MIPS: Add basic support for the TL-WR1043ND version 1

Add a DTS for TL-WR1043ND version 1 and allow to have it built in the
kernel to circumvent the broken u-boot found on these boards.
Currently only the UART, LEDs and buttons are supported.

Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Alban Bedel 2015-05-31 02:18:26 +02:00 committed by Ralf Baechle
parent 9db8e9bc04
commit a5fcc6522f
5 changed files with 269 additions and 0 deletions

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@ -71,6 +71,18 @@ config ATH79_MACH_UBNT_XM
Say 'Y' here if you want your kernel to support the
Ubiquiti Networks XM (rev 1.0) board.
choice
prompt "Build a DTB in the kernel"
optional
help
Select a devicetree that should be built into the kernel.
config DTB_TL_WR1043ND_V1
bool "TL-WR1043ND Version 1"
select BUILTIN_DTB
select SOC_AR913X
endchoice
endmenu
config SOC_AR71XX

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@ -4,6 +4,7 @@ dts-dirs += ingenic
dts-dirs += lantiq
dts-dirs += mti
dts-dirs += netlogic
dts-dirs += qca
dts-dirs += ralink
obj-y := $(addsuffix /, $(dts-dirs))

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@ -0,0 +1,11 @@
# All DTBs
dtb-$(CONFIG_ATH79) += ar9132_tl_wr1043nd_v1.dtb
# Select a DTB to build in the kernel
obj-$(CONFIG_DTB_TL_WR1043ND_V1) += ar9132_tl_wr1043nd_v1.dtb.o
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)
clean-files := *.dtb *.dtb.S

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@ -0,0 +1,133 @@
/ {
compatible = "qca,ar9132";
#address-cells = <1>;
#size-cells = <1>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
compatible = "mips,mips24Kc";
reg = <0>;
};
};
cpuintc: interrupt-controller {
compatible = "qca,ar9132-cpu-intc", "qca,ar7100-cpu-intc";
interrupt-controller;
#interrupt-cells = <1>;
qca,ddr-wb-channel-interrupts = <2>, <3>, <4>, <5>;
qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>,
<&ddr_ctrl 0>, <&ddr_ctrl 1>;
};
ahb {
compatible = "simple-bus";
ranges;
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&cpuintc>;
apb {
compatible = "simple-bus";
ranges;
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&miscintc>;
ddr_ctrl: memory-controller@18000000 {
compatible = "qca,ar9132-ddr-controller",
"qca,ar7240-ddr-controller";
reg = <0x18000000 0x100>;
#qca,ddr-wb-channel-cells = <1>;
};
uart@18020000 {
compatible = "ns8250";
reg = <0x18020000 0x20>;
interrupts = <3>;
clocks = <&pll 2>;
clock-names = "uart";
reg-io-width = <4>;
reg-shift = <2>;
no-loopback-test;
status = "disabled";
};
gpio: gpio@18040000 {
compatible = "qca,ar9132-gpio",
"qca,ar7100-gpio";
reg = <0x18040000 0x30>;
interrupts = <2>;
ngpios = <22>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
pll: pll-controller@18050000 {
compatible = "qca,ar9132-ppl",
"qca,ar9130-pll";
reg = <0x18050000 0x20>;
clock-names = "ref";
/* The board must provides the ref clock */
#clock-cells = <1>;
clock-output-names = "cpu", "ddr", "ahb";
};
wdt@18060008 {
compatible = "qca,ar7130-wdt";
reg = <0x18060008 0x8>;
interrupts = <4>;
clocks = <&pll 2>;
clock-names = "wdt";
};
miscintc: interrupt-controller@18060010 {
compatible = "qca,ar9132-misc-intc",
"qca,ar7100-misc-intc";
reg = <0x18060010 0x4>;
interrupt-parent = <&cpuintc>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <1>;
};
};
spi@1f000000 {
compatible = "qca,ar9132-spi", "qca,ar7100-spi";
reg = <0x1f000000 0x10>;
clocks = <&pll 2>;
clock-names = "ahb";
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
};
};

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@ -0,0 +1,112 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "ar9132.dtsi"
/ {
compatible = "tplink,tl-wr1043nd-v1", "qca,ar9132";
model = "TP-Link TL-WR1043ND Version 1";
alias {
serial0 = "/ahb/apb/uart@18020000";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x2000000>;
};
extosc: oscillator {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <40000000>;
};
ahb {
apb {
uart@18020000 {
status = "okay";
};
pll-controller@18050000 {
clocks = <&extosc>;
};
};
spi@1f000000 {
status = "okay";
num-cs = <1>;
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "s25sl064a";
reg = <0>;
spi-max-frequency = <25000000>;
partition@0 {
label = "u-boot";
reg = <0x000000 0x020000>;
};
partition@1 {
label = "firmware";
reg = <0x020000 0x7D0000>;
};
partition@2 {
label = "art";
reg = <0x7F0000 0x010000>;
read-only;
};
};
};
};
gpio-keys {
compatible = "gpio-keys-polled";
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <20>;
button@0 {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
button@1 {
label = "qss";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
};
leds {
compatible = "gpio-leds";
led@0 {
label = "tp-link:green:usb";
gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
};
led@1 {
label = "tp-link:green:system";
gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
led@2 {
label = "tp-link:green:qss";
gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
};
led@3 {
label = "tp-link:green:wlan";
gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
};
};
};