openwrt/target/linux/brcm63xx/dts/bcm6318.dtsi
Jonas Gorski dd7079e79a brcm63xx: implement gpio_to_irq for bcm63xx-gpio
Add support for mapping some GPIO lines to IRQs. GPIO to IRQ mappings
were found out through experimentation, helped by having the GPIO as
output still toggling the IRQ input.

Based-on: http://patchwork.ozlabs.org/patch/660534/
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
2017-02-09 14:30:43 +01:00

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/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6318";
aliases {
gpio0 = &gpio0;
gpio1 = &gpio1;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "brcm,bmips3300", "mips,mips4Kc";
device_type = "cpu";
reg = <0>;
};
};
cpu_intc: interrupt-controller {
#address-cells = <0>;
compatible = "mti,cpu-interrupt-controller";
interrupt-controller;
#interrupt-cells = <1>;
};
memory { device_type = "memory"; reg = <0 0>; };
ubus@10000000 {
#address-cells = <1>;
#size-cells = <1>;
ranges;
compatible = "simple-bus";
ext_intc: interrupt-controller@10000018 {
compatible = "brcm,bcm6318-ext-intc";
reg = <0x10000018 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&periph_intc>;
interrupts = <24>, <25>, <26>, <27>;
};
periph_intc: interrupt-controller@10000020 {
compatible = "brcm,bcm6345-l1-intc";
reg = <0x10000020 0x20>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&cpu_intc>;
interrupts = <2>;
};
gpio1: gpio-controller@10000080 {
compatible = "brcm,bcm6345-gpio";
reg = <0x10000080 4>, <0x10000088 4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <18>;
interrupt-parent = <&ext_intc>;
interrupts = <0 0>, <1 0>;
interrupt-names = "gpio1", "gpio2";
};
gpio0: gpio-controller@10000084 {
compatible = "brcm,bcm6345-gpio";
reg = <0x10000084 4>, <0x1000008c 4>;
gpio-controller;
#gpio-cells = <2>;
};
};
};