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gemini-dlink-dns-313.dts revision 1.1.1.1.2.2 
      1 // SPDX-License-Identifier: GPL-2.0
      2 /*
      3  * Device Tree file for D-Link DNS-313 1-Bay Network Storage Enclosure
      4  */
      5 
      6 /dts-v1/;
      7 
      8 #include "gemini.dtsi"
      9 #include <dt-bindings/input/input.h>
     10 #include <dt-bindings/thermal/thermal.h>
     11 
     12 / {
     13 	model = "D-Link DNS-313 1-Bay Network Storage Enclosure";
     14 	compatible = "dlink,dir-313", "cortina,gemini";
     15 	#address-cells = <1>;
     16 	#size-cells = <1>;
     17 
     18 	memory {
     19 		/* 64 MB SDRAM in a Nanya NT5DS32M16BS-6K package */
     20 		device_type = "memory";
     21 		reg = <0x00000000 0x4000000>;
     22 	};
     23 
     24 	aliases {
     25 		mdio-gpio0 = &mdio0;
     26 	};
     27 
     28 	chosen {
     29 		stdout-path = "uart0:19200n8";
     30 	};
     31 
     32 	gpio_keys {
     33 		compatible = "gpio-keys";
     34 		#address-cells = <1>;
     35 		#size-cells = <0>;
     36 		button-esc {
     37 			debounce_interval = <50>;
     38 			wakeup-source;
     39 			linux,code = <KEY_ESC>;
     40 			label = "reset";
     41 			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
     42 		};
     43 	};
     44 
     45 	leds {
     46 		compatible = "gpio-leds";
     47 		led-power {
     48 			label = "dns313:blue:power";
     49 			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
     50 			default-state = "on";
     51 			linux,default-trigger = "heartbeat";
     52 		};
     53 		led-disk-blue {
     54 			label = "dns313:blue:disk";
     55 			gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
     56 			default-state = "off";
     57 		};
     58 		led-disk-green {
     59 			label = "dns313:green:disk";
     60 			gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
     61 			default-state = "off";
     62 			linux,default-trigger = "ide-disk";
     63 			/* Ideally should activate while reading */
     64 		};
     65 		led-disk-red {
     66 			label = "dns313:red:disk";
     67 			gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
     68 			default-state = "off";
     69 			/* Ideally should activate while writing */
     70 		};
     71 	};
     72 
     73 	/*
     74 	 * This is a ADDA AD0405GB-G73 fan @3000 and 6000 RPM.
     75 	 */
     76 	fan0: gpio-fan {
     77 		compatible = "gpio-fan";
     78 		gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>,
     79 			<&gpio0 12 GPIO_ACTIVE_HIGH>;
     80 		gpio-fan,speed-map = <0 0>, <3000 1>, <6000 2>;
     81 		#cooling-cells = <2>;
     82 	};
     83 
     84 
     85 	/* Global Mixed-Mode Technology G751 mounted on GPIO I2C */
     86 	gpio-i2c {
     87 		compatible = "i2c-gpio";
     88 		sda-gpios = <&gpio0 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
     89 		scl-gpios = <&gpio0 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
     90 		#address-cells = <1>;
     91 		#size-cells = <0>;
     92 
     93 		g751: temperature-sensor@48 {
     94 			compatible = "gmt,g751";
     95 			reg = <0x48>;
     96 			#thermal-sensor-cells = <0>;
     97 		};
     98 	};
     99 
    100 	thermal-zones {
    101 		chassis-thermal {
    102 			/* Poll every 20 seconds */
    103 			polling-delay = <20000>;
    104 			/* Poll every 2nd second when cooling */
    105 			polling-delay-passive = <2000>;
    106 
    107 			thermal-sensors = <&g751>;
    108 
    109 			/* Tripping points from the fan.script in the rootfs */
    110 			trips {
    111 				chassis_alert0: chassis-alert0 {
    112 					/* At 43 degrees turn on low speed */
    113 					temperature = <43000>;
    114 					hysteresis = <3000>;
    115 					type = "active";
    116 				};
    117 				chassis_alert1: chassis-alert1 {
    118 					/* At 47 degrees turn on high speed */
    119 					temperature = <47000>;
    120 					hysteresis = <3000>;
    121 					type = "active";
    122 				};
    123 				chassis_crit: chassis-crit {
    124 					/* Just shut down at 60 degrees */
    125 					temperature = <60000>;
    126 					hysteresis = <2000>;
    127 					type = "critical";
    128 				};
    129 			};
    130 
    131 			cooling-maps {
    132 				map0 {
    133 					trip = <&chassis_alert0>;
    134 					cooling-device = <&fan0 1 1>;
    135 				};
    136 				map1 {
    137 					trip = <&chassis_alert1>;
    138 					cooling-device = <&fan0 2 2>;
    139 				};
    140 			};
    141 		};
    142 	};
    143 
    144 	mdio0: ethernet-phy {
    145 		compatible = "virtual,mdio-gpio";
    146 		/* Uses MDC and MDIO */
    147 		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
    148 			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
    149 		#address-cells = <1>;
    150 		#size-cells = <0>;
    151 
    152 		/* This is a Realtek RTL8211B Gigabit ethernet transceiver */
    153 		phy0: ethernet-phy@1 {
    154 			reg = <1>;
    155 			device_type = "ethernet-phy";
    156 		};
    157 	};
    158 
    159 	soc {
    160 		flash@30000000 {
    161 			status = "okay";
    162 			/* 512KB of flash */
    163 			reg = <0x30000000 0x00080000>;
    164 
    165 			/*
    166 			 * This "RedBoot" is the Storlink derivative.
    167 			 */
    168 			partition@0 {
    169 				label = "RedBoot";
    170 				reg = <0x00000000 0x00040000>;
    171 				read-only;
    172 			};
    173 			partition@40000 {
    174 				label = "MTD1";
    175 				reg = <0x00040000 0x00020000>;
    176 				read-only;
    177 			};
    178 			partition@60000 {
    179 				label = "MTD2";
    180 				reg = <0x00060000 0x00020000>;
    181 				read-only;
    182 			};
    183 		};
    184 
    185 		syscon: syscon@40000000 {
    186 			pinctrl {
    187 				/*
    188 				 */
    189 				gpio0_default_pins: pinctrl-gpio0 {
    190 					mux {
    191 						function = "gpio0";
    192 						groups =
    193 						/* Used by LEDs conflicts ICE */
    194 						"gpio0bgrp",
    195 						/* Used by ? conflicts ICE */
    196 						"gpio0cgrp",
    197 						/*
    198 						 * Used by fan & G751, conflicts LPC,
    199 						 * UART modem lines, SSP
    200 						 */
    201 						"gpio0egrp",
    202 						/* Used by G751 */
    203 						"gpio0fgrp",
    204 						/* Used by MDIO */
    205 						"gpio0igrp";
    206 					};
    207 				};
    208 				gpio1_default_pins: pinctrl-gpio1 {
    209 					mux {
    210 						function = "gpio1";
    211 						/* Used by "reset" button */
    212 						groups = "gpio1dgrp";
    213 					};
    214 				};
    215 				pinctrl-gmii {
    216 					mux {
    217 						function = "gmii";
    218 						groups = "gmii_gmac0_grp";
    219 					};
    220 					/*
    221 					 * In the vendor Linux tree, these values are set for the C3
    222 					 * version of the SL3512 ASIC with the comment "benson suggest"
    223 					 */
    224 					conf0 {
    225 						pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV";
    226 						skew-delay = <0>;
    227 					};
    228 					conf1 {
    229 						pins = "T8 GMAC0 RXC";
    230 						skew-delay = <10>;
    231 					};
    232 					conf2 {
    233 						pins = "T11 GMAC1 RXC";
    234 						skew-delay = <15>;
    235 					};
    236 					conf3 {
    237 						pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN";
    238 						skew-delay = <7>;
    239 					};
    240 					conf4 {
    241 						pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC";
    242 						skew-delay = <10>;
    243 					};
    244 					conf5 {
    245 						/* The data lines all have default skew */
    246 						pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
    247 						       "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
    248 						       "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
    249 						       "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
    250 						       "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
    251 						       "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
    252 						skew-delay = <7>;
    253 					};
    254 					conf6 {
    255 						pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
    256 						       "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
    257 						skew-delay = <5>;
    258 					};
    259 					/* Set up drive strength on GMAC0 to 16 mA */
    260 					conf7 {
    261 						groups = "gmii_gmac0_grp";
    262 						drive-strength = <16>;
    263 					};
    264 				};
    265 			};
    266 		};
    267 
    268 		sata: sata@46000000 {
    269 			/* The ROM uses this muxmode */
    270 			cortina,gemini-ata-muxmode = <0>;
    271 			cortina,gemini-enable-sata-bridge;
    272 			status = "okay";
    273 		};
    274 
    275 		gpio0: gpio@4d000000 {
    276 			pinctrl-names = "default";
    277 			pinctrl-0 = <&gpio0_default_pins>;
    278 		};
    279 
    280 		gpio1: gpio@4e000000 {
    281 			pinctrl-names = "default";
    282 			pinctrl-0 = <&gpio1_default_pins>;
    283 		};
    284 
    285 		ethernet@60000000 {
    286 			status = "okay";
    287 
    288 			ethernet-port@0 {
    289 				phy-mode = "rgmii";
    290 				phy-handle = <&phy0>;
    291 			};
    292 			ethernet-port@1 {
    293 				/* Not used in this platform */
    294 			};
    295 		};
    296 
    297 		ata@63000000 {
    298 			status = "okay";
    299 		};
    300 	};
    301 };
    302