From: Yann Sionneau <ysionneau@xxxxxxxxxxxxx> Add binding for Kalray Coolidge Interrupt Generator. Co-developed-by: Jules Maselbas <jmaselbas@xxxxxxxx> Signed-off-by: Jules Maselbas <jmaselbas@xxxxxxxx> Signed-off-by: Yann Sionneau <ysionneau@xxxxxxxxxxxxx> --- Notes: V2 -> V3: Fixed bindings to adhere to dt-schema --- .../kalray,coolidge-itgen.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml b/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml new file mode 100644 index 0000000000000..222cacb5cbea4 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/kalray,coolidge-itgen.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kalray Coolidge SoC Interrupt Generator (ITGEN) + +maintainers: + - Jonathan Borne <jborne@xxxxxxxxxxxxx> + - Julian Vetter <jvetter@xxxxxxxxxxxxx> + - Yann Sionneau <ysionneau@xxxxxxxxxxxxx> + +description: | + The Interrupt Generator (ITGEN) is an interrupt controller block. + It's purpose is to convert IRQ lines coming from SoC peripherals into writes + on the AXI bus. The ITGEN intended purpose is to write into the APIC mailboxes. + +properties: + compatible: + const: kalray,coolidge-itgen + + reg: + maxItems: 1 + + "#interrupt-cells": + const: 2 + description: | + - 1st cell is for the IRQ number + - 2nd cell is for the trigger type as defined dt-bindings/interrupt-controller/irq.h + + interrupt-controller: true + + msi-parent: true + +additionalProperties: false + +required: + - compatible + - reg + - "#interrupt-cells" + - interrupt-controller + - msi-parent + +examples: + - | + itgen: interrupt-controller@27000000 { + compatible = "kalray,coolidge-itgen"; + reg = <0 0x27000000 0 0x1104>; + #interrupt-cells = <2>; + interrupt-controller; + msi-parent = <&apic_mailbox>; + }; + +... -- 2.45.2
