[RFC v5 05/15] MIPS: dts: qca: introduce AR9331 devicetree

Antony Pavlov
2016-02-09T08:13:51Z

This patch introduces devicetree for Atheros AR9331 SoC (AKA Hornet).
The AR9331 chip is a Wi-Fi System-On-Chip (WiSOC),
typically used in very cheap Access Points and Routers.

Signed-off-by: Antony Pavlov <antonynpavlov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Gabor Juhos <juhosg-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>
Cc: Alban Bedel <albeu-GANU6spQydw@public.gmane.org>
Cc: linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
arch/mips/boot/dts/qca/ar9331.dtsi | 157 +++++++++++++++++++++++++++++++++++++
1 file changed, 157 insertions(+)

diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
new file mode 100644
index 0000000..333c7ff
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -0,0 +1,157 @@
+#include <dt-bindings/clock/ath79-clk.h>
+
+/ {
+ compatible = "qca,ar9331";
+
+ #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,ar7100-cpu-intc";
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ qca,ddr-wb-channel-interrupts = <2>, <3>;
+ qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>;
+ };
+
+ ref: ref {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ 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,ar7240-ddr-controller";
+ reg = <0x18000000 0x100>;
+
+ #qca,ddr-wb-channel-cells = <1>;
+ };
+
+ uart: uart@18020000 {
+ compatible = "qca,ar9330-uart";
+ reg = <0x18020000 0x14>;
+
+ interrupts = <3>;
+
+ clocks = <&pll ATH79_CLK_UART>;
+ clock-names = "uart";
+
+ status = "disabled";
+ };
+
+ gpio: gpio@18040000 {
+ compatible = "qca,ar7100-gpio";
+ reg = <0x18040000 0x34>;
+ interrupts = <2>;
+
+ ngpios = <30>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ status = "disabled";
+ };
+
+ pll: pll-controller@18050000 {
+ compatible = "qca,ar9330-pll";
+ reg = <0x18050000 0x100>;
+
+ clocks = <&ref>;
+ clock-names = "ref";
+
+ #clock-cells = <1>;
+ };
+
+ miscintc: interrupt-controller@18060010 {
+ compatible = "qca,ar7240-misc-intc";
+ reg = <0x18060010 0x4>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <6>;
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ rst: reset-controller@1806001c {
+ compatible = "qca,ar7100-reset";
+ reg = <0x1806001c 0x4>;
+
+ #reset-cells = <1>;
+ };
+
+ usb: usb@1b000100 {
+ compatible = "qca,ar7100-ehci", "generic-ehci";
+ reg = <0x1b000100 0x100>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <3>;
+ resets = <&rst 5>;
+
+ has-transaction-translator;
+
+ phy-names = "usb";
+ phys = <&usb_phy>;
+
+ status = "disabled";
+ };
+
+ spi: spi@1f000000 {
+ compatible = "qca,ar7100-spi";
+ reg = <0x1f000000 0x10>;
+
+ clocks = <&pll ATH79_CLK_AHB>;
+ clock-names = "ahb";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+ };
+ };
+ };
+
+ usb_phy: usb-phy {
+ compatible = "qca,ar7100-usb-phy";
+
+ reset-names = "usb-phy", "usb-suspend-override";
+ resets = <&rst 4>, <&rst 3>;
+
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
+};
--
2.7.0