Date:   Thu, 22 Sep 2022 23:24:57 +0300
From:   Mauri Sandberg <maukka@....kapsi.fi>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        arnd@...db.de, olof@...om.net, andrew@...n.ch,
        sebastian.hesselbarth@...il.com, gregory.clement@...tlin.com,
        linux@...linux.org.uk
Cc:     pali@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Mauri Sandberg <maukka@....kapsi.fi>
Subject: [PATCH v2 2/3] ARM: dts: orion5x: Add D-Link DNS-323 Device Tree

Add a device tree for D-Link DNS-323. The device has three different
variants; A1, B1 and C1. Common parts are included in a .dtsi file
and each hardware variant has its own .dts file.

Signed-off-by: Mauri Sandberg <maukka@....kapsi.fi>
---
changes from v1
 - split patches, this one adds the device tree
 - set pciec and pcie1 nodes to 'okay'
---
 arch/arm/boot/dts/Makefile                   |   3 +
 arch/arm/boot/dts/orion5x-dlink-dns323.dtsi  | 215 +++++++++++++++++++
 arch/arm/boot/dts/orion5x-dlink-dns323a1.dts |  44 ++++
 arch/arm/boot/dts/orion5x-dlink-dns323b1.dts |  39 ++++
 arch/arm/boot/dts/orion5x-dlink-dns323c1.dts |  81 +++++++
 5 files changed, 382 insertions(+)
 create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
 create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
 create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
 create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323c1.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 05d8aef6e5d2..bc41749cd889 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -997,6 +997,9 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
 	dra71-evm.dtb \
 	dra76-evm.dtb
 dtb-$(CONFIG_ARCH_ORION5X) += \
+	orion5x-dlink-dns323a1.dtb \
+	orion5x-dlink-dns323b1.dtb \
+	orion5x-dlink-dns323c1.dtb \
 	orion5x-kuroboxpro.dtb \
 	orion5x-lacie-d2-network.dtb \
 	orion5x-lacie-ethernet-disk-mini-v2.dtb \
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi b/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
new file mode 100644
index 000000000000..05b0b134edb3
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@....kapsi.fi>
+ *
+ */
+
+/ {
+	model = "D-Link DNS-323";
+	compatible = "dlink,dns323", "marvell,orion5x";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x4000000>; /* 64 MB */
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs = "console=ttyS0,115200n8 earlyprintk";
+	};
+
+	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,  /* on-chip peripheral registers */
+			 <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,     /* SRAM for crypto */
+			 <MBUS_ID(0x01, 0x0f) 0 0xf4000000 0x800000>;  /* device bus mapping (boot) */
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&pmx_gpio_keys>;
+		pinctrl-names = "default";
+
+		key-0 {
+			label = "Power button";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+		};
+
+		key-1 {
+			label = "Reset button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		pinctrl-0 = <&pmx_gpio_leds>;
+		pinctrl-names = "default";
+
+		led-0 {
+			label = "amber:right";
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+		};
+
+		led-1 {
+			label = "amber:left";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+		};
+
+		led-2 {
+			label = "blue:power";
+			gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+	};
+
+	gpio-poweroff {
+		compatible = "gpio-poweroff";
+		pinctrl-0 = <&pmx_power_off>;
+		pinctrl-names = "default";
+
+		gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+		timeout-ms = <3000>;
+	};
+};
+
+&devbus_bootcs {
+	status = "okay";
+	devbus,keep-config;
+
+	flash@0 {
+		compatible = "cfi-flash";
+		reg = <0 0x800000>;
+		bank-width = <1>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "MTD1";
+				reg = <0x000000 0x010000>;
+				read-only;
+			};
+
+			partition@...00 {
+				label = "MTD2";
+				reg = <0x010000 0x010000>;
+				read-only;
+			};
+
+			partition@...00 {
+				label = "Linux Kernel";
+				reg = <0x020000 0x180000>;
+			};
+
+			partition@...000 {
+				label = "File System";
+				reg = <0x1a0000 0x630000>;
+			};
+
+			uboot: partition@...000 {
+				label = "U-boot";
+				reg = <0x7d0000 0x030000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&i2c {
+	status = "okay";
+	clock-frequency = <100000>;
+
+	/* fan speed PWM */
+	fan@3e {
+		compatible = "g760a";
+		reg = <0x3e>;
+	};
+
+	/* temp sensor and thermal watchdog */
+	temperature-sensor@48 {
+		compatible = "gmt,g751";
+		reg = <0x48>;
+	};
+
+	/* RTC w/ alarm */
+	rtc@68 {
+		compatible = "st,m41t80";
+		reg = <0x68>;
+	};
+};
+
+&mdio {
+	status = "okay";
+
+	ethphy: ethernet-phy {
+		reg = <8>;
+	};
+};
+
+&eth {
+	status = "okay";
+	pinctrl-0 = <&pmx_ge>;
+	pinctrl-names = "default";
+	clocks = <&core_clk 0>;
+};
+
+&ethport {
+	phy-handle = <&ethphy>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&pinctrl {
+	pmx_gpio_leds: pmx-gpio-leds {
+		marvell,pins = "mpp1", "mpp2", "mpp5";
+		marvell,function = "gpio";
+	};
+
+	pmx_gpio_misc: pmx-gpio-misc {
+		/* set marvell,pins in board file */
+		marvell,function = "gpio";
+	};
+
+	pmx_power_off: pmx-power-off {
+		marvell,pins = "mpp8";
+		marvell,function = "gpio";
+	};
+
+	pmx_gpio_keys: pmx-gpio-keys {
+		marvell,pins = "mpp9", "mpp10";
+		marvell,function = "gpio";
+	};
+
+	pmx_ge: pmx-ge {
+		marvell,function = "ge";
+	};
+};
+
+&sata {
+	pinctrl-0 = <&pmx_sata0 &pmx_sata1>;
+	pinctrl-names = "default";
+	status = "okay";
+	nr-ports = <2>;
+};
+
+&pciec {
+	status = "okay";
+};
+
+&pcie0 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
new file mode 100644
index 000000000000..235cc842f289
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@....kapsi.fi>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "orion5x-mv88f5181.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+	model = "D-Link DNS-323 rev A1";
+	compatible = "dlink,dns323a1", "dlink,dns323", "marvell,orion5x-88f5181",
+		     "marvell,orion5x";
+};
+
+/delete-node/ &sata;
+
+&gpio0 {
+	pinctrl-0 = <&pmx_gpio_misc>;
+	pinctrl-names = "default";
+
+	/* The DNS323 rev A1 power LED requires GPIO 4 to be low. */
+	pin_gpio0_4 {
+		gpio-hog;
+		gpios = <4 GPIO_ACTIVE_LOW>;
+		output-high;
+		line-name = "Power led enable";
+	};
+};
+
+&pmx_gpio_misc {
+	marvell,pins = "mpp4";
+};
+
+&pmx_ge {
+	marvell,pins = "mpp11", "mpp12", "mpp13", "mpp14", "mpp15",
+		       "mpp16", "mpp17", "mpp18", "mpp19";
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
new file mode 100644
index 000000000000..e01ba809ffca
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@....kapsi.fi>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "orion5x-mv88f5182.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+	model = "D-Link DNS-323 rev B1";
+	compatible = "dlink,dns323b1", "dlink,dns323", "marvell,orion5x-88f5182",
+		     "marvell,orion5x";
+};
+
+&gpio0 {
+	pinctrl-0 = <&pmx_gpio_misc>;
+	pinctrl-names = "default";
+
+	/* The rev B1 has a flag to indicate the system is up.
+	 * Without this flag set, power LED will flash and cannot be
+	 * controlled via gpio-leds.
+	 */
+	pin_gpio0_3 {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_LOW>;
+		output-high;
+		line-name = "System up";
+	};
+};
+
+&pmx_gpio_misc {
+	marvell,pins = "mpp3";
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts
new file mode 100644
index 000000000000..c24da08bdc8f
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@....kapsi.fi>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "orion5x-mv88f5182.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+	model = "D-Link DNS-323 rev C1";
+	compatible = "dlink,dns323c1", "dlink,dns323", "marvell,orion5x-88f5182",
+		     "marvell,orion5x";
+
+	fan {
+		compatible = "gpio-fan";
+		pinctrl-0 = <&pmx_gpio_fan>;
+		pinctrl-names = "default";
+
+		gpios = <&gpio0 19 GPIO_ACTIVE_LOW
+			 &gpio0 18 GPIO_ACTIVE_LOW>;
+
+		gpio-fan,speed-map = <0    0
+				      1000 1
+				      2000 2>;
+		alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
+	};
+
+	gpio-keys {
+		/delete-node/ key-1;
+
+		key-0 {
+			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-leds {
+		led-0 {
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+		};
+
+		led-1 {
+			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+		};
+
+		led-2 {
+			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+};
+
+&i2c {
+	/delete-node/ fan@3e;
+};
+
+&pinctrl {
+	/delete-node/ pmx-gpio-misc;
+
+	pmx_gpio_fan: pmx-gpio-fan {
+		marvell,pins = "mpp10", "mpp18", "mpp19";
+		marvell,function = "gpio";
+	};
+};
+
+&pmx_gpio_leds {
+	marvell,pins = "mpp8", "mpp9", "mpp17";
+};
+
+&pmx_power_off {
+	marvell,pins = "mpp2";
+};
+
+&pmx_gpio_keys {
+	marvell,pins = "mpp1";
+};
-- 
2.25.1

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