ARM: dts: Add basic devicetree for D-Link DNS-313

This adds a basic device tree for the D-Link DNS-313
NAS enclosure. This device has a thermal sensor and a
fan so we add a thermal zone for the chassis in the
device tree based on information from the product.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d0381e9..4388905 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -192,6 +192,7 @@ dtb-$(CONFIG_ARCH_EXYNOS5) += \
        exynos5800-peach-pi.dtb
 dtb-$(CONFIG_ARCH_GEMINI) += \
        gemini-dlink-dir-685.dtb \
+       gemini-dlink-dns-313.dtb \
        gemini-nas4220b.dtb \
        gemini-rut1xx.dtb \
        gemini-sq201.dtb \

diff --git a/arch/arm/boot/dts/gemini-dlink-dns-313.dts b/arch/arm/boot/dts/gemini-dlink-dns-313.dts
new file mode 100644 (file)
index 0000000..076b8d8
--- /dev/null
+++ b/arch/arm/boot/dts/gemini-dlink-dns-313.dts
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for D-Link DNS-313 1-Bay Network Storage Enclosure
+ */
+
+/dts-v1/;
+
+#include "gemini.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+       model = "D-Link DNS-313 1-Bay Network Storage Enclosure";
+       compatible = "dlink,dir-313", "cortina,gemini";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       memory {
+               /* 64 MB SDRAM in a Nanya NT5DS32M16BS-6K package */
+               device_type = "memory";
+               reg = <0x00000000 0x4000000>;
+       };
+
+       aliases {
+               mdio-gpio0 = &mdio0;
+       };
+
+       chosen {
+               stdout-path = "uart0:19200n8";
+       };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               button-esc {
+                       debounce_interval = <50>;
+                       wakeup-source;
+                       linux,code = <KEY_ESC>;
+                       label = "reset";
+                       gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               led-power {
+                       label = "dns313:blue:power";
+                       gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+                       default-state = "on";
+                       linux,default-trigger = "heartbeat";
+               };
+               led-disk-blue {
+                       label = "dns313:blue:disk";
+                       gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
+                       default-state = "off";
+               };
+               led-disk-green {
+                       label = "dns313:green:disk";
+                       gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+                       default-state = "off";
+                       linux,default-trigger = "ide-disk";
+                       /* Ideally should activate while reading */
+               };
+               led-disk-red {
+                       label = "dns313:red:disk";
+                       gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+                       default-state = "off";
+                       /* Ideally should activate while writing */
+               };
+       };
+
+       /*
+        * This is a ADDA AD0405GB-G73 fan @3000 and 6000 RPM.
+        */
+       fan0: gpio-fan {
+               compatible = "gpio-fan";
+               gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>,
+                       <&gpio0 12 GPIO_ACTIVE_HIGH>;
+               gpio-fan,speed-map = <0 0>, <3000 1>, <6000 2>;
+               cooling-min-level = <0>;
+               cooling-max-level = <2>;
+               #cooling-cells = <2>;
+       };
+
+
+       /* Global Mixed-Mode Technology G751 mounted on GPIO I2C */
+       gpio-i2c {
+               compatible = "i2c-gpio";
+               sda-gpios = <&gpio0 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio0 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               g751: temperature-sensor@48 {
+                       compatible = "gmt,g751";
+                       reg = <0x48>;
+                       #thermal-sensor-cells = <0>;
+               };
+       };
+
+       thermal-zones {
+               chassis-thermal {
+                       /* Poll every 20 seconds */
+                       polling-delay = <20000>;
+                       /* Poll every 2nd second when cooling */
+                       polling-delay-passive = <2000>;
+
+                       thermal-sensors = <&g751>;
+
+                       /* Tripping points from the fan.script in the rootfs */
+                       trips {
+                               chassis_alert0: chassis-alert0 {
+                                       /* At 43 degrees turn on low speed */
+                                       temperature = <43000>;
+                                       hysteresis = <3000>;
+                                       type = "active";
+                               };
+                               chassis_alert1: chassis-alert1 {
+                                       /* At 47 degrees turn on high speed */
+                                       temperature = <47000>;
+                                       hysteresis = <3000>;
+                                       type = "active";
+                               };
+                               chassis_crit: chassis-crit {
+                                       /* Just shut down at 60 degrees */
+                                       temperature = <60000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&chassis_alert0>;
+                                       cooling-device = <&fan0 1 1>;
+                               };
+                               map1 {
+                                       trip = <&chassis_alert1>;
+                                       cooling-device = <&fan0 2 2>;
+                               };
+                       };
+               };
+       };
+
+       mdio0: ethernet-phy {
+               compatible = "virtual,mdio-gpio";
+               /* Uses MDC and MDIO */
+               gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+                       <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               /* This is a Realtek RTL8211B Gigabit ethernet transceiver */
+               phy0: ethernet-phy@1 {
+                       reg = <1>;
+                       device_type = "ethernet-phy";
+               };
+       };
+
+       soc {
+               flash@30000000 {
+                       status = "okay";
+                       /* 512KB of flash */
+                       reg = <0x30000000 0x00080000>;
+
+                       /*
+                        * This "RedBoot" is the Storlink derivative.
+                        */
+                       partition@0 {
+                               label = "RedBoot";
+                               reg = <0x00000000 0x00040000>;
+                               read-only;
+                       };
+                       partition@40000 {
+                               label = "MTD1";
+                               reg = <0x00040000 0x00020000>;
+                               read-only;
+                       };
+                       partition@60000 {
+                               label = "MTD2";
+                               reg = <0x00060000 0x00020000>;
+                               read-only;
+                       };
+               };
+
+               syscon: syscon@40000000 {
+                       pinctrl {
+                               /*
+                                */
+                               gpio0_default_pins: pinctrl-gpio0 {
+                                       mux {
+                                               function = "gpio0";
+                                               groups =
+                                               /* Used by LEDs conflicts ICE */
+                                               "gpio0bgrp",
+                                               /* Used by ? conflicts ICE */
+                                               "gpio0cgrp",
+                                               /*
+                                                * Used by fan & G751, conflicts LPC,
+                                                * UART modem lines, SSP
+                                                */
+                                               "gpio0egrp",
+                                               /* Used by G751 */
+                                               "gpio0fgrp",
+                                               /* Used by MDIO */
+                                               "gpio0igrp";
+                                       };
+                               };
+                               gpio1_default_pins: pinctrl-gpio1 {
+                                       mux {
+                                               function = "gpio1";
+                                               /* Used by "reset" button */
+                                               groups = "gpio1dgrp";
+                                       };
+                               };
+                       };
+               };
+
+               sata: sata@46000000 {
+                       /* The ROM uses this muxmode */
+                       cortina,gemini-ata-muxmode = <3>;
+                       cortina,gemini-enable-sata-bridge;
+                       status = "okay";
+               };
+
+               gpio0: gpio@4d000000 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&gpio0_default_pins>;
+               };
+
+               gpio1: gpio@4e000000 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&gpio1_default_pins>;
+               };
+
+               ata@63000000 {
+                       status = "okay";
+               };
+       };
+};