131 lines
2.6 KiB
Plaintext
131 lines
2.6 KiB
Plaintext
/*
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* Based on Mans Rullgard's Tango3 DT
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* https://github.com/mansr/linux-tangox
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*/
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#define CPU_CLK 0
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#define SYS_CLK 1
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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/ {
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interrupt-parent = <&gic>;
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#address-cells = <1>;
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#size-cells = <1>;
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periph_clk: periph_clk {
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compatible = "fixed-factor-clock";
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clocks = <&clkgen CPU_CLK>;
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clock-mult = <1>;
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clock-div = <2>;
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#clock-cells = <0>;
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};
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mpcore {
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compatible = "simple-bus";
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ranges = <0x00000000 0x20000000 0x2000>;
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#address-cells = <1>;
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#size-cells = <1>;
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scu@0 {
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compatible = "arm,cortex-a9-scu";
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reg = <0x0 0x100>;
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};
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twd@600 {
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compatible = "arm,cortex-a9-twd-timer";
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reg = <0x600 0x10>;
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interrupts = <GIC_PPI 13 IRQ_TYPE_EDGE_RISING>;
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clocks = <&periph_clk>;
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always-on;
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};
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gic: interrupt-controller@1000 {
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compatible = "arm,cortex-a9-gic";
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#interrupt-cells = <3>;
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interrupt-controller;
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reg = <0x1000 0x1000>, <0x100 0x100>;
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};
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};
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l2cc: l2-cache-controller@20100000 {
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compatible = "arm,pl310-cache";
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reg = <0x20100000 0x1000>;
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cache-level = <2>;
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cache-unified;
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};
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soc {
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compatible = "simple-bus";
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interrupt-parent = <&irq0>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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xtal: xtal {
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compatible = "fixed-clock";
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clock-frequency = <27000000>;
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#clock-cells = <0>;
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};
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clkgen: clkgen@10000 {
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compatible = "sigma,tango4-clkgen";
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reg = <0x10000 0x40>;
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clocks = <&xtal>;
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#clock-cells = <1>;
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};
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tick-counter@10048 {
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compatible = "sigma,tick-counter";
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reg = <0x10048 0x4>;
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clocks = <&xtal>;
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};
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uart: serial@10700 {
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compatible = "ralink,rt2880-uart";
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reg = <0x10700 0x30>;
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interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
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clock-frequency = <7372800>;
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reg-shift = <2>;
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};
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eth0: ethernet@26000 {
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compatible = "sigma,smp8734-ethernet";
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reg = <0x26000 0x800>;
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interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clkgen SYS_CLK>;
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};
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intc: interrupt-controller@6e000 {
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compatible = "sigma,smp8642-intc";
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reg = <0x6e000 0x400>;
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ranges = <0 0x6e000 0x400>;
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interrupt-parent = <&gic>;
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interrupt-controller;
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#address-cells = <1>;
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#size-cells = <1>;
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irq0: irq0@000 {
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reg = <0x000 0x100>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
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};
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irq1: irq1@100 {
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reg = <0x100 0x100>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
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};
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irq2: irq2@300 {
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reg = <0x300 0x100>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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};
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};
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