--- /dev/null
+From e6619c1d068dea0d4d29cf770a85bb8bfcfd104b Mon Sep 17 00:00:00 2001
+From: Linus Walleij <linusw@kernel.org>
+Date: Thu, 12 Feb 2026 00:17:53 +0100
+Subject: [PATCH 1/2] ARM: dts: Add a Raidsonic IB-4210-B DTS
+
+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@kernel.org>
+---
+ arch/arm/boot/dts/gemini/Makefile | 1 +
+ arch/arm/boot/dts/gemini/gemini-nas4210b.dts | 205 +++++++++++++++++++
+ 2 files changed, 206 insertions(+)
+ create mode 100644 arch/arm/boot/dts/gemini/gemini-nas4210b.dts
+
+--- 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 \
+--- /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@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@1 {
++ reg = <1>;
++ device_type = "ethernet-phy";
++ };
++ };
++
++ soc {
++ flash@30000000 {
++ status = "okay";
++ /* 16MB of flash */
++ reg = <0x30000000 0x01000000>;
++
++ partitions {
++ compatible = "redboot-fis";
++ /* Eraseblock at 0xfe0000 */
++ fis-index-block = <0x7f>;
++ };
++ };
++
++ syscon: syscon@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@46000000 {
++ cortina,gemini-ata-muxmode = <0>;
++ 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>;
++ };
++
++ ethernet@60000000 {
++ status = "okay";
++
++ ethernet-port@0 {
++ phy-mode = "rgmii";
++ phy-handle = <&phy0>;
++ };
++ ethernet-port@1 {
++ /* Not used in this platform */
++ };
++ };
++
++ ide@63000000 {
++ status = "okay";
++ };
++
++ ide@63400000 {
++ status = "okay";
++ };
++
++ usb@68000000 {
++ status = "okay";
++ };
++
++ usb@69000000 {
++ status = "okay";
++ };
++ };
++};
--- /dev/null
+From fdfaeca6b5eed05e446f298c5e597df39b96629a Mon Sep 17 00:00:00 2001
+From: Linus Walleij <linusw@kernel.org>
+Date: Thu, 12 Feb 2026 00:22:30 +0100
+Subject: [PATCH 2/2] gemini: augment NAS4210 DTS with botched partitions
+
+Same botched partitions as the Raidsonic IB-4220-B.
+
+Signed-off-by: Linus Walleij <linusw@kernel.org>
+---
+ arch/arm/boot/dts/gemini/gemini-nas4210b.dts | 37 ++++++++++++++++++--
+ 1 file changed, 34 insertions(+), 3 deletions(-)
+
+--- a/arch/arm/boot/dts/gemini/gemini-nas4210b.dts
++++ b/arch/arm/boot/dts/gemini/gemini-nas4210b.dts
+@@ -84,10 +84,41 @@
+ /* 16MB of flash */
+ reg = <0x30000000 0x01000000>;
+
++ /*
++ * Override the RedBoot partition table with fixed partitions
++ * in order to create a coherent "firmware" partition so that
++ * we can have optimal flash usage with OpenWrt in a big
++ * MTD-splitted "firmware" partition.
++ */
+ partitions {
+- compatible = "redboot-fis";
+- /* Eraseblock at 0xfe0000 */
+- fis-index-block = <0x7f>;
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++ partition@0 {
++ label = "BOOT";
++ reg = <0x00000000 0x00020000>;
++ read-only;
++ };
++ partition@1 {
++ compatible = "openwrt,executable-prolog";
++ label = "firmware";
++ reg = <0x00020000 0x00f00000>;
++ };
++ partition@2 {
++ label = "VCTL";
++ reg = <0x00f20000 0x00020000>;
++ read-only;
++ };
++ partition@3 {
++ label = "CurConf";
++ reg = <0x00f40000 0x000a0000>;
++ read-only;
++ };
++ partition@4 {
++ label = "FIS directory";
++ reg = <0x00fe0000 0x00020000>;
++ read-only;
++ };
+ };
+ };
+
projects / thirdparty / openwrt.git / commitdiff
