[PATCH 7/8] ARM: dts: Add a Raidsonic IB-4210-B DTS
Linus Walleij
linusw at kernel.org
Fri Feb 27 16:05:47 PST 2026
This adds a device tree for the Raidsonic IB-4210-B NAS, a slightly
under-powered version of IB-4220-B with half the memory and
the cheaper version of the SoC.
Signed-off-by: Linus Walleij <linusw at kernel.org>
---
arch/arm/boot/dts/gemini/Makefile | 1 +
arch/arm/boot/dts/gemini/gemini-nas4210b.dts | 205 +++++++++++++++++++++++++++
2 files changed, 206 insertions(+)
diff --git a/arch/arm/boot/dts/gemini/Makefile b/arch/arm/boot/dts/gemini/Makefile
index d5d32f02e232..4722fb1bac49 100644
--- a/arch/arm/boot/dts/gemini/Makefile
+++ b/arch/arm/boot/dts/gemini/Makefile
@@ -2,6 +2,7 @@
dtb-$(CONFIG_ARCH_GEMINI) += \
gemini-dlink-dir-685.dtb \
gemini-dlink-dns-313.dtb \
+ gemini-nas4210b.dtb \
gemini-nas4220b.dtb \
gemini-ns2502.dtb \
gemini-rut1xx.dtb \
diff --git a/arch/arm/boot/dts/gemini/gemini-nas4210b.dts b/arch/arm/boot/dts/gemini/gemini-nas4210b.dts
new file mode 100644
index 000000000000..8bec57c8b7b1
--- /dev/null
+++ b/arch/arm/boot/dts/gemini/gemini-nas4210b.dts
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for the Gemini-based Raidsonic NAS IB-4210-B
+ * Based on the NAS Forum experiments by user "CptSpock".
+ */
+
+/dts-v1/;
+
+#include "gemini.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Raidsonic NAS IB-4210-B";
+ compatible = "raidsonic,ib-4210-b", "cortina,gemini";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory at 0 { /* 64 MB */
+ device_type = "memory";
+ reg = <0x00000000 0x4000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
+ stdout-path = &uart0;
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+
+ button-setup {
+ debounce-interval = <100>;
+ wakeup-source;
+ linux,code = <KEY_SETUP>;
+ label = "Backup button";
+ /* Conflict with TVC */
+ gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
+ };
+ button-restart {
+ debounce-interval = <100>;
+ wakeup-source;
+ linux,code = <KEY_RESTART>;
+ label = "Softreset button";
+ /* Conflict with TVC */
+ gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-orange-hdd {
+ label = "nas4220b:orange:hdd";
+ /* Conflict with TVC */
+ gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "disk-activity";
+ };
+ led-green-os {
+ label = "nas4220b:green:os";
+ /* Conflict with TVC */
+ gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ mdio0: mdio {
+ compatible = "virtual,mdio-gpio";
+ gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+ <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Realtek RTL8211B */
+ phy0: ethernet-phy at 1 {
+ reg = <1>;
+ device_type = "ethernet-phy";
+ };
+ };
+
+ soc {
+ flash at 30000000 {
+ status = "okay";
+ /* 16MB of flash */
+ reg = <0x30000000 0x01000000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0xfe0000 */
+ fis-index-block = <0x7f>;
+ };
+ };
+
+ syscon: syscon at 40000000 {
+ pinctrl {
+ gpio0_default_pins: pinctrl-gpio0 {
+ mux {
+ function = "gpio0";
+ groups =
+ "gpio0egrp",
+ /* Used by MDIO */
+ "gpio0igrp";
+ };
+ };
+ gpio1_default_pins: pinctrl-gpio1 {
+ mux {
+ function = "gpio1";
+ /* Lines 28-31 used by LEDs and buttons */
+ groups = "gpio1dgrp";
+ };
+ };
+ pinctrl-gmii {
+ mux {
+ function = "gmii";
+ groups = "gmii_gmac0_grp";
+ };
+ conf0 {
+ pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV";
+ skew-delay = <0>;
+ };
+ conf1 {
+ pins = "T8 GMAC0 RXC";
+ skew-delay = <10>;
+ };
+ conf2 {
+ pins = "T11 GMAC1 RXC";
+ skew-delay = <15>;
+ };
+ conf3 {
+ pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN";
+ skew-delay = <7>;
+ };
+ conf4 {
+ pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC";
+ skew-delay = <10>;
+ };
+ conf5 {
+ /* The data lines all have default skew */
+ pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
+ "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
+ "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
+ "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
+ "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
+ "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
+ skew-delay = <7>;
+ };
+ conf6 {
+ pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
+ "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
+ skew-delay = <5>;
+ };
+ /* Set up drive strength on GMAC0 to 16 mA */
+ conf7 {
+ groups = "gmii_gmac0_grp";
+ drive-strength = <16>;
+ };
+ };
+ };
+ };
+
+ sata: sata at 46000000 {
+ cortina,gemini-ata-muxmode = <0>;
+ cortina,gemini-enable-sata-bridge;
+ status = "okay";
+ };
+
+ gpio0: gpio at 4d000000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio0_default_pins>;
+ };
+
+ gpio1: gpio at 4e000000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio1_default_pins>;
+ };
+
+ ethernet at 60000000 {
+ status = "okay";
+
+ ethernet-port at 0 {
+ phy-mode = "rgmii";
+ phy-handle = <&phy0>;
+ };
+ ethernet-port at 1 {
+ /* Not used in this platform */
+ };
+ };
+
+ ide at 63000000 {
+ status = "okay";
+ };
+
+ ide at 63400000 {
+ status = "okay";
+ };
+
+ usb at 68000000 {
+ status = "okay";
+ };
+
+ usb at 69000000 {
+ status = "okay";
+ };
+ };
+};
--
2.53.0
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