Openwrt/target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi
Daniel Golle 53a7d5d614 ath79: fix RS-485 on Teltonika RUT-955
DTR GPIO isn't actually needed and triggers boot warning.
TX pin was off by one (GPIO 19 instead of GPIO 18).

Reported-by: @tophirsch
Fixes: d1130ad265 ("ath79: add support for Teltonika RUT955")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2021-03-17 17:41:24 +00:00

174 lines
2.9 KiB
Plaintext

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "ar9344.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
compatible = "teltonika,rut9xx", "qca,ar9344";
aliases {
serial1 = &hs_uart;
label-mac-device = &eth1;
};
i2c0: i2c {
compatible = "i2c-gpio";
scl-gpios = <&gpio 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio 17 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
#address-cells = <1>;
#size-cells = <0>;
hwmon@4d {
compatible = "microchip,mcp3221";
reg = <0x4d>;
};
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
};
};
&ref {
clock-frequency = <40000000>;
};
&hs_uart {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pmx_uart2>;
rts-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
rs485-rts-active-low;
linux,rs485-enabled-at-boot-time;
};
&spi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pmx_spi>;
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <25000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "u-boot";
reg = <0x0 0x20000>;
read-only;
};
config: partition@20000 {
label = "config";
reg = <0x20000 0x10000>;
read-only;
};
art: partition@30000 {
label = "art";
reg = <0x30000 0x10000>;
read-only;
};
partition@40000 {
label = "firmware";
reg = <0x40000 0xf30000>;
compatible = "tplink,firmware";
};
partition@f70000 {
label = "event-log";
reg = <0xf70000 0x90000>;
read-only;
};
};
};
microsd@1 {
status = "disabled";
compatible = "mmc-spi-slot";
spi-max-frequency = <25000000>;
reg = <1>;
voltage-ranges = <3200 3400>;
broken-cd;
};
};
&usb {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
port@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
port@1 {
compatible = "usb-a-connector";
reg = <1>;
};
port@3 {
label = "RS-232 serial adapter";
reg = <3>;
};
port@4 {
label = "internal wwan modem";
reg = <4>;
};
};
};
&usb_phy {
status = "okay";
};
&wmac {
status = "okay";
mtd-cal-data = <&art 0x1000>;
mtd-mac-address = <&config 0x0>;
mtd-mac-address-increment = <2>;
};
&pinmux {
pmx_spi: spi {
// SPI_CS1 on GPIO 3
pinctrl-single,bits = <0x0 0x07000000 0xff000000>;
};
pmx_leds_switch: leds_switch {
// switch port LEDs on GPIO 1, GPIO 13, GPIO 14 and GPIO 22
pinctrl-single,bits = <0x00 0x00002d00 0x0000ff00>,
<0x0c 0x002c2b00 0x00ffff00>,
<0x14 0x002a0000 0x00ff0000>;
};
pmx_uart2: uart2 {
// UART1_DTR on GPIO 0, UART1_RD on GPIO 11, UART1_TD on GPIO 18
pinctrl-single,bits = <0x00 0x00000000 0x000000ff>,
<0x10 0x004f0000 0x00ff0000>,
<0x3c 0x000b0000 0x00ff0000>;
};
};