MIPS: dts: qca: introduce AR9331 devicetree
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@gmail.com> Cc: Gabor Juhos <juhosg@openwrt.org> Cc: Alban Bedel <albeu@free.fr> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12878/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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arch/mips/boot/dts/qca/ar9331.dtsi
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arch/mips/boot/dts/qca/ar9331.dtsi
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#include <dt-bindings/clock/ath79-clk.h>
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/ {
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compatible = "qca,ar9331";
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#address-cells = <1>;
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#size-cells = <1>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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device_type = "cpu";
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compatible = "mips,mips24Kc";
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clocks = <&pll ATH79_CLK_CPU>;
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reg = <0>;
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};
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};
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cpuintc: interrupt-controller {
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compatible = "qca,ar7100-cpu-intc";
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interrupt-controller;
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#interrupt-cells = <1>;
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qca,ddr-wb-channel-interrupts = <2>, <3>;
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qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>;
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};
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ref: ref {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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};
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ahb {
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compatible = "simple-bus";
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ranges;
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&cpuintc>;
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apb {
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compatible = "simple-bus";
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ranges;
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&miscintc>;
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ddr_ctrl: memory-controller@18000000 {
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compatible = "qca,ar7240-ddr-controller";
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reg = <0x18000000 0x100>;
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#qca,ddr-wb-channel-cells = <1>;
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};
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uart: uart@18020000 {
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compatible = "qca,ar9330-uart";
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reg = <0x18020000 0x14>;
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interrupts = <3>;
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clocks = <&ref>;
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clock-names = "uart";
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status = "disabled";
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};
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gpio: gpio@18040000 {
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compatible = "qca,ar7100-gpio";
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reg = <0x18040000 0x34>;
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interrupts = <2>;
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ngpios = <30>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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status = "disabled";
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};
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pll: pll-controller@18050000 {
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compatible = "qca,ar9330-pll";
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reg = <0x18050000 0x100>;
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clocks = <&ref>;
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clock-names = "ref";
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#clock-cells = <1>;
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};
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miscintc: interrupt-controller@18060010 {
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compatible = "qca,ar7240-misc-intc";
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reg = <0x18060010 0x4>;
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interrupt-parent = <&cpuintc>;
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interrupts = <6>;
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interrupt-controller;
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#interrupt-cells = <1>;
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};
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rst: reset-controller@1806001c {
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compatible = "qca,ar7100-reset";
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reg = <0x1806001c 0x4>;
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#reset-cells = <1>;
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};
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};
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usb: usb@1b000100 {
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compatible = "chipidea,usb2";
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reg = <0x1b000000 0x200>;
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interrupts = <3>;
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resets = <&rst 5>;
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phy-names = "usb-phy";
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phys = <&usb_phy>;
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status = "disabled";
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};
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spi: spi@1f000000 {
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compatible = "qca,ar7100-spi";
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reg = <0x1f000000 0x10>;
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clocks = <&pll ATH79_CLK_AHB>;
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clock-names = "ahb";
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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};
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};
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usb_phy: usb-phy {
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compatible = "qca,ar7100-usb-phy";
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reset-names = "usb-phy", "usb-suspend-override";
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resets = <&rst 4>, <&rst 3>;
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#phy-cells = <0>;
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status = "disabled";
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};
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};
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