ath79: split Teltonika RUT955 to support other RUT9xx models

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>
This commit is contained in:
Daniel Golle 2020-04-28 18:19:48 +01:00
parent 447d335d00
commit c8b309b53d
2 changed files with 198 additions and 171 deletions

View File

@ -1,63 +1,44 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "ar9344.dtsi"
#include "ar9344_teltonika_rut9xx.dtsi"
/ {
model = "Teltonika RUT955";
compatible = "teltonika,rut955", "qca,ar9344";
compatible = "teltonika,rut955", "teltonika,rut9xx", "qca,ar9344";
aliases {
serial0 = &uart;
serial1 = &hs_uart;
led-boot = &led_system_green;
led-failsafe = &led_system_red;
led-running = &led_system_green;
led-upgrade = &led_system_red;
label-mac-device = &eth1;
};
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>;
};
};
leds {
compatible = "gpio-leds";
signal0 {
label = "rut955:green:signal0";
gpios = <&gpio_ext 0 GPIO_ACTIVE_HIGH>;
};
signal1 {
label = "rut955:green:signal1";
gpios = <&gpio_ext 0 GPIO_ACTIVE_HIGH>;
gpios = <&gpio_ext 1 GPIO_ACTIVE_HIGH>;
};
signal2 {
label = "rut955:green:signal2";
gpios = <&gpio_ext 1 GPIO_ACTIVE_HIGH>;
gpios = <&gpio_ext 2 GPIO_ACTIVE_HIGH>;
};
signal3 {
label = "rut955:green:signal3";
gpios = <&gpio_ext 2 GPIO_ACTIVE_HIGH>;
gpios = <&gpio_ext 3 GPIO_ACTIVE_HIGH>;
};
signal4 {
label = "rut955:green:signal4";
gpios = <&gpio_ext 3 GPIO_ACTIVE_HIGH>;
};
signal5 {
label = "rut955:green:signal5";
gpios = <&gpio_ext 4 GPIO_ACTIVE_HIGH>;
};
@ -72,17 +53,6 @@
default-state = "on";
};
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
};
};
&gpio {
@ -169,83 +139,12 @@
};
};
&ref {
clock-frequency = <40000000>;
};
&uart {
status = "okay";
};
&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";
num-cs = <3>;
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;
};
pinctrl-0 = <&pmx_spi>, <&pmx_spi_ext>;
gpio_ext: gpio_ext@2 {
compatible = "fairchild,74hc595";
@ -254,51 +153,16 @@
#gpio-cells = <2>;
registers-number = <2>;
spi-max-frequency = <10000000>;
gpio-line-names = "led_signal_bar1", "led_signal_bar2", "led_signal_bar3", "led_signal_bar4",
"led_signal_bar5", "led_status_red", "led_status_green", "sim_sel",
gpio-line-names = "signal_bar0", "signal_bar1", "signal_bar2", "signal_bar3",
"signal_bar4", "status_red", "status_green", "sim_sel",
"DOUT1", "DOUT2", "modem_vbus", "modem_rst",
"DOUT3", "RS485_R", "SDCS", "HWRST";
};
};
&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>;
};
&hs_uart {
dtr-gpios = <&gpio_ext 13 GPIO_ACTIVE_HIGH>;
}
&eth0 {
status = "okay";
@ -321,26 +185,10 @@
};
&pinmux {
pmx_spi: spi {
// SPI_CS1 on GPIO 3, 2nd SCK on GPIO 4
// 2nd MOSI on GPIO 12, SPI_CS2 on GPIO 20
pinctrl-single,bits = <0x0 0x07000000 0xff000000>,
<0x4 0x0a 0xff>,
pmx_spi_ext: spi_ext {
// 2nd SCK on GPIO 4, 2nd MOSI on GPIO 12, SPI_CS2 on GPIO 20
pinctrl-single,bits = <0x4 0x0a 0xff>,
<0xc 0x0b 0xff>,
<0x14 0x08 0xff>;
};
pmx_leds_switch: leds_switch {
// switch port LEDs on GPIO 1, GPIO 13, GPIO 14 and GPIO 22
pinctrl-single,bits = <0x0 0x00002d00 0x0000ff00>,
<0xc 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 = <0x0 0x0 0xff>,
<0x10 0x4f000000 0xff000000>,
<0x3c 0x000b0000 0x00ff0000>;
};
};

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@ -0,0 +1,179 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "ar9344.dtsi"
/ {
compatible = "teltonika,rut9xx", "qca,ar9344";
aliases {
serial0 = &uart;
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>;
};
&uart {
status = "okay";
};
&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";
num-cs = <2>;
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 = <0x0 0x00002d00 0x0000ff00>,
<0xc 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 = <0x0 0x0 0xff>,
<0x10 0x4f000000 0xff000000>,
<0x3c 0x000b0000 0x00ff0000>;
};
};