On Tue, Mar 02, 2021 at 12:28:45PM +0200, Claudiu Beznea wrote: > Add DT bindings for Microchip External Interrupt Controller. > > Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx> > --- > .../interrupt-controller/mchp,eic.yaml | 74 +++++++++++++++++++ > 1 file changed, 74 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mchp,eic.yaml > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/mchp,eic.yaml b/Documentation/devicetree/bindings/interrupt-controller/mchp,eic.yaml > new file mode 100644 > index 000000000000..5a927817aa7d > --- /dev/null > +++ b/Documentation/devicetree/bindings/interrupt-controller/mchp,eic.yaml > @@ -0,0 +1,74 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/interrupt-controller/mchp,eic.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip External Interrupt Controller > + > +maintainers: > + - Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx> > + > +description: > + This interrupt controller is found in Microchip SoCs (SAMA7G5) and provides > + support for handling up to 2 external interrupt lines. > + > +properties: > + compatible: > + enum: > + - microchip,sama7g5-eic > + > + reg: > + maxItems: 1 > + > + interrupt-controller: true > + > + '#interrupt-cells': > + const: 3 > + description: > + The first cell is the input IRQ number (between 0 and 1), the second cell > + is the trigger type as defined in interrupt.txt present in this directory > + and the third cell is the glitch filter (1, 2, 4, 8) in clock cycles > + > + 'interrupts': Don't need quotes here. > + description: | > + Contains the GIC SPI IRQs mapped to the external interrupt lines. They > + should be specified sequentially from output 0 to output 1. > + minItems: 2 > + maxItems: 2 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + const: pclk > + > +required: > + - compatible > + - reg > + - interrupt-controller > + - '#interrupt-cells' > + - 'interrupts' Or here. > + - clocks > + - clock-names > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/at91.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + eic: eic@e1628000 { interrupt-controller@... > + compatible = "microchip,sama7g5-eic"; > + reg = <0xe1628000 0x100>; > + interrupt-parent = <&gic>; > + interrupt-controller; > + #interrupt-cells = <3>; > + interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&pmc PMC_TYPE_PERIPHERAL 37>; > + clock-names = "pclk"; > + }; > + > +... > -- > 2.25.1 >