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Message-Id: <1429878395-15554-1-git-send-email-albeu@free.fr>
Date: Fri, 24 Apr 2015 14:26:35 +0200
From: Alban Bedel <albeu@...e.fr>
To: linux-mips@...ux-mips.org
Cc: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Ralf Baechle <ralf@...ux-mips.org>,
Alban Bedel <albeu@...e.fr>,
Andrew Bresticker <abrestic@...omium.org>,
Qais Yousef <qais.yousef@...tec.com>,
Gabor Juhos <juhosg@...nwrt.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 12/12] 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@...e.fr>
---
v2: * Rebased for the new vendor directory structure
* Merged the 2 separate patch for SoC dtsi and board DTS in a
single one
* Fixed the node names to use ePAPR standardized names
v3: * Moved adding the Kconfig Builtin devicetree menu to this patch
* Set the Kconfig builtin DTB menu as optional, removed config
DTB_ATH79_NONE and slightly improved the menu name and help
message.
---
arch/mips/ath79/Kconfig | 12 +++
arch/mips/boot/dts/Makefile | 1 +
arch/mips/boot/dts/qca/Makefile | 9 ++
arch/mips/boot/dts/qca/ar9132.dtsi | 121 +++++++++++++++++++++++
arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts | 83 ++++++++++++++++
5 files changed, 226 insertions(+)
create mode 100644 arch/mips/boot/dts/qca/Makefile
create mode 100644 arch/mips/boot/dts/qca/ar9132.dtsi
create mode 100644 arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index dfc6020..13c04cf 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -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
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 5d95e4b..9975485 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -3,6 +3,7 @@ dts-dirs += cavium-octeon
dts-dirs += lantiq
dts-dirs += mti
dts-dirs += netlogic
+dts-dirs += qca
dts-dirs += ralink
obj-y := $(addsuffix /, $(dts-dirs))
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
new file mode 100644
index 0000000..5f02aa6
--- /dev/null
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -0,0 +1,9 @@
+dtb-$(CONFIG_DTB_TL_WR1043ND_V1) += ar9132_tl_wr1043nd_v1.dtb
+
+obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
+
+# Force kbuild to make empty built-in.o if necessary
+obj- += dummy.o
+
+always := $(dtb-y)
+clean-files := *.dtb *.dtb.S
diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi
new file mode 100644
index 0000000..c05b65c2
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9132.dtsi
@@ -0,0 +1,121 @@
+/ {
+ 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@...00000 {
+ compatible = "qca,ar9132-ddr-controller",
+ "qca,ar7240-ddr-controller";
+ reg = <0x18000000 0x100>;
+
+ #qca,ddr-wb-channel-cells = <1>;
+ };
+
+ uart@...20000 {
+ 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@...40000 {
+ 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@...50000 {
+ 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@...60008 {
+ compatible = "qca,ar7130-wdt";
+ reg = <0x18060008 0x8>;
+
+ interrupts = <4>;
+
+ clocks = <&pll 2>;
+ clock-names = "wdt";
+ };
+
+ miscintc: interrupt-controller@...60010 {
+ compatible = "qca,ar9132-misc-intc",
+ "qca,ar7100-misc-intc";
+ reg = <0x18060010 0x4>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <6>;
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
new file mode 100644
index 0000000..ab36c7c
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
@@ -0,0 +1,83 @@
+/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@...20000";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x2000000>;
+ };
+
+ extosc: oscillator {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <40000000>;
+ };
+
+ ahb {
+ apb {
+ uart@...20000 {
+ status = "okay";
+ };
+
+ pll-controller@...50000 {
+ clocks = <&extosc>;
+ };
+ };
+ };
+
+ 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>;
+ };
+ };
+};
--
2.0.0
--
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