From d08b82c9e11e0997d2fb7dbf07a1f0c4112e587e Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Wed, 20 Jan 2016 18:07:16 +0000 Subject: [PATCH] devicetree: Add binding for Sigma Designs SMP86xx interrupt controller This adds a binding for the secondary interrupt controller in Sigma Designs SMP86xx and SMP87xx chips. Signed-off-by: Mans Rullgard [ jac: use 'interrupt-controller@XXX' notation in binding doc ] Acked-by: Rob Herring Link: https://lkml.kernel.org/r/1453313237-18570-1-git-send-email-mans@mansr.com Signed-off-by: Jason Cooper --- .../sigma,smp8642-intc.txt | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt new file mode 100644 index 000000000000..1f441fa0ad40 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt @@ -0,0 +1,49 @@ +Sigma Designs SMP86xx/SMP87xx secondary interrupt controller + +Required properties: +- compatible: should be "sigma,smp8642-intc" +- reg: physical address of MMIO region +- ranges: address space mapping of child nodes +- interrupt-parent: phandle of parent interrupt controller +- interrupt-controller: boolean +- #address-cells: should be <1> +- #size-cells: should be <1> + +One child node per control block with properties: +- reg: address of registers for this control block +- interrupt-controller: boolean +- #interrupt-cells: should be <2>, interrupt index and flags per interrupts.txt +- interrupts: interrupt spec of primary interrupt controller + +Example: + +interrupt-controller@6e000 { + compatible = "sigma,smp8642-intc"; + reg = <0x6e000 0x400>; + ranges = <0x0 0x6e000 0x400>; + interrupt-parent = <&gic>; + interrupt-controller; + #address-cells = <1>; + #size-cells = <1>; + + irq0: interrupt-controller@0 { + reg = <0x000 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + + irq1: interrupt-controller@100 { + reg = <0x100 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + + irq2: interrupt-controller@300 { + reg = <0x300 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; +}; -- 2.20.1