24b910dca2
The thermal zones kernel documentation is misleading, we cannot use more than one sensor in a thermal zone node. Furthermore the drivetemp driver for some reason it only catches one sensor from the hard drives array (the first available). In the Buffalo Linkstation LS421DE board there is also a sensor at the ethernet phy chip that can also be monitored. Very useful to stop the fan when there are no hard drives in the bays. (It might be also possible to add the CPU sensor, but it requires kernel patching for registering the sensor via device tree, using the function: devm_thermal_zone_of_sensor_register) Fix the thermal zones to use only one sensor per node and add the ethernet phy sensor. Also adjust the hdd temperatures to be more conservative for a mechanical hard drive. Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
433 lines
8.5 KiB
Text
433 lines
8.5 KiB
Text
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
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/*
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* Device Tree file for Buffalo LinkStation LS421DE
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*
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* Copyright (C) 2020 Daniel González Cabanelas <dgcbueu@gmail.com>
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*/
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/dts-v1/;
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#include "armada-370.dtsi"
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#include "mvebu-linkstation-fan.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/thermal/thermal.h>
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/ {
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model = "Buffalo LinkStation LS421DE";
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compatible = "buffalo,ls421de", "marvell,armada370", "marvell,armada-370-xp";
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aliases {
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led-boot = &led_boot;
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led-failsafe = &led_failsafe;
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led-running = &led_power;
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led-upgrade = &led_upgrade;
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};
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chosen {
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bootargs = "console=ttyS0,115200 earlyprintk noinitrd rootfstype=squashfs";
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stdout-path = "serial0:115200n8";
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append-rootblock = "nullparameter="; /* override the bootloader args */
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};
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memory {
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device_type = "memory";
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reg = <0x00000000 0x20000000>; /* 512 MB */
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};
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soc {
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ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
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MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000
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MBUS_ID(0x09, 0x01) 0 0xf1100000 0x10000>;
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};
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system_fan: gpio_fan {
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gpios = <&gpio0 13 GPIO_ACTIVE_HIGH
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&gpio0 14 GPIO_ACTIVE_HIGH>;
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alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
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#cooling-cells = <2>;
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};
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thermal-zones {
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hdd-thermal {
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polling-delay = <20000>;
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polling-delay-passive = <2000>;
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thermal-sensors = <&hdd0_temp>; /* only one drivetemp sensor is supported */
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trips {
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hdd_alert1: trip1 {
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temperature = <36000>;
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hysteresis = <2000>;
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type = "active";
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};
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hdd_alert2: trip2 {
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temperature = <44000>;
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hysteresis = <2000>;
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type = "active";
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};
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hdd_alert3: trip3 {
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temperature = <52000>;
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hysteresis = <2000>;
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type = "passive";
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};
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hdd_crit: trip4 {
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temperature = <60000>;
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hysteresis = <2000>;
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type = "critical";
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};
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};
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cooling-maps {
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map1 {
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trip = <&hdd_alert1>;
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cooling-device = <&system_fan THERMAL_NO_LIMIT 1>;
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};
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map2 {
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trip = <&hdd_alert2>;
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cooling-device = <&system_fan 2 2>;
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};
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map3 {
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trip = <&hdd_alert3>;
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cooling-device = <&system_fan 3 THERMAL_NO_LIMIT>;
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};
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};
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};
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ethphy-thermal {
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polling-delay = <20000>;
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polling-delay-passive = <2000>;
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thermal-sensors = <ðphy0>;
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trips {
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ethphy_alert1: trip1 {
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temperature = <65000>;
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hysteresis = <4000>;
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type = "passive";
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};
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ethphy_crit: trip2 {
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temperature = <100000>;
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hysteresis = <2000>;
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type = "critical";
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};
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};
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cooling-maps {
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map1 {
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trip = <ðphy_alert1>;
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cooling-device = <&system_fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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};
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};
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-0 = <&pmx_buttons>;
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pinctrl-names = "default";
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power {
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label = "Power Switch";
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linux,code = <KEY_POWER>;
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linux,input-type = <EV_SW>;
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gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
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};
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function {
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label = "Function Button";
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linux,code = <KEY_CONFIG>;
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gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
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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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pinctrl-names = "default";
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pinctrl-0 = <&pmx_leds1 &pmx_leds2>;
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system_red {
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label = "ls421de:red:system";
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gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
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};
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led_power: power_white {
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label = "ls421de:white:power";
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gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led_failsafe: power_red {
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label = "ls421de:red:power";
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gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
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};
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led_upgrade: power_orange {
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label = "ls421de:orange:power";
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gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
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};
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led_boot: system_white {
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label = "ls421de:white:system";
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gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
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};
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hdd1_red {
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label = "ls421de:red:hdd1";
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gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "ata1";
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};
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hdd2_red {
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label = "ls421de:red:hdd2";
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gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "ata2";
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-0 = <&pmx_power_usb &pmx_power_hdd1 &pmx_power_hdd2>;
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pinctrl-names = "default";
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usb_power: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "USB";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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regulator-always-on;
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regulator-boot-on;
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gpio = <&gpio0 5 GPIO_ACTIVE_HIGH>;
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};
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sata1_power: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "HDD1";
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regulator-min-microvolt = <12000000>;
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regulator-max-microvolt = <12000000>;
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startup-delay-us = <2000000>;
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enable-active-high;
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regulator-always-on;
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regulator-boot-on;
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gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
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};
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sata2_power: regulator@2 {
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compatible = "regulator-fixed";
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reg = <2>;
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regulator-name = "HDD2";
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regulator-min-microvolt = <12000000>;
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regulator-max-microvolt = <12000000>;
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startup-delay-us = <4000000>;
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enable-active-high;
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regulator-always-on;
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regulator-boot-on;
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gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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&coherencyfab {
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broken-idle;
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};
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ð1 {
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pinctrl-0 = <&ge1_rgmii_pins>;
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pinctrl-names = "default";
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status = "okay";
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phy-handle = <ðphy0>;
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phy-connection-type = "rgmii-id";
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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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clock-frequency = <100000>;
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status = "okay";
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rs5c372a: rs5c372a@32 {
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compatible = "ricoh,rs5c372a";
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reg = <0x32>;
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wakeup-source;
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};
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};
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&mdio {
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pinctrl-0 = <&mdio_pins>;
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pinctrl-names = "default";
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ethphy0: ethernet-phy@0 { /* Marvell 88E1518 */
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reg = <0>;
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marvell,reg-init = <0x3 0x10 0x1 0x1991>, /* LED function */
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<0x3 0x11 0x1 0x4401>, /* LED polarity */
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<0x3 0x12 0x1 0x4905>; /* LED timer */
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#thermal-sensor-cells = <0>;
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};
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};
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&pciec {
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status = "okay";
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/* Connected to uPD720202 USB 3.0 Host */
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pcie@1,0 {
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status = "okay";
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};
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};
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&pmsu {
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pinctrl-0 = <&pmx_power_cpu>;
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pinctrl-names = "default";
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};
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&rtc {
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status = "disabled";
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};
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&sata {
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nr-ports = <2>;
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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hdd0_temp: sata-port@0 {
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reg = <0>;
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#thermal-sensor-cells = <0>;
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};
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hdd1_temp: sata-port@1 {
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reg = <1>;
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#thermal-sensor-cells = <0>;
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};
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};
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&sdio {
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pinctrl-0 = <&sdio_pins2>;
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pinctrl-names = "default";
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status = "okay";
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/* No CD or WP GPIOs */
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broken-cd;
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};
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&uart0 {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&nand_controller {
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status = "okay";
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nand@0 {
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reg = <0>;
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label = "pxa3xx_nand-0";
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nand-rb = <0>;
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marvell,nand-keep-config;
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nand-on-flash-bbt;
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nand-ecc-strength = <4>;
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nand-ecc-step-size = <512>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "kernel";
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reg = <0x00000000 0x02000000>; /* 32 MiB */
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};
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partition@2000000 {
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label = "ubi";
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reg = <0x02000000 0x1e000000>; /* 480 MiB */
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};
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};
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};
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};
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&spi0 {
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status = "okay";
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pinctrl-0 = <&spi0_pins2>;
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pinctrl-names = "default";
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spi-flash@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "mxicy,mx25l8005", "jedec,spi-nor";
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reg = <0>; /* Chip select 0 */
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spi-max-frequency = <50000000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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reg = <0x00000 0xf0000>; /* 960 KiB*/
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label = "u-boot";
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read-only;
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};
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partition@f0000 {
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reg = <0xf0000 0x10000>; /* 64 KiB */
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label = "u-boot-env";
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};
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};
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};
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};
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&pinctrl {
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pmx_power_cpu: pmx-power-cpu {
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marvell,pins = "mpp4";
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marvell,function = "vdd";
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};
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pmx_power_usb: pmx-power-usb {
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marvell,pins = "mpp5";
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marvell,function = "gpo";
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};
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pmx_power_hdd1: pmx-power-hdd1 {
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marvell,pins = "mpp8";
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marvell,function = "gpio";
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};
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pmx_power_hdd2: pmx-power-hdd2 {
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marvell,pins = "mpp9";
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marvell,function = "gpo";
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};
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pmx_fan_lock: pmx-fan-lock {
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marvell,pins = "mpp10";
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marvell,function = "gpio";
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};
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pmx_hdd_present: pmx-hdd-present {
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marvell,pins = "mpp11", "mpp12";
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marvell,function = "gpio";
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};
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pmx_fan_high: pmx-fan-high {
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marvell,pins = "mpp13";
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marvell,function = "gpio";
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};
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pmx_fan_low: pmx-fan-low {
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marvell,pins = "mpp14";
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marvell,function = "gpio";
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};
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pmx_buttons: pmx-buttons {
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marvell,pins = "mpp15", "mpp16";
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marvell,function = "gpio";
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};
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pmx_leds1: pmx-leds {
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marvell,pins = "mpp7", "mpp54", "mpp59", "mpp61";
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marvell,function = "gpo";
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};
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pmx_leds2: pmx-leds {
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marvell,pins = "mpp55", "mpp57", "mpp62";
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marvell,function = "gpio";
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};
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};
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