
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reg = <0x53>;
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};
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};
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&ahci0 {
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status = "okay";
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};
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&ahci1 {
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status = "okay";
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};
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&gpio0 {
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pinctrl-0 = <&cf_gtr_fan_pwm>;
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pinctrl-names = "default";
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wifi-disable {
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gpio-hog;
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gpios = <30 GPIO_ACTIVE_LOW>, <31 GPIO_ACTIVE_LOW>;
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output-low;
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line-name = "wifi-disable";
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};
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};
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&gpio1 {
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pinctrl-0 = <&cf_gtr_isolation_pins &cf_gtr_poe_reset_pins>;
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pinctrl-names = "default";
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lte-disable {
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gpio-hog;
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gpios = <2 GPIO_ACTIVE_LOW>;
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output-low;
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line-name = "lte-disable";
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};
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/*
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* This signal, when asserted, isolates Armada 38x sample at reset pins
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* from control of external devices. Should be de-asserted after reset.
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*/
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sar-isolation {
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gpio-hog;
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gpios = <15 GPIO_ACTIVE_LOW>;
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output-low;
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line-name = "sar-isolation";
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};
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poe-reset {
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gpio-hog;
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gpios = <16 GPIO_ACTIVE_LOW>;
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output-low;
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line-name = "poe-reset";
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};
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};
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