OpenWrt – Rev 4
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From 2f08de94f207a4347053e1faa22c9a310c9c61b0 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Fri, 17 Nov 2017 16:36:32 +0100
Subject: [PATCH 13/31] 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>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/gemini-dlink-dns-313.dts | 241 +++++++++++++++++++++++++++++
2 files changed, 242 insertions(+)
create mode 100644 arch/arm/boot/dts/gemini-dlink-dns-313.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -185,6 +185,7 @@ 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 \
--- /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";
+ };
+ };
+};
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