Add binding for MStar interrupt controller. Signed-off-by: Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx> --- .../interrupt-controller/mstar,mst-intc.yaml | 82 +++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mstar,mst-intc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/mstar,mst-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/mstar,mst-intc.yaml new file mode 100644 index 000000000000..6e383315e529 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/mstar,mst-intc.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/mstar,mst-intc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar Interrupt Controller + +maintainers: + - Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx> + +description: |+ + MStar, SigmaStar and Mediatek DTV SoCs contain multiple legacy + interrupt controllers that routes interrupts to the GIC. + + The HW block exposes a number of interrupt controllers, each + can support up to 64 interrupts. + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + compatible: + items: + - const: mstar,mst-intc + - enum: + - mediatek,mt58xx-intc + + interrupt-controller: true + + "#address-cells": + enum: [ 0, 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + "#interrupt-cells": + const: 3 + description: | + Use the same format as specified by GIC in arm,gic.yaml. + + reg: + description: | + Physical base address of the mstar interrupt controller + registers and length of memory mapped region. + minItems: 1 + + mstar,irqs-map-range: + description: | + The range of parent interrupt controller's interrupt lines + that are hardwired to mstar interrupt controller. + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + minItems: 2 + maxItems: 2 + + mstar,intc-no-eoi: + description: | + Mark this controller has no End Of Interrupt(EOI) implementation. + This is a empty, boolean property. + type: boolean + +required: + - compatible + - reg + - mstar,irqs-map-range + +additionalProperties: false + +examples: + - | + mst_intc0: interrupt-controller@1f2032d0 { + compatible = "mstar,mst-intc", "mediatek,mt58xx-intc"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + reg = <0x1f2032d0 0x30>; + mstar,irqs-map-range = <0 63>; + }; +... -- 2.18.0
