c8b309b53d
Split device-tree of Teltonika RUT955 into a generic RUT9xx part and a part specific to that version of RUT955 already supported. Also harmonize GPIO and LED names with what is used by the vendor firmware and assign RS485 DTR signal. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
180 lines
3.0 KiB
Plaintext
180 lines
3.0 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include "ar9344.dtsi"
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/ {
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compatible = "teltonika,rut9xx", "qca,ar9344";
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aliases {
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serial0 = &uart;
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serial1 = &hs_uart;
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label-mac-device = ð1;
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};
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i2c0: i2c {
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compatible = "i2c-gpio";
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scl-gpios = <&gpio 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
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sda-gpios = <&gpio 17 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
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#address-cells = <1>;
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#size-cells = <0>;
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hwmon@4d {
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compatible = "microchip,mcp3221";
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reg = <0x4d>;
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};
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};
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keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
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debounce-interval = <60>;
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};
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};
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};
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&ref {
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clock-frequency = <40000000>;
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};
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&uart {
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status = "okay";
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};
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&hs_uart {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pmx_uart2>;
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rts-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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rs485-rts-active-low;
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linux,rs485-enabled-at-boot-time;
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};
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&spi {
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status = "okay";
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num-cs = <2>;
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pinctrl-names = "default";
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pinctrl-0 = <&pmx_spi>;
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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 = <25000000>;
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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 = "u-boot";
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reg = <0x0 0x20000>;
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read-only;
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};
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config: partition@20000 {
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label = "config";
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reg = <0x20000 0x10000>;
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read-only;
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};
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art: partition@30000 {
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label = "art";
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reg = <0x30000 0x10000>;
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read-only;
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};
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partition@40000 {
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label = "firmware";
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reg = <0x40000 0xf30000>;
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compatible = "tplink,firmware";
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};
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partition@f70000 {
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label = "event-log";
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reg = <0xf70000 0x90000>;
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read-only;
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};
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};
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};
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microsd@1 {
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status = "disabled";
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compatible = "mmc-spi-slot";
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spi-max-frequency = <25000000>;
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reg = <1>;
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voltage-ranges = <3200 3400>;
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broken-cd;
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};
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};
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&usb {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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port@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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port@1 {
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compatible = "usb-a-connector";
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reg = <1>;
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};
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port@3 {
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label = "RS-232 serial adapter";
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reg = <3>;
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};
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port@4 {
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label = "internal wwan modem";
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reg = <4>;
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};
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};
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};
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&usb_phy {
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status = "okay";
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};
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&wmac {
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status = "okay";
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mtd-cal-data = <&art 0x1000>;
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mtd-mac-address = <&config 0x0>;
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mtd-mac-address-increment = <2>;
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};
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&pinmux {
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pmx_spi: spi {
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// SPI_CS1 on GPIO 3
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pinctrl-single,bits = <0x0 0x07000000 0xff000000>;
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};
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pmx_leds_switch: leds_switch {
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// switch port LEDs on GPIO 1, GPIO 13, GPIO 14 and GPIO 22
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pinctrl-single,bits = <0x0 0x00002d00 0x0000ff00>,
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<0xc 0x002c2b00 0x00ffff00>,
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<0x14 0x002a0000 0x00ff0000>;
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};
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pmx_uart2: uart2 {
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// UART1_DTR on GPIO 0, UART1_RD on GPIO 11, UART1_TD on GPIO 18
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pinctrl-single,bits = <0x0 0x0 0xff>,
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<0x10 0x4f000000 0xff000000>,
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<0x3c 0x000b0000 0x00ff0000>;
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};
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};
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