--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include "mt7629.dtsi"
+
+/ {
+ model = "ipTIME A6004MX";
+ compatible = "iptime,a6004mx", "mediatek,mt7629";
+
+ aliases {
+ led-boot = &led_cpu;
+ led-failsafe = &led_cpu;
+ led-running = &led_cpu;
+ led-upgrade = &led_cpu;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ bootargs-override = "console=ttyS0,115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_cpu: cpu {
+ label = "orange:cpu";
+ gpios = <&pio 57 GPIO_ACTIVE_LOW>;
+ };
+
+ wlan5g {
+ label = "orange:wlan5g";
+ gpios = <&pio 22 GPIO_ACTIVE_LOW>;
+ // linux,default-trigger = "phy0radio";
+ };
+
+ wlan2g {
+ label = "orange:wlan2g";
+ gpios = <&pio 21 GPIO_ACTIVE_LOW>;
+ // linux,default-trigger = "phy1radio";
+ };
+
+ wan {
+ label = "orange:wan";
+ gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "factory";
+ linux,code = <KEY_RESTART>;
+ gpios = <&pio 60 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "wps";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&pio 58 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0x40000000 0x10000000>;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_5v: regulator-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+ð {
+ pinctrl-names = "default";
+ pinctrl-0 = <ð_pins>;
+ pinctrl-1 = <&ephy_leds_pins>;
+ status = "okay";
+
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "2500base-x";
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+ mac-address-increment = <3>;
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ gmac1: mac@1 {
+ compatible = "mediatek,eth-mac";
+ reg = <1>;
+ phy-mode = "gmii";
+ phy-handle = <&phy0>;
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+ mac-address-increment = <1>;
+ };
+
+ mdio: mdio-bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ switch@2 {
+ compatible = "mediatek,mt7531";
+ reg = <2>;
+ reset-gpios = <&pio 28 0>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&pio>;
+ interrupts = <6 IRQ_TYPE_LEVEL_HIGH>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan1";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan2";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan3";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan4";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+ };
+ };
+};
+
+&bch {
+ status = "okay";
+};
+
+&snfi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&serial_nand_pins>;
+ status = "okay";
+ flash@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ nand-ecc-engine = <&snfi>;
+ mediatek,bmt-v2;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "Bootloader";
+ reg = <0x0 0x100000>;
+ read-only;
+ };
+
+ partition@100000 {
+ label = "Config";
+ reg = <0x100000 0x40000>;
+ };
+
+ partition@140000 {
+ label = "factory";
+ reg = <0x140000 0x80000>;
+ read-only;
+
+ compatible = "nvmem-cells";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ macaddr_factory_4: macaddr@4 {
+ reg = <0x4 0x6>;
+ };
+ };
+
+ partition@1c0000 {
+ label = "firmware";
+ reg = <0x1c0000 0x7400000>;
+ compatible = "denx,fit";
+ openwrt,fit-offset = <0x800>;
+ };
+ };
+ };
+};
+
+&pio {
+ eth_pins: eth-pins {
+ mux {
+ function = "eth";
+ groups = "mdc_mdio";
+ };
+ };
+
+ ephy_leds_pins: ephy-leds-pins {
+ mux {
+ function = "led";
+ groups = "ephy_leds";
+ };
+ };
+
+ /* Serial NAND is shared pin with SPI-NOR */
+ serial_nand_pins: serial-nand-pins {
+ mux {
+ function = "flash";
+ groups = "snfi";
+ };
+ };
+
+ uart0_pins: uart0-pins {
+ mux {
+ function = "uart";
+ groups = "uart0_txd_rxd" ;
+ };
+ };
+
+ watchdog_pins: watchdog-pins {
+ mux {
+ function = "watchdog";
+ groups = "watchdog";
+ };
+ };
+};
+
+&ssusb {
+ vusb33-supply = <®_3p3v>;
+ vbus-supply = <®_5v>;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ pinctrl-names = "default";
+ pinctrl-0 = <&watchdog_pins>;
+ status = "okay";
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&pio>;
+ interrupts = <GIC_SPI 0x80 IRQ_TYPE_EDGE_FALLING>;
+};
--- /dev/null
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -1794,6 +1794,14 @@ config ARM_ATAG_DTB_COMPAT_CMDLINE_MANGL
+
+ endchoice
+
++config CMDLINE_OVERRIDE
++ bool "Use alternative cmdline from device tree"
++ help
++ Some bootloaders may have uneditable bootargs. While CMDLINE_FORCE can
++ be used, this is not a good option for kernels that are shared across
++ devices. This setting enables using "chosen/cmdline-override" as the
++ cmdline if it exists in the device tree.
++
+ config CMDLINE
+ string "Default kernel command string"
+ default ""
+--- a/drivers/of/fdt.c
++++ b/drivers/of/fdt.c
+@@ -1059,6 +1059,17 @@ int __init early_init_dt_scan_chosen(uns
+ if (p != NULL && l > 0)
+ strlcat(data, p, min_t(int, strlen(data) + (int)l, COMMAND_LINE_SIZE));
+
++ /* CONFIG_CMDLINE_OVERRIDE is used to fallback to a different
++ * device tree option of chosen/bootargs-override. This is
++ * helpful on boards where u-boot sets bootargs, and is unable
++ * to be modified.
++ */
++#ifdef CONFIG_CMDLINE_OVERRIDE
++ p = of_get_flat_dt_prop(node, "bootargs-override", &l);
++ if (p != NULL && l > 0)
++ strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
++#endif
++
+ /*
+ * CONFIG_CMDLINE is meant to be a default in case nothing else
+ * managed to set the command line, unless CONFIG_CMDLINE_FORCE
projects / openwrt / openwrt.git / commitdiff