From 3fe5d5bd2dd92124f2a773c19fbc117e023a2ce3 Mon Sep 17 00:00:00 2001 From: Guo Ren Date: Tue, 18 Sep 2018 21:07:00 +0800 Subject: [PATCH] dt-bindings: interrupt-controller: C-SKY SMP intc Dt-bindings doc about C-SKY Multi-processors interrupt controller. Changelog: - Should be: '#interrupt-cells' not 'interrupt-cells' Signed-off-by: Guo Ren Reviewed-by: Rob Herring --- .../interrupt-controller/csky,mpintc.txt | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt new file mode 100644 index 000000000000..ab921f1698fb --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt @@ -0,0 +1,40 @@ +=========================================== +C-SKY Multi-processors Interrupt Controller +=========================================== + +C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860 +SMP soc, and it also could be used in non-SMP system. + +Interrupt number definition: + + 0-15 : software irq, and we use 15 as our IPI_IRQ. + 16-31 : private irq, and we use 16 as the co-processor timer. + 31-1024: common irq for soc ip. + +============================= +intc node bindings definition +============================= + + Description: Describes SMP interrupt controller + + PROPERTIES + + - compatible + Usage: required + Value type: + Definition: must be "csky,mpintc" + - #interrupt-cells + Usage: required + Value type: + Definition: must be <1> + - interrupt-controller: + Usage: required + +Examples: +--------- + + intc: interrupt-controller { + compatible = "csky,mpintc"; + #interrupt-cells = <1>; + interrupt-controller; + }; -- 2.30.2