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2f5a242f67
Previously the dts were using a value determined by empirical testing, because of a spi driver/clock bug. The bug was fixed quite some time ago. 33 MHz is the default clock frequency used by RouterBOOT and thus safe. Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
197 lines
3.2 KiB
Plaintext
197 lines
3.2 KiB
Plaintext
/dts-v1/;
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#include "mt7621.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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/ {
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compatible = "mikrotik,routerboard-m33g", "mediatek,mt7621-soc";
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model = "MikroTik RouterBOARD M33G";
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aliases {
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led-boot = &led_usr;
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led-failsafe = &led_usr;
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led-running = &led_usr;
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led-upgrade = &led_usr;
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};
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chosen {
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bootargs = "console=ttyS0,115200";
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};
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leds {
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compatible = "gpio-leds";
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led_usr: usr {
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label = "routerboard-m33g:green:usr";
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gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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};
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};
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keys {
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compatible = "gpio-keys";
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res {
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label = "res";
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gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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};
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pcie0_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "pcie0_vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio 9 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-boot-on;
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regulator-always-on;
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};
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pcie1_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "pcie1_vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio 10 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-boot-on;
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regulator-always-on;
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};
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pcie2_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "pcie2_vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio 11 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-boot-on;
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regulator-always-on;
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};
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usb_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "usb_vcc";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio 12 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-always-on;
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};
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};
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&spi0 {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <33000000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "RouterBoot";
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reg = <0x0 0x40000>;
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read-only;
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compatible = "mikrotik,routerboot-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "bootloader1";
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reg = <0x0 0x0>;
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read-only;
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};
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hard_config: hard_config {
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read-only;
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};
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partition@10000 {
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label = "bootloader2";
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reg = <0x10000 0xf000>;
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read-only;
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};
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soft_config {
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};
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partition@30000 {
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label = "bios";
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reg = <0x30000 0x1000>;
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read-only;
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};
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};
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};
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};
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flash@1 {
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compatible = "jedec,spi-nor";
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reg = <1>;
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spi-max-frequency = <33000000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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// Region <0x0 0x40000> seems reserved by OEM
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partition@40000 {
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compatible = "mikrotik,minor";
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label = "firmware";
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reg = <0x040000 0xFC0000>;
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};
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};
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};
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};
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&switch0 {
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ports {
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port@0 {
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status = "okay";
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label = "wan";
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};
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port@1 {
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status = "okay";
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label = "lan1";
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};
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port@2 {
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status = "okay";
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label = "lan2";
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};
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};
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};
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&state_default {
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gpio {
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groups = "uart2", "wdt";
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function = "gpio";
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};
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};
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&sdhci {
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status = "okay";
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};
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&i2c {
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status = "okay";
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};
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&pcie {
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status = "okay";
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};
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